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<!--Generated by DataTracks Rainbow version 3.0 for Toppan Merrill on 12-March-2022 [02:08:06] {AM}-->
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_esef_cor_NotesAccountingPoliciesAndMandatoryTags" xml:lang="fr">Espace réservé pour les notes annexes, les méthodes comptables et les éléments obligatoires de la taxonomie de base – cet élément DOIT être utilisé comme point de départ pour le balisage des informations à fournir dans les notes annexes aux états fin</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_esef_cor_NotesAccountingPoliciesAndMandatoryTags" xml:lang="en">Notes, accounting policies and mandatory tags – this item MUST be used as a starting point for markups of disclosures in the notes to the financial statements</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DomicileOfEntity" xml:lang="fr">Adresse de l'entité</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DomicileOfEntity" xml:lang="en">Domicile of entity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DomicileOfEntity" xlink:to="lab_ifrs-full_DomicileOfEntity" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AddressOfRegisteredOfficeOfEntity" xlink:label="loc_ifrs-full_AddressOfRegisteredOfficeOfEntity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AddressOfRegisteredOfficeOfEntity" xml:lang="fr">Adresse du siège social de l'entité</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AddressOfRegisteredOfficeOfEntity" xml:lang="en">Address of entity's registered office</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AddressOfRegisteredOfficeOfEntity" xlink:to="lab_ifrs-full_AddressOfRegisteredOfficeOfEntity" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CountryOfIncorporation" xlink:label="loc_ifrs-full_CountryOfIncorporation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CountryOfIncorporation" xml:lang="fr">Pays de constitution</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CountryOfIncorporation" xml:lang="en">Country of incorporation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CountryOfIncorporation" xlink:to="lab_ifrs-full_CountryOfIncorporation" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PrincipalPlaceOfBusiness" xlink:label="loc_ifrs-full_PrincipalPlaceOfBusiness" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PrincipalPlaceOfBusiness" xml:lang="fr">Établissement principal</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PrincipalPlaceOfBusiness" xml:lang="en">Principal place of business</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PrincipalPlaceOfBusiness" xlink:to="lab_ifrs-full_PrincipalPlaceOfBusiness" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification" xlink:label="loc_ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification" xml:lang="fr">Nom ou tout autre mode d'identification de l'entité présentant les états financiers</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification" xml:lang="en">Name of reporting entity or other means of identification</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LegalFormOfEntity" xlink:label="loc_ifrs-full_LegalFormOfEntity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LegalFormOfEntity" xml:lang="fr">Forme juridique de l'entité</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LegalFormOfEntity" xml:lang="en">Legal form of entity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LegalFormOfEntity" xlink:to="lab_ifrs-full_LegalFormOfEntity" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xlink:label="loc_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xml:lang="fr">Description de la nature des opérations de l'entité et de ses principales activités</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xml:lang="en">Description of nature of entity's operations and principal activities</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfFinancialPositionAbstract" xlink:label="loc_ifrs-full_StatementOfFinancialPositionAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xml:lang="fr">État de la situation financière [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xml:lang="en">Statement of financial position placeholder - this item MUST be used as a starting point for the statement of financial position</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="lab_ifrs-full_StatementOfFinancialPositionAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilitiesAbstract" xlink:label="loc_ifrs-full_EquityAndLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EquityAndLiabilitiesAbstract" xml:lang="fr">Capitaux propres et passifs [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAndLiabilitiesAbstract" xlink:to="lab_ifrs-full_EquityAndLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAbstract" xlink:label="loc_ifrs-full_EquityAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EquityAbstract" xml:lang="fr">Capitaux propres [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="lab_ifrs-full_EquityAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xlink:label="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xml:lang="fr">Réserve des écarts de change résultant de la conversion</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xlink:to="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslation" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Equity" xlink:label="loc_ifrs-full_Equity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Equity" xml:lang="fr">Capitaux propres</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_Equity" xml:lang="fr">Capitaux propres</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_Equity" xml:lang="fr">Capitaux propres en fin de période</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_Equity" xml:lang="fr">Capitaux propres en début de période</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Equity" xlink:to="lab_ifrs-full_Equity" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_RetainedEarningsProfitLossForReportingPeriod" xlink:label="loc_iva_RetainedEarningsProfitLossForReportingPeriod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_RetainedEarningsProfitLossForReportingPeriod" xml:lang="fr">Résultat non distribués, profit (perte) pour la période de reporting</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_RetainedEarningsProfitLossForReportingPeriod" xml:lang="en">Retained Earnings Profit Loss For Reporting Period</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_RetainedEarningsProfitLossForReportingPeriod" xlink:to="lab_iva_RetainedEarningsProfitLossForReportingPeriod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_RetainedEarningsProfitLossForReportingPeriod" xml:lang="fr">Résultat de la période.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_RetainedEarningsProfitLossForReportingPeriod" xml:lang="en">A component of equity representing the entity's cumulative undistributed earnings or deficit.</label>
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares" xlink:label="loc_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares" xml:lang="fr">Réserves</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares" xml:lang="en">Retained Earnings Excluding Profit Loss For Reporting Period And Treasury Shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares" xlink:to="lab_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares" xml:lang="fr">Réserves.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares" xml:lang="en">A component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings]</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SharePremium" xlink:label="loc_ifrs-full_SharePremium" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SharePremium" xml:lang="fr">Prime d'émission</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SharePremium" xlink:to="lab_ifrs-full_SharePremium" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssuedCapital" xlink:label="loc_ifrs-full_IssuedCapital" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IssuedCapital" xml:lang="fr">Capital émis</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapital" xlink:to="lab_ifrs-full_IssuedCapital" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="loc_ifrs-full_EquityAndLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EquityAndLiabilities" xml:lang="fr">Capitaux propres et passifs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_EquityAndLiabilities" xml:lang="fr">Total passif et capitaux propres</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAndLiabilities" xlink:to="lab_ifrs-full_EquityAndLiabilities" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LiabilitiesAbstract" xlink:label="loc_ifrs-full_LiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xml:lang="fr">Passifs [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesAbstract" xlink:to="lab_ifrs-full_LiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentLiabilitiesAbstract" xlink:label="loc_ifrs-full_NoncurrentLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xml:lang="fr">Passifs non courants [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_NoncurrentLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LongtermBorrowings" xlink:label="loc_ifrs-full_LongtermBorrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LongtermBorrowings" xml:lang="fr">Partie non courante d'emprunts non courants</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermBorrowings" xlink:to="lab_ifrs-full_LongtermBorrowings" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherLongtermProvisions" xlink:label="loc_ifrs-full_OtherLongtermProvisions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherLongtermProvisions" xml:lang="fr">Autres provisions non courantes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherLongtermProvisions" xlink:to="lab_ifrs-full_OtherLongtermProvisions" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:label="loc_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xml:lang="fr">Provisions non courantes au titre des avantages du personnel</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:to="lab_ifrs-full_NoncurrentProvisionsForEmployeeBenefits" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="loc_ifrs-full_NoncurrentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xml:lang="fr">Passifs non courants</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xml:lang="fr">Passifs non courants</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLiabilities" xlink:to="lab_ifrs-full_NoncurrentLiabilities" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentLiabilitiesAbstract" xlink:label="loc_ifrs-full_CurrentLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xml:lang="fr">Passifs courants [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_CurrentLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentProvisions" xlink:label="loc_ifrs-full_CurrentProvisions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentProvisions" xml:lang="fr">Provisions courantes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentProvisions" xlink:to="lab_ifrs-full_CurrentProvisions" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xml:lang="fr">Dettes fournisseurs courantes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:to="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentLiabilities" xlink:label="loc_ifrs-full_CurrentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentLiabilities" xml:lang="fr">Passifs courants</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CurrentLiabilities" xml:lang="fr">Passifs courants</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilities" xlink:to="lab_ifrs-full_CurrentLiabilities" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:label="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xml:lang="fr">Emprunts courants et partie courante d'emprunts non courants</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:to="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherCurrentLiabilities" xlink:label="loc_ifrs-full_OtherCurrentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherCurrentLiabilities" xml:lang="fr">Autres passifs courants</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentLiabilities" xlink:to="lab_ifrs-full_OtherCurrentLiabilities" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AssetsAbstract" xlink:label="loc_ifrs-full_AssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AssetsAbstract" xml:lang="fr">Actifs [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAbstract" xlink:to="lab_ifrs-full_AssetsAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="loc_ifrs-full_Assets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Assets" xml:lang="fr">Actifs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_Assets" xml:lang="fr">Actifs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Assets" xlink:to="lab_ifrs-full_Assets" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentAssetsAbstract" xlink:label="loc_ifrs-full_NoncurrentAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentAssetsAbstract" xml:lang="fr">Actifs non courants [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:to="lab_ifrs-full_NoncurrentAssetsAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xml:lang="fr">Immobilisations incorporelles autres que le goodwill</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="loc_ifrs-full_PropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xml:lang="fr">Immobilisations corporelles</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="lab_ifrs-full_PropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherNoncurrentAssets" xlink:label="loc_ifrs-full_OtherNoncurrentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherNoncurrentAssets" xml:lang="fr">Autres actifs non courants</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentAssets" xlink:to="lab_ifrs-full_OtherNoncurrentAssets" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentAssets" xlink:label="loc_ifrs-full_NoncurrentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentAssets" xml:lang="fr">Actifs non courants</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_NoncurrentAssets" xml:lang="fr">Actifs non courants</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssets" xlink:to="lab_ifrs-full_NoncurrentAssets" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentAssetsAbstract" xlink:label="loc_ifrs-full_CurrentAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xml:lang="fr">Actifs courants [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssetsAbstract" xlink:to="lab_ifrs-full_CurrentAssetsAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="loc_ifrs-full_CashAndCashEquivalents" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xml:lang="fr">Trésorerie et équivalents de trésorerie</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xml:lang="en">Cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xml:lang="fr">Trésorerie et équivalents de trésorerie</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xml:lang="fr">Trésorerie et équivalents de trésorerie</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xml:lang="en">Cash and cash equivalents</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalents" xlink:to="lab_ifrs-full_CashAndCashEquivalents" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentAssets" xlink:label="loc_ifrs-full_CurrentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentAssets" xml:lang="fr">Actifs courants</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CurrentAssets" xml:lang="fr">Actifs courants</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssets" xlink:to="lab_ifrs-full_CurrentAssets" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherCurrentAssets" xlink:label="loc_ifrs-full_OtherCurrentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherCurrentAssets" xml:lang="fr">Autres actifs courants</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentAssets" xlink:to="lab_ifrs-full_OtherCurrentAssets" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_CurrentTaxCreditReceivables" xlink:label="loc_iva_CurrentTaxCreditReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_CurrentTaxCreditReceivables" xml:lang="fr">Créances d'impôt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_CurrentTaxCreditReceivables" xml:lang="en">Current Tax Credit Receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_CurrentTaxCreditReceivables" xlink:to="lab_iva_CurrentTaxCreditReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_CurrentTaxCreditReceivables" xml:lang="fr">Créances d'impôt.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_CurrentTaxCreditReceivables" xml:lang="en">The amount of current receivables from taxes other than income tax. [Refer: Receivables from taxes other than income tax]</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Inventories" xlink:label="loc_ifrs-full_Inventories" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Inventories" xml:lang="fr">Stocks courants</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Inventories" xlink:to="lab_ifrs-full_Inventories" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentTradeReceivables" xlink:label="loc_ifrs-full_CurrentTradeReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentTradeReceivables" xml:lang="fr">Créances clients courantes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTradeReceivables" xlink:to="lab_ifrs-full_CurrentTradeReceivables" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeStatementAbstract" xlink:label="loc_ifrs-full_IncomeStatementAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xml:lang="fr">Résultat [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xml:lang="en">Profit or loss placeholder - this item MUST be used as a starting point for the statement of profit or loss if the statement of profit or loss is disclosed separately</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeStatementAbstract" xlink:to="lab_ifrs-full_IncomeStatementAbstract" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_RevenueAndOperatingIncomeAbstract" xlink:label="loc_iva_RevenueAndOperatingIncomeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_RevenueAndOperatingIncomeAbstract" xml:lang="fr">Revenus et autres produits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_RevenueAndOperatingIncomeAbstract" xml:lang="en">Revenue And Operating Income Abstract</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_iva_RevenueAndOperatingIncomeAbstract" xml:lang="fr">Revenus et autres produits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_iva_RevenueAndOperatingIncomeAbstract" xml:lang="en">Revenues and other income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_RevenueAndOperatingIncomeAbstract" xlink:to="lab_iva_RevenueAndOperatingIncomeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_RevenueAndOperatingIncomeAbstract" xml:lang="fr">N/A.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_RevenueAndOperatingIncomeAbstract" xml:lang="en">No definition available.</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinanceIncome" xlink:label="loc_ifrs-full_FinanceIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinanceIncome" xml:lang="fr">Produits financiers</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceIncome" xlink:to="lab_ifrs-full_FinanceIncome" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossFromOperatingActivities" xlink:label="loc_ifrs-full_ProfitLossFromOperatingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xml:lang="fr">Profits (pertes) d'activités opérationnelles</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xml:lang="fr">Profits (pertes) d'activités opérationnelles</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossFromOperatingActivities" xlink:to="lab_ifrs-full_ProfitLossFromOperatingActivities" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SalesAndMarketingExpense" xlink:label="loc_ifrs-full_SalesAndMarketingExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SalesAndMarketingExpense" xml:lang="fr">Dépenses liées à la vente et à la commercialisation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_SalesAndMarketingExpense" xml:lang="fr">Dépenses liées à la vente et à la commercialisation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SalesAndMarketingExpense" xlink:to="lab_ifrs-full_SalesAndMarketingExpense" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="loc_ifrs-full_ProfitLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProfitLoss" xml:lang="fr">Résultat</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProfitLoss" xml:lang="en">Profit (loss)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_ProfitLoss" xml:lang="fr">Résultat</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_ProfitLoss" xml:lang="en">Profit (loss)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLoss" xlink:to="lab_ifrs-full_ProfitLoss" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ResearchAndDevelopmentExpense" xlink:label="loc_ifrs-full_ResearchAndDevelopmentExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xml:lang="fr">Dépenses de recherche et développement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xml:lang="fr">Dépenses de recherche et développement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ResearchAndDevelopmentExpense" xlink:to="lab_ifrs-full_ResearchAndDevelopmentExpense" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinanceCosts" xlink:label="loc_ifrs-full_FinanceCosts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinanceCosts" xml:lang="fr">Charges financières</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_FinanceCosts" xml:lang="fr">Charges financières</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceCosts" xlink:to="lab_ifrs-full_FinanceCosts" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BasicAndDilutedEarningsLossPerShare" xlink:label="loc_ifrs-full_BasicAndDilutedEarningsLossPerShare" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BasicAndDilutedEarningsLossPerShare" xml:lang="fr">Résultat (perte) de base et dilué par action</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BasicAndDilutedEarningsLossPerShare" xml:lang="en">Basic and diluted earnings (loss) per share</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicAndDilutedEarningsLossPerShare" xlink:to="lab_ifrs-full_BasicAndDilutedEarningsLossPerShare" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinanceIncomeCost" xlink:label="loc_ifrs-full_FinanceIncomeCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinanceIncomeCost" xml:lang="fr">Produits financiers (charges financières)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_FinanceIncomeCost" xml:lang="fr">Produits financiers (charges financières)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceIncomeCost" xlink:to="lab_ifrs-full_FinanceIncomeCost" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xml:lang="fr">Charge (produit) d'impôt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xml:lang="fr">Charge (produit) d'impôt</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GeneralAndAdministrativeExpense" xlink:label="loc_ifrs-full_GeneralAndAdministrativeExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xml:lang="fr">Frais généraux et administratifs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xml:lang="fr">Frais généraux et administratifs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:to="lab_ifrs-full_GeneralAndAdministrativeExpense" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_OtherOperatingIncomeExpenseFromNonOrdinaryActivities" xlink:label="loc_iva_OtherOperatingIncomeExpenseFromNonOrdinaryActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_OtherOperatingIncomeExpenseFromNonOrdinaryActivities" xml:lang="fr">Autres produits (charges) opérationnels non ordinaires</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_OtherOperatingIncomeExpenseFromNonOrdinaryActivities" xml:lang="en">Other Operating Income Expense From Non Ordinary Activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_OtherOperatingIncomeExpenseFromNonOrdinaryActivities" xlink:to="lab_iva_OtherOperatingIncomeExpenseFromNonOrdinaryActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_OtherOperatingIncomeExpenseFromNonOrdinaryActivities" xml:lang="fr">Autres produits (charges) opérationnels.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_OtherOperatingIncomeExpenseFromNonOrdinaryActivities" xml:lang="en">The amount of operating income (expense) that the entity does not separately disclose in the same statement or note.</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustedWeightedAverageShares" xlink:label="loc_ifrs-full_AdjustedWeightedAverageShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xml:lang="fr">Nombre moyen pondéré ajusté d'actions ordinaires en circulation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:to="lab_ifrs-full_AdjustedWeightedAverageShares" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Revenue" xlink:label="loc_ifrs-full_Revenue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Revenue" xml:lang="fr">Produits des activités ordinaires</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Revenue" xlink:to="lab_ifrs-full_Revenue" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_OtherIncomeFromOrdinaryActivity" xlink:label="loc_iva_OtherIncomeFromOrdinaryActivity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_OtherIncomeFromOrdinaryActivity" xml:lang="fr">Autres produits d'exploitation ordinaires</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_OtherIncomeFromOrdinaryActivity" xml:lang="en">Other Income From Ordinary Activity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_OtherIncomeFromOrdinaryActivity" xlink:to="lab_iva_OtherIncomeFromOrdinaryActivity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_OtherIncomeFromOrdinaryActivity" xml:lang="fr">Autres produits d'exploitation.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_OtherIncomeFromOrdinaryActivity" xml:lang="en">The amount of operating income that the entity does not separately disclose in the same statement or note.</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:label="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xml:lang="fr">État du résultat global [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xml:lang="en">Statement of comprehensive income placeholder - this item MUST be used as a starting point for the statement of comprehensive income if it is disclosed separately or when the statement of profit or loss and other comprehensive income statements are c</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xml:lang="fr">Autres éléments du résultat global qui ne seront pas reclassés en résultat net, nets d'impôt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xml:lang="fr">Autres éléments du résultat global qui ne seront pas reclassés en résultat net, nets d'impôt</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:label="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" xml:lang="fr">Profits (pertes) sur les écarts de change résultant de la conversion, nets d'impôt</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:to="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xml:lang="fr">Autres éléments du résultat global qui seront reclassés en résultat net, nets d'impôt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xml:lang="fr">Autres éléments du résultat global qui seront reclassés en résultat net, nets d'impôt</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xml:lang="fr">Autres éléments du résultat global, nets d'impôt, profits (pertes) résultant de réévaluations au titre des régimes à prestations définies</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncome" xlink:label="loc_ifrs-full_ComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ComprehensiveIncome" xml:lang="fr">Résultat global</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_ComprehensiveIncome" xml:lang="fr">Résultat global</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="lab_ifrs-full_ComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfCashFlowsAbstract" xlink:label="loc_ifrs-full_StatementOfCashFlowsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) d'activités de financement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="lab_ifrs-full_StatementOfCashFlowsAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) des activités opérationnelles [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xml:lang="en">Cash flows from (used in) operating activities [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) des activités opérationnelles</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) des activités opérationnelles</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:label="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xml:lang="fr">Ajustements permettant le rapprochement du résultat [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xml:lang="fr">Ajustements permettant le rapprochement du résultat [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:to="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_AdjustmentsForTaxCredits" xlink:label="loc_iva_AdjustmentsForTaxCredits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_AdjustmentsForTaxCredits" xml:lang="fr">Ajustements pour crédits d'impôts</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_AdjustmentsForTaxCredits" xml:lang="en">Adjustments For Tax Credits</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_AdjustmentsForTaxCredits" xlink:to="lab_iva_AdjustmentsForTaxCredits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_AdjustmentsForTaxCredits" xml:lang="fr">Ajustements du crédit d'impôt afin de réconcilier le bénéfice (perte) avec le flux de trésorerie net provenant des activités opérationnelles.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_AdjustmentsForTaxCredits" xml:lang="en">Adjustments for tax credit to reconcile profit (loss) to net cash flow from (used in) operating activities.</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xml:lang="fr">Ajustements pour diminution (augmentation) des stocks</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xml:lang="en">Adjustments for decrease (increase) in inventories</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_TaxCreditReceived" xlink:label="loc_iva_TaxCreditReceived" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_TaxCreditReceived" xml:lang="fr">Crédit d'impôt reçu</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_TaxCreditReceived" xml:lang="en">Tax Credit Received</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_iva_TaxCreditReceived" xml:lang="fr">Crédit d'impôt reçu</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_iva_TaxCreditReceived" xml:lang="en">Tax Credit Received</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_TaxCreditReceived" xlink:to="lab_iva_TaxCreditReceived" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_TaxCreditReceived" xml:lang="fr">Crédit d'impôt reçu.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_TaxCreditReceived" xml:lang="en">The cash flows from income taxes paid or refunded, classified as operating activities. [Refer: Income taxes paid (refund)]</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherAdjustmentsForNoncashItems" xlink:label="loc_ifrs-full_OtherAdjustmentsForNoncashItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherAdjustmentsForNoncashItems" xml:lang="fr">Autres ajustements au titre d'éléments sans effet de trésorerie</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:to="lab_ifrs-full_OtherAdjustmentsForNoncashItems" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_AdjustmentsForDepreciationAmortisationAndProvisions" xlink:label="loc_iva_AdjustmentsForDepreciationAmortisationAndProvisions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_AdjustmentsForDepreciationAmortisationAndProvisions" xml:lang="fr">Ajustements pour Dépréciations, amortissements et provisions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_AdjustmentsForDepreciationAmortisationAndProvisions" xml:lang="en">Adjustments For Depreciation Amortisation And Provisions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_AdjustmentsForDepreciationAmortisationAndProvisions" xlink:to="lab_iva_AdjustmentsForDepreciationAmortisationAndProvisions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_AdjustmentsForDepreciationAmortisationAndProvisions" xml:lang="fr">Ajustements du crédit d'impôt afin de réconcilier le bénéfice (perte) avec le flux de trésorerie net provenant des activités opérationnelles.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_AdjustmentsForDepreciationAmortisationAndProvisions" xml:lang="en">Adjustments for depreciation, amortisation expense and provisions to reconcile profit (loss) to net cash flow from (used in) operating activities.</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:label="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xml:lang="fr">Augmentation (diminution) du fonds de roulement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xml:lang="fr">Augmentation (diminution) du fonds de roulement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:to="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForFairValueGainsLosses" xlink:label="loc_ifrs-full_AdjustmentsForFairValueGainsLosses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForFairValueGainsLosses" xml:lang="fr">Ajustements pour pertes (profits) à la juste valeur</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForFairValueGainsLosses" xlink:to="lab_ifrs-full_AdjustmentsForFairValueGainsLosses" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) des activités avant variations du fonds de roulement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xml:lang="fr">Ajustements permettant le rapprochement du résultat autres que des variations du fonds de roulement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xlink:label="loc_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xml:lang="fr">Autres entrées (sorties) de trésorerie, classées dans les activités opérationnelles</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xml:lang="en">Other inflows (outflows) of cash, classified as operating activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xml:lang="fr">Ajustements pour diminution (augmentation) de clients et autres débiteurs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xml:lang="fr">Ajustements pour augmentation (diminution) de fournisseurs et autres créditeurs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_AdjustmentsForCalculatedInterest" xlink:label="loc_iva_AdjustmentsForCalculatedInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_AdjustmentsForCalculatedInterest" xml:lang="fr">Coût De l'endettement Financier Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_AdjustmentsForCalculatedInterest" xml:lang="en">Adjustments For Calculated Interest</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_AdjustmentsForCalculatedInterest" xlink:to="lab_iva_AdjustmentsForCalculatedInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_AdjustmentsForCalculatedInterest" xml:lang="fr">Adjustments for calculated interest.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_AdjustmentsForCalculatedInterest" xml:lang="en">Coût de l'endettement financier net.</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForSharebasedPayments" xlink:label="loc_ifrs-full_AdjustmentsForSharebasedPayments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForSharebasedPayments" xml:lang="fr">Ajustements pour paiements fondés sur des actions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForSharebasedPayments" xlink:to="lab_ifrs-full_AdjustmentsForSharebasedPayments" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:label="loc_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xml:lang="fr">Ajustements pour pertes et gains de change latents</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:to="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:label="loc_ifrs-full_AdjustmentsForIncomeTaxExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForIncomeTaxExpense" xml:lang="fr">Ajustements pour charge d'impôt sur le résultat</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:to="lab_ifrs-full_AdjustmentsForIncomeTaxExpense" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) d'activités d'investissement [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) d'activités d'investissement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) d'activités d'investissement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" xml:lang="fr">Autres entrées (sorties) de trésorerie, classées dans les activités d'investissement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xlink:label="loc_iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xml:lang="fr">Acquisition d'immobilisations corporelles et incorporelles</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xml:lang="en">Purchase Of Property Plant And Equipment And Intangible Assets Classified As Investing Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xml:lang="fr">Acquisition d'immobilisations corporelles et incorporelles</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xml:lang="en">Purchase Of Property Plant And Equipment And Intangible Assets Classified As Investing Activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xlink:to="lab_iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xml:lang="fr">Sortie de trésorerie liée à l'acquisition d'immobilisations corporelles et d'actifs incorporels classés en activités d'investissement.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xml:lang="en">Purchase Of Property Plant And Equipment And Intangile Assets Classified As Investing Activities.</label>
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_ProceedsFromDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssetsOtherThanGoodwill" xlink:label="loc_iva_ProceedsFromDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssetsOtherThanGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_ProceedsFromDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssetsOtherThanGoodwill" xml:lang="fr">Cessions d'immobilisations corporelles et incorporelles</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_ProceedsFromDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssetsOtherThanGoodwill" xml:lang="en">Proceeds From Disposals Of Property Plant And Equipment And Intangible Assets Other Than Goodwill</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_ProceedsFromDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssetsOtherThanGoodwill" xlink:to="lab_iva_ProceedsFromDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssetsOtherThanGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_ProceedsFromDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssetsOtherThanGoodwill" xml:lang="fr">Gain de trésorerie provenant de la vente d'immobilisations corporelles et d'actifs incorporels.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_ProceedsFromDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssetsOtherThanGoodwill" xml:lang="en">The cash inflow from sale of property, plant and equipment and intangible assets.</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:label="loc_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xml:lang="fr">Flux de trésorerie provenant de (utilisés dans) la diminution (l'augmentation) des dépôts et placements à court terme</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xml:lang="en">Cash flows from (used in) decrease (increase) in short-term deposits and investments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:to="lab_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) d'activités de financement [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xml:lang="fr">Paiements de passifs au titre de contrats de location, classés dans les activités de financement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xml:lang="fr">Paiements de passifs au titre de contrats de location, classés dans les activités de financement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) d'activités de financement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xml:lang="fr">Flux nets de trésorerie liés aux opérations de financement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromIssuingShares" xlink:label="loc_ifrs-full_ProceedsFromIssuingShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProceedsFromIssuingShares" xml:lang="fr">Produits de l'émission d'actions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromIssuingShares" xlink:to="lab_ifrs-full_ProceedsFromIssuingShares" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xml:lang="fr">Remboursements d'emprunts, classés dans les activités de financement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xml:lang="fr">Remboursements d'emprunts, classés dans les activités de financement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xml:lang="fr">Produits d'emprunts, classés dans les activités de financement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xml:lang="en">Proceeds from borrowings, classified as financing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xml:lang="fr">Augmentation (diminution) de la trésorerie et des équivalents de trésorerie avant effet des variations des taux de change</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xml:lang="fr">Augmentation (diminution) de la trésorerie et des équivalents de trésorerie avant effet des variations des taux de change</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xml:lang="fr">Effet des variations des taux de change sur la trésorerie et les équivalents de trésorerie</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:to="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_ShareSubscriptionPremiums" xlink:label="loc_iva_ShareSubscriptionPremiums" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_ShareSubscriptionPremiums" xml:lang="fr">Prime de souscription d'actions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_ShareSubscriptionPremiums" xml:lang="en">Share Subscription Premiums</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_ShareSubscriptionPremiums" xlink:to="lab_iva_ShareSubscriptionPremiums" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_ShareSubscriptionPremiums" xml:lang="fr">partager les primes d'abonnement.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_ShareSubscriptionPremiums" xml:lang="en">Share subscription premiums.</label>
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_DecreaseInAbbotReceivable" xlink:label="loc_iva_DecreaseInAbbotReceivable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_DecreaseInAbbotReceivable" xml:lang="fr">Diminution de la créance Abbott</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_DecreaseInAbbotReceivable" xml:lang="en">Decrease In Abbot Receivable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_DecreaseInAbbotReceivable" xlink:to="lab_iva_DecreaseInAbbotReceivable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_DecreaseInAbbotReceivable" xml:lang="fr">Diminution de la créance Abbott.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_DecreaseInAbbotReceivable" xml:lang="en">Decrease in abbot receivable.</label>
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_AdjustmentsForDecreaseIncreaseInPrepaidExpensesReceivables" xlink:label="loc_iva_AdjustmentsForDecreaseIncreaseInPrepaidExpensesReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_AdjustmentsForDecreaseIncreaseInPrepaidExpensesReceivables" xml:lang="fr">Ajustements pour diminution (augmentation) des charges constatées d'avances</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_AdjustmentsForDecreaseIncreaseInPrepaidExpensesReceivables" xml:lang="en">Adjustments For Decrease Increase In Prepaid Expenses Receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_AdjustmentsForDecreaseIncreaseInPrepaidExpensesReceivables" xlink:to="lab_iva_AdjustmentsForDecreaseIncreaseInPrepaidExpensesReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_AdjustmentsForDecreaseIncreaseInPrepaidExpensesReceivables" xml:lang="fr">Ajustements pour diminution (augmentation) des charges constatées d'avances.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_AdjustmentsForDecreaseIncreaseInPrepaidExpensesReceivables" xml:lang="en">Adjustments for decrease (increase) in prepaid expenses receivables.</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfChangesInEquityAbstract" xlink:label="loc_ifrs-full_StatementOfChangesInEquityAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xml:lang="fr">État des variations des capitaux propres [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xml:lang="en">Statement of changes in equity placeholder - this item MUST be used as a starting point for the statement of changes in equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="lab_ifrs-full_StatementOfChangesInEquityAbstract" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfChangesInEquityTable" xlink:label="loc_ifrs-full_StatementOfChangesInEquityTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xml:lang="fr">État des variations des capitaux propres [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xml:lang="en">Statement of changes in equity [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:to="lab_ifrs-full_StatementOfChangesInEquityTable" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComponentsOfEquityAxis" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xml:lang="fr">Composantes de capitaux propres [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xml:lang="en">Components of equity [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="lab_ifrs-full_ComponentsOfEquityAxis" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityMember" xlink:label="loc_ifrs-full_EquityMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EquityMember" xml:lang="fr">Capitaux propres [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EquityMember" xml:lang="en">Equity [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityMember" xlink:to="lab_ifrs-full_EquityMember" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:label="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xml:lang="fr">Réserve des écarts de change résultant de la conversion [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:to="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssuedCapitalMember" xlink:label="loc_ifrs-full_IssuedCapitalMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IssuedCapitalMember" xml:lang="fr">Capital émis [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapitalMember" xlink:to="lab_ifrs-full_IssuedCapitalMember" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SharePremiumMember" xlink:label="loc_ifrs-full_SharePremiumMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SharePremiumMember" xml:lang="fr">Prime d'émission [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SharePremiumMember" xlink:to="lab_ifrs-full_SharePremiumMember" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RetainedEarningsMember" xlink:label="loc_ifrs-full_RetainedEarningsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RetainedEarningsMember" xml:lang="fr">Résultats non distribués [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RetainedEarningsMember" xml:lang="en">Retained earnings [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarningsMember" xlink:to="lab_ifrs-full_RetainedEarningsMember" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_RetainedEarningsProfitLossForReportingPeriodMember" xlink:label="loc_iva_RetainedEarningsProfitLossForReportingPeriodMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_RetainedEarningsProfitLossForReportingPeriodMember" xml:lang="fr">Résultat net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_RetainedEarningsProfitLossForReportingPeriodMember" xml:lang="en">Retained Earnings Profit Loss For Reporting Period [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_RetainedEarningsProfitLossForReportingPeriodMember" xlink:to="lab_iva_RetainedEarningsProfitLossForReportingPeriodMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_RetainedEarningsProfitLossForReportingPeriodMember" xml:lang="fr">Résultat net.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_RetainedEarningsProfitLossForReportingPeriodMember" xml:lang="en">Retained earnings profit loss for reporting period.</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xml:lang="fr">Capitaux propres attribuables aux propriétaires de la société mère [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xml:lang="en">Equity attributable to owners of parent [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasurySharesMember" xlink:label="loc_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasurySharesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasurySharesMember" xml:lang="fr">Réserves</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasurySharesMember" xml:lang="en">Retained Earnings Excluding Profit Loss For Reporting Period And Treasury Shares [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasurySharesMember" xlink:to="lab_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasurySharesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasurySharesMember" xml:lang="fr">Réserves.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasurySharesMember" xml:lang="en">Retained earnings excluding profit loss for reporting period and treasury shares.</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TreasurySharesMember" xlink:label="loc_ifrs-full_TreasurySharesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TreasurySharesMember" xml:lang="fr">Actions propres [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TreasurySharesMember" xlink:to="lab_ifrs-full_TreasurySharesMember" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfChangesInEquityLineItems" xlink:label="loc_ifrs-full_StatementOfChangesInEquityLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xml:lang="fr">État des variations des capitaux propres [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xml:lang="en">Statement of changes in equity [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="lab_ifrs-full_StatementOfChangesInEquityLineItems" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ShareIssueRelatedCost" xlink:label="loc_ifrs-full_ShareIssueRelatedCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ShareIssueRelatedCost" xml:lang="fr">Coût lié à l'émission d'actions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_ifrs-full_ShareIssueRelatedCost" xml:lang="fr">Coût lié à l'émission d'actions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareIssueRelatedCost" xlink:to="lab_ifrs-full_ShareIssueRelatedCost" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xml:lang="fr">Augmentation (diminution) par le biais de transactions dont le paiement est fondé sur des actions, capitaux propres</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xml:lang="fr">Augmentation (diminution) par l'exercice de bons de souscription d'actions, capitaux propres</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_IssueOfEquityExceptAsAResultOfShareBasedPaymentAndBeforeTransactionCosts" xlink:label="loc_iva_IssueOfEquityExceptAsAResultOfShareBasedPaymentAndBeforeTransactionCosts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_IssueOfEquityExceptAsAResultOfShareBasedPaymentAndBeforeTransactionCosts" xml:lang="fr">Emission d'actions ordinaires, exceptées les paiements en action et les coûts de transaction</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_iva_IssueOfEquityExceptAsAResultOfShareBasedPaymentAndBeforeTransactionCosts" xml:lang="en">Issue Of Equity Except As A Result Of Share Based Payment And Before Transaction Costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iva_IssueOfEquityExceptAsAResultOfShareBasedPaymentAndBeforeTransactionCosts" xlink:to="lab_iva_IssueOfEquityExceptAsAResultOfShareBasedPaymentAndBeforeTransactionCosts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_IssueOfEquityExceptAsAResultOfShareBasedPaymentAndBeforeTransactionCosts" xml:lang="fr">Emission d'actions ordinaires.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_iva_IssueOfEquityExceptAsAResultOfShareBasedPaymentAndBeforeTransactionCosts" xml:lang="en">The increase in equity through the issue of equity instruments.</label>
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xml:lang="fr">Augmentation (diminution) par le biais d'autres changements, capitaux propres</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" />
<loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssueOfEquity" xlink:label="loc_ifrs-full_IssueOfEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IssueOfEquity" xml:lang="fr">Émission de capitaux propres</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IssueOfEquity" xml:lang="en">Issue of equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssueOfEquity" xlink:to="lab_ifrs-full_IssueOfEquity" />
<loc xlink:type="locator" xlink:href="969500I9Y690B3FZW590-2021-12-31.xsd#iva_IncreaseThroughShareWarrantsSubscriptionPremium" xlink:label="loc_iva_IncreaseThroughShareWarrantsSubscriptionPremium" />
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