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  <xsd:element name="TradePayablesMember" id="iva_TradePayablesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherMiscellaneousPayablesMember" id="iva_OtherMiscellaneousPayablesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinancialIncomeAndExpensesTableTextBlock" id="iva_FinancialIncomeAndExpensesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ResearchAndDevelopmentMarketingTableTextBlock" id="iva_ResearchAndDevelopmentMarketingTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RevenueAndOtherIncomeTableTextBlock" id="iva_RevenueAndOtherIncomeTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CurrentTaxCreditResearchIncome" id="iva_CurrentTaxCreditResearchIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="SubsidiesIncome" id="iva_SubsidiesIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NewShareWarrantPlansBsa2019Member" id="iva_NewShareWarrantPlansBsa2019Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DavidNikodemMember" id="iva_DavidNikodemMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfProvisionRecordedInRespectOfDefinedBenefitSchemesAtEndOfEachReportingPeriodExplanatory" id="iva_DisclosureOfProvisionRecordedInRespectOfDefinedBenefitSchemesAtEndOfEachReportingPeriodExplanatory" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfChangesInProvisionRecordedInRespectOfDefinedBenefitSchemesExplanatory" id="iva_DisclosureOfChangesInProvisionRecordedInRespectOfDefinedBenefitSchemesExplanatory" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfExpensesRecognizedInStatementOfIncomeLossForRetirementBenefitObligationsExplanatory" id="iva_DisclosureOfExpensesRecognizedInStatementOfIncomeLossForRetirementBenefitObligationsExplanatory" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherOperatingIncomeExpenseTableTextBlock" id="iva_DisclosureOfOtherOperatingIncomeExpenseTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfChangesInBorrowingsTableTextBlock" id="iva_DisclosureOfChangesInBorrowingsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfTradePayablesAndOtherCurrentLiabilitiesTableTextBlock" id="iva_DisclosureOfTradePayablesAndOtherCurrentLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TradePayablesAndOtherCurrentLiabilities" id="iva_TradePayablesAndOtherCurrentLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LaterThanTwoMonthsMember" id="iva_LaterThanTwoMonthsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherAccruedTaxesAndEmployeeRelatedExpenses" id="iva_OtherAccruedTaxesAndEmployeeRelatedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RepaymentPeriodOfLoan" id="iva_RepaymentPeriodOfLoan" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeLineItems" id="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BspceAndBsaShareWarrantsMember" id="iva_BspceAndBsaShareWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BonusShareAwardPlansMember" id="iva_BonusShareAwardPlansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BsaShareWarrantsMember" id="iva_BsaShareWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BspcePlansMember" id="iva_BspcePlansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsClassOfWarrantOrRightOutstanding" id="iva_IfrsClassOfWarrantOrRightOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" id="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="IfrsClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" id="iva_IfrsClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="IfrsVestingAxis" id="iva_IfrsVestingAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsVestingDomain" id="iva_IfrsVestingDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BsaPlansMember" id="iva_BsaPlansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Bsa2017PlanMember" id="iva_Bsa2017PlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Bsa2018PlanMember" id="iva_Bsa2018PlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonCurrentLongTermDepositsFromCustomers" id="iva_NonCurrentLongTermDepositsFromCustomers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="PersonnelCostsAndHeadcount" id="iva_PersonnelCostsAndHeadcount" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AdjustmentsForDepreciationAmortisationAndProvisions" id="iva_AdjustmentsForDepreciationAmortisationAndProvisions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SalesTaxReceivableCurrent" id="iva_SalesTaxReceivableCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EmployeeRelatedPayables" id="iva_EmployeeRelatedPayables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="Disposables" id="iva_Disposables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EnergyAndLiquids" id="iva_EnergyAndLiquids" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="Patents" id="iva_Patents" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="Studies" id="iva_Studies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="Fees" id="iva_Fees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ItSystems" id="iva_ItSystems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SupportCosts" id="iva_SupportCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DepreciationAmortizationAndProvisions" id="iva_DepreciationAmortizationAndProvisions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="OtherOperatingExpenses" id="iva_OtherOperatingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DirectorsMember" id="iva_DirectorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ServiceProvidersMember" id="iva_ServiceProvidersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PayrollTaxes" id="iva_PayrollTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="NewShareWarrantPlansBsa2019BisMember" id="iva_NewShareWarrantPlansBsa2019BisMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NewShareWarrantPlansBsa2019TerMember" id="iva_NewShareWarrantPlansBsa2019TerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LiquidityAgreementTerm" id="iva_LiquidityAgreementTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinancingFromSyndicateOfFrenchBanksMember" id="iva_FinancingFromSyndicateOfFrenchBanksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BorrowingsMaximumExtensionTerm" id="iva_BorrowingsMaximumExtensionTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PledgeAxis" id="iva_PledgeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PledgeDomain" id="iva_PledgeDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShortTermDepositAccountsMember" id="iva_ShortTermDepositAccountsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueVariationGains" id="iva_FairValueVariationGains" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IfrsOtherOperatingIncome" id="iva_IfrsOtherOperatingIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AttributionOfExpensesByNatureToTheirsFunctionAxis" id="iva_AttributionOfExpensesByNatureToTheirsFunctionAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AttributionOfExpensesByNatureToTheirsFunctionDomain" id="iva_AttributionOfExpensesByNatureToTheirsFunctionDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FibroscanMachinesMember" id="iva_FibroscanMachinesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsBalanceSheetLocationAxis" id="iva_IfrsBalanceSheetLocationAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsBalanceSheetLocationDomain" id="iva_IfrsBalanceSheetLocationDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsIncomeStatementLocationAxis" id="iva_IfrsIncomeStatementLocationAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsIncomeStatementLocationDomain" id="iva_IfrsIncomeStatementLocationDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShortTermDepositAccountsCurrent" id="iva_ShortTermDepositAccountsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="CashUnderLiquidityAgreementCurrent" id="iva_CashUnderLiquidityAgreementCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="SubscriptionPremiumPricePerShareOfOtherEquityInstrumentsGranted" id="iva_SubscriptionPremiumPricePerShareOfOtherEquityInstrumentsGranted" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfAwardPlansAttributed" id="iva_NumberOfAwardPlansAttributed" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfSharesPerOtherEquityInstrumentGranted" id="iva_NumberOfSharesPerOtherEquityInstrumentGranted" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" id="iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="OperatingExpenseExcludingOtherOperatingIncomeExpense" id="iva_OperatingExpenseExcludingOtherOperatingIncomeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="NumberOfLoansObtainedGuaranteedByFrenchState" id="iva_NumberOfLoansObtainedGuaranteedByFrenchState" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LongTermSecurityDepositsMember" id="iva_LongTermSecurityDepositsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InventivaIncMember" id="iva_InventivaIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Bspce2021PlanMember" id="iva_Bspce2021PlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NewBsa2021ShareWarrantPlanMember" id="iva_NewBsa2021ShareWarrantPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightGranted" id="iva_ClassOfWarrantOrRightGranted" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WarrantsSubscriptionPrice" id="iva_WarrantsSubscriptionPrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ExpectedVolatility" id="iva_ExpectedVolatility" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NewBonusShareAwardPlanAga20211Member" id="iva_NewBonusShareAwardPlanAga20211Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NewBonusShareAwardPlanAga2021BisMember" id="iva_NewBonusShareAwardPlanAga2021BisMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ContractCroWithResearchAssociatesGroupeB.vMember" id="iva_ContractCroWithResearchAssociatesGroupeB.vMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommitmentsAmountPayableForServicesReceivedUnderContract" id="iva_CommitmentsAmountPayableForServicesReceivedUnderContract" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares" id="iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="OtherIncomeFromOrdinaryActivities" id="iva_OtherIncomeFromOrdinaryActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RetainedEarningsExcludingProfitLossFromCurrentReportingPeriodAndTreasurySharesMember" id="iva_RetainedEarningsExcludingProfitLossFromCurrentReportingPeriodAndTreasurySharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncreasesInPropertyPlantAndEquipment" id="iva_IncreasesInPropertyPlantAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="InventivaS.aMember" id="iva_InventivaS.aMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonCurrentAdvancesToSuppliers" id="iva_NonCurrentAdvancesToSuppliers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="AccruedPayrollAndOtherEmployeeRelatedTaxes" id="iva_AccruedPayrollAndOtherEmployeeRelatedTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="IfrsResearchAndDevelopmentExpenseMember" id="iva_IfrsResearchAndDevelopmentExpenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsSalesAndMarketingExpenseMember" id="iva_IfrsSalesAndMarketingExpenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsGeneralAndAdministrativeExpenseMember" id="iva_IfrsGeneralAndAdministrativeExpenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromSalesOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" id="iva_ProceedsFromSalesOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="TradePayableAndOtherCurrentLiabilitiesTable" id="iva_TradePayableAndOtherCurrentLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TradePayableAndOtherCurrentLiabilitiesLineItems" id="iva_TradePayableAndOtherCurrentLiabilitiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LicensingAndCollaborationAgreementWithCttqMember" id="iva_LicensingAndCollaborationAgreementWithCttqMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ContractCroWithPharmaceuticalResearchAssociatesB.vMember" id="iva_ContractCroWithPharmaceuticalResearchAssociatesB.vMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinanceContractWithEuropeanInvestmentBankFirstTrancheMember" id="iva_FinanceContractWithEuropeanInvestmentBankFirstTrancheMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WarrantAgreementWithEuropeanInvestmentBankMember" id="iva_WarrantAgreementWithEuropeanInvestmentBankMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsDebtInstrumentTerm" id="iva_IfrsDebtInstrumentTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AggregateAmountToBeReceivedEitherInExchangeForNewSharesOfCompanyOrThroughReceiptOfUpfrontOrMilestonePayments" id="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOfCompanyOrThroughReceiptOfUpfrontOrMilestonePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="PercentageOfCompanySShareCapitalOutstandingIssuedAsWarrants" id="iva_PercentageOfCompanySShareCapitalOutstandingIssuedAsWarrants" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightExercisePriceOfWarrantsAsPercentageOfVolumeWeightedAveragePriceOfCompanySShares" id="iva_ClassOfWarrantOrRightExercisePriceOfWarrantsAsPercentageOfVolumeWeightedAveragePriceOfCompanySShares" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightMaturityTerm" id="iva_ClassOfWarrantOrRightMaturityTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MaximumPotentialGrossProceedsFromExerciseOfWarrants" id="iva_MaximumPotentialGrossProceedsFromExerciseOfWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FinanceContractWithEuropeanInvestmentBankSecondTrancheMember" id="iva_FinanceContractWithEuropeanInvestmentBankSecondTrancheMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfEqualTranches" id="iva_NumberOfEqualTranches" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MinimumUpfrontPaymentsForOutLicensingPartnershipOrRoyaltyTransaction" id="iva_MinimumUpfrontPaymentsForOutLicensingPartnershipOrRoyaltyTransaction" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LoanAgreementsWithSyndicateOfFrenchBanksMember" id="iva_LoanAgreementsWithSyndicateOfFrenchBanksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityRecoveryLoansMember" id="iva_EquityRecoveryLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfLoanAgreements" id="iva_NumberOfLoanAgreements" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinancingPeriodOfLoan" id="iva_FinancingPeriodOfLoan" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfLoanGuaranteedByFrenchState" id="iva_PercentageOfLoanGuaranteedByFrenchState" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TermOverWhichVolumeWeightedAveragePricePerShareToDetermineNumberOfWarrantsToBeIssued" id="iva_TermOverWhichVolumeWeightedAveragePricePerShareToDetermineNumberOfWarrantsToBeIssued" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WarrantAverageLife" id="iva_WarrantAverageLife" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinanceContractWithEuropeanInvestmentBankMember" id="iva_FinanceContractWithEuropeanInvestmentBankMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotionalAmountPerTranche" id="iva_NotionalAmountPerTranche" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LoanAgreementsWithSyndicateOfFrenchBanksUnderStimulusEconomicPlanMember" id="iva_LoanAgreementsWithSyndicateOfFrenchBanksUnderStimulusEconomicPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LoanAgreementsWithSyndicateOfFrenchBanksStateGuaranteedLoanPretGarantiParLetatMember" id="iva_LoanAgreementsWithSyndicateOfFrenchBanksStateGuaranteedLoanPretGarantiParLetatMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfEntitiesBeingConsolidated" id="iva_NumberOfEntitiesBeingConsolidated" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="DecreaseInBorrowingsThroughRepaymentOfLeaseLiabilities" id="iva_DecreaseInBorrowingsThroughRepaymentOfLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseInBorrowingsThroughCapitalizedInterest" id="iva_IncreaseInBorrowingsThroughCapitalizedInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="LongTermFinancialDebtDerivativesMember" id="iva_LongTermFinancialDebtDerivativesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CirAndOtherResearchTaxCreditsReceivable" id="iva_CirAndOtherResearchTaxCreditsReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="IncreaseOrDecreaseInBorrowingsDueToChangesInExchangeRates" id="iva_IncreaseOrDecreaseInBorrowingsDueToChangesInExchangeRates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="TypesOfRevenuesAxis" id="iva_TypesOfRevenuesAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TypesOfRevenuesDomain" id="iva_TypesOfRevenuesDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LicenseAndCollaborationAgreementUpfrontFeeReceivable" id="iva_LicenseAndCollaborationAgreementUpfrontFeeReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="AdvancePaymentMember" id="iva_AdvancePaymentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfWarrantsIssued" id="iva_NumberOfWarrantsIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseDecreaseInLongTermDepositAccounts" id="iva_IncreaseDecreaseInLongTermDepositAccounts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="Bsa2022Member" id="iva_Bsa2022Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BorrowingsEffectiveInterestRate" id="iva_BorrowingsEffectiveInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="LeaseTerm" id="iva_LeaseTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseDecreaseInTradeAccountsPayable" id="iva_IncreaseDecreaseInTradeAccountsPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ProceedsFromLicensingArrangements" id="iva_ProceedsFromLicensingArrangements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NetProceedsFromIssuingShares" id="iva_NetProceedsFromIssuingShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DerivativeInstrumentsMember" id="iva_DerivativeInstrumentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AmountInvoicedToCounterpartyForInitialPayment" id="iva_AmountInvoicedToCounterpartyForInitialPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IncreaseOrDecreaseInBorrowingsDueToChangeInFairValueOfDerivativesInstruments" id="iva_IncreaseOrDecreaseInBorrowingsDueToChangeInFairValueOfDerivativesInstruments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ServiceContractWithAvantSanteMember" id="iva_ServiceContractWithAvantSanteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WarrantsThresholdTradingDays" id="iva_WarrantsThresholdTradingDays" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DisclosureOfValuationApproachForBsaShareBasedPaymentArrangementTableTextBlock" id="iva_DisclosureOfValuationApproachForBsaShareBasedPaymentArrangementTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IndicationOfContinuationOfRecruitmentForPhaseIiiTrialNativ3OfLanifibranorInNonCirrhoticNashashMember" id="iva_IndicationOfContinuationOfRecruitmentForPhaseIiiTrialNativ3OfLanifibranorInNonCirrhoticNashashMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LicensingAgreementWithHepalysMember" id="iva_LicensingAgreementWithHepalysMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="HepalysPharmaIncMember" id="iva_HepalysPharmaIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Bsa20231ShareWarrantPlanMember" id="iva_Bsa20231ShareWarrantPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NewBonusShareAwardPlan20231Member" id="iva_NewBonusShareAwardPlan20231Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LongTermIncentivePlanInPerformanceUnits2023Member" id="iva_LongTermIncentivePlanInPerformanceUnits2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MaximumDurationOfClinicalTrial" id="iva_MaximumDurationOfClinicalTrial" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfWeeksUnderActiveTreatmentExtensionStudy" id="iva_NumberOfWeeksUnderActiveTreatmentExtensionStudy" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LicenseAndCollaborationAgreementMaximumAdditionalAmountReceivableUponAchievementOfCertainMilestones" id="iva_LicenseAndCollaborationAgreementMaximumAdditionalAmountReceivableUponAchievementOfCertainMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DescriptionOfAccountingPolicyForSpecificDisclosureRequirementsForUnauditedInterimFinancialStatementsPolicyTextBlock" id="iva_DescriptionOfAccountingPolicyForSpecificDisclosureRequirementsForUnauditedInterimFinancialStatementsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LongTermDepositsTerm" id="iva_LongTermDepositsTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ProceedsFromFinancing" id="iva_ProceedsFromFinancing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OtherFinancialInformationAbstract" id="iva_OtherFinancialInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClinicalTrialsMember" id="iva_ClinicalTrialsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ContractManufacturingOrganizationsMember" id="iva_ContractManufacturingOrganizationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AgreementsConcerningProvisionOfFacilities" id="iva_AgreementsConcerningProvisionOfFacilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ContractualCapitalCommitmentReceived" id="iva_ContractualCapitalCommitmentReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PharmaceuticalResearchAssociatesMember" id="iva_PharmaceuticalResearchAssociatesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CommitmentContractualBonusOrMalusCappedAmount" id="iva_CommitmentContractualBonusOrMalusCappedAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DisclosureOfComponentsOfIncomeStatementTextBlock" id="iva_DisclosureOfComponentsOfIncomeStatementTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ComponentsOfIncomeStatementAbstract" id="iva_ComponentsOfIncomeStatementAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IfrsotherFinancialInformationTable" id="iva_IfrsotherFinancialInformationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IfrsotherFinancialInformationLineItems" id="iva_IfrsotherFinancialInformationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NotesToConsolidatedBalanceSheet" id="iva_NotesToConsolidatedBalanceSheet" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IncreaseDecreaseInShortTermDepositAccounts" id="iva_IncreaseDecreaseInShortTermDepositAccounts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NumberOfBiopsiesUnderClinicalTrials" id="iva_NumberOfBiopsiesUnderClinicalTrials" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OtherIncomeRelatingToReinvoicingOfShareOfCostsUnderLicensingAndCollaborationAgreement" id="iva_OtherIncomeRelatingToReinvoicingOfShareOfCostsUnderLicensingAndCollaborationAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OtherIncomeReinvoicingOfSpecificCostsUnderServiceAgreement" id="iva_OtherIncomeReinvoicingOfSpecificCostsUnderServiceAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SubscriptionOfLeaseLiabilities" id="iva_SubscriptionOfLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LongTermIncentivePlanInPerformanceUnitsMember" id="iva_LongTermIncentivePlanInPerformanceUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AccrualsClassifiedAsCurrentRelatingToScientificProjects" id="iva_AccrualsClassifiedAsCurrentRelatingToScientificProjects" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OptionToAcquireSharesInCompanyPercentage" id="iva_OptionToAcquireSharesInCompanyPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NonCurrentPortionOfNonCurrentRoyaltyCertificatesIssued" id="iva_NonCurrentPortionOfNonCurrentRoyaltyCertificatesIssued" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="WarrantsTerm" id="iva_WarrantsTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SharesIssuableUponExerciseOfWarrants" id="iva_SharesIssuableUponExerciseOfWarrants" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="MaximumGrossProceedsReceivableUponExerciseOfWarrants" id="iva_MaximumGrossProceedsReceivableUponExerciseOfWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RoyaltyCertificatesLiabilitiesMember" id="iva_RoyaltyCertificatesLiabilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Bsa20232ShareWarrantPlanMember" id="iva_Bsa20232ShareWarrantPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NewBonusShareAwardPlan20232Member" id="iva_NewBonusShareAwardPlan20232Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AnnualRoyaltyPercentageOnFutureNetSalesOfLanifibranor" id="iva_AnnualRoyaltyPercentageOnFutureNetSalesOfLanifibranor" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="RoyaltyCertificateLiabilitiesMember" id="iva_RoyaltyCertificateLiabilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RoyaltyCertificatesEffectiveInterestRate" id="iva_RoyaltyCertificatesEffectiveInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseDecreaseInLeaseLiabilities" id="iva_IncreaseDecreaseInLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="IncreaseInBorrowingsThroughSubscriptionOfDerivativesInstruments" id="iva_IncreaseInBorrowingsThroughSubscriptionOfDerivativesInstruments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="Increaseinborrowingsthroughborrowingsreceived" id="iva_Increaseinborrowingsthroughborrowingsreceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="IssueOfRoyaltyCertificates" id="iva_IssueOfRoyaltyCertificates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NumberOfPatientsRandomizedClinicalTrialMainCohort" id="iva_NumberOfPatientsRandomizedClinicalTrialMainCohort" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="Nativ3PhaseIiiTrialOfLanifibranorInNonCirrhoticNashMember" id="iva_Nativ3PhaseIiiTrialOfLanifibranorInNonCirrhoticNashMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethodPricePerShare" id="iva_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethodPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PhaseIiClinicalTrialEvaluatingLanifibranorInPatientsWithT2dAndNonalcoholicFattyLiverDiseaseMember" id="iva_PhaseIiClinicalTrialEvaluatingLanifibranorInPatientsWithT2dAndNonalcoholicFattyLiverDiseaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DemonstratedReductionOfHepaticFatMeasuredByProtonMagneticResonanceSpectroscopy" id="iva_DemonstratedReductionOfHepaticFatMeasuredByProtonMagneticResonanceSpectroscopy" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DailyDoseOfLanifibranorInTrial" id="iva_DailyDoseOfLanifibranorInTrial" type="dtr-types:massItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfSharesAcquiredInAssociate" id="iva_NumberOfSharesAcquiredInAssociate" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="FredericCrenMember" id="iva_FredericCrenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DrawdownOfBorrowingsMember" id="iva_DrawdownOfBorrowingsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PercentageOfShareCapitalHeldByCounterpartyIfAllOutstandingWarrantsAreExercised" id="iva_PercentageOfShareCapitalHeldByCounterpartyIfAllOutstandingWarrantsAreExercised" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element id="iva_DeprecatedAmountsArisingFromInsuranceContractsAxis" name="DeprecatedAmountsArisingFromInsuranceContractsAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <xsd:element id="iva_DeprecatedNetAmountArisingFromInsuranceContractsMember" name="DeprecatedNetAmountArisingFromInsuranceContractsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <xsd:element name="DisclosureOfShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodInvestmentsTableTextBlock" id="iva_DisclosureOfShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodInvestmentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="EliminationOfDownstreamSales" id="iva_EliminationOfDownstreamSales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IntercompanyEliminationsInAssociates" id="iva_IntercompanyEliminationsInAssociates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="WarrantsStockPrice" id="iva_WarrantsStockPrice" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="WarrantsCapOfPutOption" id="iva_WarrantsCapOfPutOption" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="WarrantsUnitFairValue" id="iva_WarrantsUnitFairValue" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="InterestOnRoyaltyCertificates" id="iva_InterestOnRoyaltyCertificates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="BorrowingsActualizationRate" id="iva_BorrowingsActualizationRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslationOfForeignOperationsIncludingEffectsOfTranslationOfInvestmentsAccountedForUsingEquityMethod" id="iva_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslationOfForeignOperationsIncludingEffectsOfTranslationOfInvestmentsAccountedForUsingEquityMethod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="TreatmentPeriodUnderStudy" id="iva_TreatmentPeriodUnderStudy" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TransactionCostsOnIssueOfWarrants" id="iva_TransactionCostsOnIssueOfWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IncreaseDecreaseThroughCapitalVariations" id="iva_IncreaseDecreaseThroughCapitalVariations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FairValueOfWarrantsOutstanding" id="iva_FairValueOfWarrantsOutstanding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethodBeforeEliminations" id="iva_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethodBeforeEliminations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NumberOfPlansOutstanding" id="iva_NumberOfPlansOutstanding" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NonCurrentAssetsExcludingDeferredAssets" id="iva_NonCurrentAssetsExcludingDeferredAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CurrentAssetsExcludingDeferredAssets" id="iva_CurrentAssetsExcludingDeferredAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DeferredAssets" id="iva_DeferredAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NumberOfSitesOperatingUnderCentralIrbOverseeing" id="iva_NumberOfSitesOperatingUnderCentralIrbOverseeing" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PercentageOfPatientsRandomizedInMainCohort" id="iva_PercentageOfPatientsRandomizedInMainCohort" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="LegendPhaseIiaCombinationTrialWithLanifibranorAndEmpagliflozinInPatientsWithMashNashAndT2dMember" id="iva_LegendPhaseIiaCombinationTrialWithLanifibranorAndEmpagliflozinInPatientsWithMashNashAndT2dMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PresentationOfResultsFromStudyMember" id="iva_PresentationOfResultsFromStudyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NonCurrentPortionOfNonCurrentBorrowingsAndNonCurrentLeaseLiabilities" id="iva_NonCurrentPortionOfNonCurrentBorrowingsAndNonCurrentLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowingsAndCurrentLeaseLiabilities" id="iva_CurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowingsAndCurrentLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DecreaseInBorrowingsThroughRepaymentsOfBankBorrowings" id="iva_DecreaseInBorrowingsThroughRepaymentsOfBankBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="EntitySShareOfNetAssetsInInvestmentsAccountedForUsingEquityMethod" id="iva_EntitySShareOfNetAssetsInInvestmentsAccountedForUsingEquityMethod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NotesToInterimCondensedConsolidatedStatementOfFinancialPositionAbstract" id="iva_NotesToInterimCondensedConsolidatedStatementOfFinancialPositionAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DisclosureOfNotesToInterimCondensedConsolidatedStatementOfFinancialPositionTextBlock" id="iva_DisclosureOfNotesToInterimCondensedConsolidatedStatementOfFinancialPositionTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DisclosureOfOtherFinancialInformationTextblock" id="iva_DisclosureOfOtherFinancialInformationTextblock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" id="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DailyDoseOfEmpagliflozinInTrial" id="iva_DailyDoseOfEmpagliflozinInTrial" type="dtr-types:massItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DemonstratedReductionOfHemoglobinInPatientsWithMashAndT2d" id="iva_DemonstratedReductionOfHemoglobinInPatientsWithMashAndT2d" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PhaseIiClinicalTrialEvaluatingPlaceboInPatientsWithMashNashAndT2dMember" id="iva_PhaseIiClinicalTrialEvaluatingPlaceboInPatientsWithMashNashAndT2dMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DemonstratedIncreaseOfHemoglobinInPatientsWithMashAndT2d" id="iva_DemonstratedIncreaseOfHemoglobinInPatientsWithMashAndT2d" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DemonstratedReductionOfHepaticSteatosisMeasuredByMriPdff" id="iva_DemonstratedReductionOfHepaticSteatosisMeasuredByMriPdff" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PercentageOfPatientsTreatedInTrial" id="iva_PercentageOfPatientsTreatedInTrial" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DemonstratedSignificantRelativeReductionInVatSatRatioInPatients" id="iva_DemonstratedSignificantRelativeReductionInVatSatRatioInPatients" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="Nativ3PhaseIiiClinicalTrialWithLanifibranorInPatientsWithMashNashMember" id="iva_Nativ3PhaseIiiClinicalTrialWithLanifibranorInPatientsWithMashNashMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfPatientsRandomizedForTreatment" id="iva_NumberOfPatientsRandomizedForTreatment" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfPatientsToBeTreatedForFortyEightWeeks" id="iva_NumberOfPatientsToBeTreatedForFortyEightWeeks" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfPatientsToBeTreatedForSeventyTwoWeeks" id="iva_NumberOfPatientsToBeTreatedForSeventyTwoWeeks" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="CapitalSurplusOthers" id="iva_CapitalSurplusOthers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="IncreaseDecreaseInTradeAndOtherCurrentReceivables" id="iva_IncreaseDecreaseInTradeAndOtherCurrentReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IfrsFairValueAdjustmentOfWarrants" id="iva_IfrsFairValueAdjustmentOfWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="Aga2021Aga2021BisMember" id="iva_Aga2021Aga2021BisMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PercentageOfPatientsInTrialEnrolledInMainCohort" id="iva_PercentageOfPatientsInTrialEnrolledInMainCohort" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PercentageOfPatientsInTrialEnrolledInExploratoryCohort" id="iva_PercentageOfPatientsInTrialEnrolledInExploratoryCohort" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="IssuanceOfRoyaltyCertificatesMember" id="iva_IssuanceOfRoyaltyCertificatesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfRoyaltyCertificatesIssued" id="iva_NumberOfRoyaltyCertificatesIssued" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="FinancingAgreementInThreePhasesMember" id="iva_FinancingAgreementInThreePhasesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AggregateAmountToBeReceivedEitherInExchangeForNewSharesOrWarrantsOfCompany" id="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOrWarrantsOfCompany" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="StockIssuedDuringPeriodValue" id="iva_StockIssuedDuringPeriodValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="IssuanceOfSharesWithoutPreferentialSubscriptionRightsMember" id="iva_IssuanceOfSharesWithoutPreferentialSubscriptionRightsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IssuanceOfSharesOrWarrantsWithoutPreferentialSubscriptionRightsMember" id="iva_IssuanceOfSharesOrWarrantsWithoutPreferentialSubscriptionRightsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IssuanceOfSharesOrWarrantsSubjectToConditionsMember" id="iva_IssuanceOfSharesOrWarrantsSubjectToConditionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IfrsClassOfWarrantOrRightValueOfNumberOfSecuritiesCalledByWarrantsOrRights" id="iva_IfrsClassOfWarrantOrRightValueOfNumberOfSecuritiesCalledByWarrantsOrRights" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MinimumAmountCommittedForFundRaising" id="iva_MinimumAmountCommittedForFundRaising" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FinancingThroughFundRaisingMember" id="iva_FinancingThroughFundRaisingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PeriodWithinWhichPaymentIsReceivedFromSettlement" id="iva_PeriodWithinWhichPaymentIsReceivedFromSettlement" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ScenarioTwoMember" id="iva_ScenarioTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ScenarioOneMember" id="iva_ScenarioOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ScenarioThreeMember" id="iva_ScenarioThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ChiaTaiTianqingMember" id="iva_ChiaTaiTianqingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfSharesConverted" id="iva_NumberOfSharesConverted" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="Bsa2024Member" id="iva_Bsa2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
