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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TradeAndOtherCurrentReceivables" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentReceivables" xlink:to="ifrs-full_TradeAndOtherCurrentReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other current receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentTaxAssetsCurrent" xlink:label="ifrs-full_CurrentTaxAssetsCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxAssetsCurrent" xlink:to="ifrs-full_CurrentTaxAssetsCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxAssetsCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current tax assets, current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentTaxAssetsCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentTaxAssetsCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherCurrentAssets" xlink:label="ifrs-full_OtherCurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentAssets" xlink:to="ifrs-full_OtherCurrentAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherCurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAndCashEquivalents" xlink:to="ifrs-full_CashAndCashEquivalents_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash and cash equivalents at the end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents at beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentAssets" xlink:label="ifrs-full_CurrentAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total current assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_Assets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Assets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Assets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityAndLiabilitiesAbstract" xlink:label="ifrs-full_EquityAndLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAndLiabilitiesAbstract" xlink:to="ifrs-full_EquityAndLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAndLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity and liabilities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EquityAndLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LIABILITIES AND SHAREHOLDERS' EQUITY</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityAbstract" xlink:label="ifrs-full_EquityAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAbstract" xlink:to="ifrs-full_EquityAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EquityAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shareholders' equity</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IssuedCapital" xlink:label="ifrs-full_IssuedCapital" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssuedCapital" xlink:to="ifrs-full_IssuedCapital_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IssuedCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issued capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IssuedCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_IssuedCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capital stock</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_SharePremium" xlink:label="ifrs-full_SharePremium" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SharePremium" xlink:to="ifrs-full_SharePremium_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SharePremium_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share premium</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SharePremium_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Premiums related to share capital</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares" xlink:label="iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares" xlink:to="iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">A component of equity representing retained earnings excluding profit (loss) for the reporting period, and treasury shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retained earnings excluding profit (loss) for the reporting period and treasury shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_RetainedEarningsExcludingProfitLossForReportingPeriodAndTreasuryShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reserves</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReserveOfExchangeDifferencesOnTranslation" xlink:to="ifrs-full_ReserveOfExchangeDifferencesOnTranslation_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reserve of exchange differences on translation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Translation reserve</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RetainedEarningsProfitLossForReportingPeriod" xlink:label="ifrs-full_RetainedEarningsProfitLossForReportingPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetainedEarningsProfitLossForReportingPeriod" xlink:to="ifrs-full_RetainedEarningsProfitLossForReportingPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetainedEarningsProfitLossForReportingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retained earnings, profit (loss) for reporting period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RetainedEarningsProfitLossForReportingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net loss for the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_Equity_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance at the end</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance at the beginning</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shareholders' equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shareholders' equity</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NoncurrentLiabilitiesAbstract" xlink:label="ifrs-full_NoncurrentLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="ifrs-full_NoncurrentLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current liabilities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Noncurrent liabilities</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NonCurrentPortionOfNonCurrentBorrowingsAndNonCurrentLeaseLiabilities" xlink:label="iva_NonCurrentPortionOfNonCurrentBorrowingsAndNonCurrentLeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NonCurrentPortionOfNonCurrentBorrowingsAndNonCurrentLeaseLiabilities" xlink:to="iva_NonCurrentPortionOfNonCurrentBorrowingsAndNonCurrentLeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NonCurrentPortionOfNonCurrentBorrowingsAndNonCurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current portion of non-current borrowings and non-current lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NonCurrentPortionOfNonCurrentBorrowingsAndNonCurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current portion of non-current borrowings and non-current lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NonCurrentPortionOfNonCurrentBorrowingsAndNonCurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term debt</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:label="ifrs-full_NoncurrentDerivativeFinancialLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:to="ifrs-full_NoncurrentDerivativeFinancialLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentDerivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current derivative financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="ifrs-full_NoncurrentDerivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivatives instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentDerivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term debt - derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NoncurrentDerivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivatives</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NonCurrentPortionOfNonCurrentRoyaltyCertificatesIssued" xlink:label="iva_NonCurrentPortionOfNonCurrentRoyaltyCertificatesIssued" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NonCurrentPortionOfNonCurrentRoyaltyCertificatesIssued" xlink:to="iva_NonCurrentPortionOfNonCurrentRoyaltyCertificatesIssued_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NonCurrentPortionOfNonCurrentRoyaltyCertificatesIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The non-current portion of non-current royalty certificates issued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NonCurrentPortionOfNonCurrentRoyaltyCertificatesIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current Portion of Non-current Royalty Certificates Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NonCurrentPortionOfNonCurrentRoyaltyCertificatesIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalty certificates liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:label="ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:to="ifrs-full_NoncurrentProvisionsForEmployeeBenefits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentProvisionsForEmployeeBenefits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current provisions for employee benefits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentProvisionsForEmployeeBenefits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions for retirement benefit obligations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NoncurrentContractLiabilities" xlink:label="ifrs-full_NoncurrentContractLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentContractLiabilities" xlink:to="ifrs-full_NoncurrentContractLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current contract liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term contract liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherNoncurrentLiabilities" xlink:label="ifrs-full_OtherNoncurrentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherNoncurrentLiabilities" xlink:to="ifrs-full_OtherNoncurrentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherNoncurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherNoncurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other non-current liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="ifrs-full_NoncurrentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLiabilities" xlink:to="ifrs-full_NoncurrentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_NoncurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total non-current liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentLiabilitiesAbstract" xlink:label="ifrs-full_CurrentLiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLiabilitiesAbstract" xlink:to="ifrs-full_CurrentLiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current liabilities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentLiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current liabilities</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_CurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowingsAndCurrentLeaseLiabilities" xlink:label="iva_CurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowingsAndCurrentLeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_CurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowingsAndCurrentLeaseLiabilities" xlink:to="iva_CurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowingsAndCurrentLeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_CurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowingsAndCurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current borrowings and current portion of non-current borrowings and current lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_CurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowingsAndCurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current borrowings and current portion of non-current borrowings and current lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_CurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowingsAndCurrentLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shortterm debt</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:to="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current trade payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade payables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentContractLiabilities" xlink:label="ifrs-full_CurrentContractLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentContractLiabilities" xlink:to="ifrs-full_CurrentContractLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current contract liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentContractLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Short-term contract liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherCurrentLiabilities" xlink:label="ifrs-full_OtherCurrentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentLiabilities" xlink:to="ifrs-full_OtherCurrentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentLiabilities" xlink:label="ifrs-full_CurrentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_CurrentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total current liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Liabilities" xlink:label="ifrs-full_Liabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_Liabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Liabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Liabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_EquityAndLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAndLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EquityAndLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total equity and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_EquityAndLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total equity and liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncomeStatementAbstract" xlink:label="ifrs-full_IncomeStatementAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_IncomeStatementAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeStatementAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unaudited interim condensed consolidated statement of income (loss)</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_RevenueAndOperatingIncomeAbstract" xlink:label="iva_RevenueAndOperatingIncomeAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_RevenueAndOperatingIncomeAbstract" xlink:to="iva_RevenueAndOperatingIncomeAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_RevenueAndOperatingIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_RevenueAndOperatingIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue And Operating Income [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_RevenueAndOperatingIncomeAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenues and other income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Revenue" xlink:label="ifrs-full_Revenue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Revenue" xlink:to="ifrs-full_Revenue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Revenue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Revenue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Revenue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total revenue</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OtherIncomeFromOrdinaryActivities" xlink:label="iva_OtherIncomeFromOrdinaryActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OtherIncomeFromOrdinaryActivities" xlink:to="iva_OtherIncomeFromOrdinaryActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OtherIncomeFromOrdinaryActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of other income from ordinary activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OtherIncomeFromOrdinaryActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other income from ordinary activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_OtherIncomeFromOrdinaryActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="iva_OtherIncomeFromOrdinaryActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RevenueAndOperatingIncome" xlink:label="ifrs-full_RevenueAndOperatingIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RevenueAndOperatingIncome" xlink:to="ifrs-full_RevenueAndOperatingIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RevenueAndOperatingIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue and other operating income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_RevenueAndOperatingIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total revenues and other income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ResearchAndDevelopmentExpense" xlink:label="ifrs-full_ResearchAndDevelopmentExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ResearchAndDevelopmentExpense" xlink:to="ifrs-full_ResearchAndDevelopmentExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and development expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and development costs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_SalesAndMarketingExpense" xlink:label="ifrs-full_SalesAndMarketingExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SalesAndMarketingExpense" xlink:to="ifrs-full_SalesAndMarketingExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SalesAndMarketingExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales and marketing expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_SalesAndMarketingExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Marketing - Business development expenses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeneralAndAdministrativeExpense" xlink:label="ifrs-full_GeneralAndAdministrativeExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GeneralAndAdministrativeExpense" xlink:to="ifrs-full_GeneralAndAdministrativeExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General and administrative expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General and administrative expenses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherOperatingIncomeExpense" xlink:label="ifrs-full_OtherOperatingIncomeExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_FinanceIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total financial income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinanceCosts" xlink:label="ifrs-full_FinanceCosts" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_FinanceCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_FinanceCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total financial expenses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinanceIncomeCost" xlink:label="ifrs-full_FinanceIncomeCost" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinanceIncomeCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance income (cost)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinanceIncomeCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net financial income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_FinanceIncomeCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net financial income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share of profit (loss) of associates accounted for using equity method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share of net profit - Equity method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share of net loss - Equity method</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income tax</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Profit (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net loss for the period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net loss for the period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProfitLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loss for the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BasicEarningsLossPerShare" xlink:label="ifrs-full_BasicEarningsLossPerShare" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BasicEarningsLossPerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Basic earnings (loss) per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BasicEarningsLossPerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Basic loss per share</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DilutedEarningsLossPerShare" xlink:label="ifrs-full_DilutedEarningsLossPerShare" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DilutedEarningsLossPerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Diluted earnings (loss) per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DilutedEarningsLossPerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Diluted loss per share</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageShares" xlink:label="ifrs-full_WeightedAverageShares" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average number of ordinary shares used in calculating basic earnings per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average number of shares outstanding used to calculate basic loss per share</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustedWeightedAverageShares" xlink:label="ifrs-full_AdjustedWeightedAverageShares" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustedWeightedAverageShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjusted weighted average number of ordinary shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustedWeightedAverageShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average number of shares outstanding used to calculate diluted loss per share</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:label="ifrs-full_StatementOfComprehensiveIncomeAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Items that will be reclassified subsequently to profit or loss</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:label="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Currency translation differences</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total comprehensive loss</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_StatementOfChangesInEquityAbstract" xlink:label="ifrs-full_StatementOfChangesInEquityAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_StatementOfChangesInEquityTable" xlink:label="ifrs-full_StatementOfChangesInEquityTable" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ComponentsOfEquityAxis" xlink:label="ifrs-full_ComponentsOfEquityAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComponentsOfEquityAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Components of equity [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityMember" xlink:label="ifrs-full_EquityMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityMember" xlink:to="ifrs-full_EquityMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IssuedCapitalMember" xlink:label="ifrs-full_IssuedCapitalMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssuedCapitalMember" xlink:to="ifrs-full_IssuedCapitalMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IssuedCapitalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share capital</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_SharePremiumMember" xlink:label="ifrs-full_SharePremiumMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SharePremiumMember" xlink:to="ifrs-full_SharePremiumMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SharePremiumMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Premiums related to share capital</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RetainedEarningsProfitLossForReportingPeriodMember" xlink:label="ifrs-full_RetainedEarningsProfitLossForReportingPeriodMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetainedEarningsProfitLossForReportingPeriodMember" xlink:to="ifrs-full_RetainedEarningsProfitLossForReportingPeriodMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetainedEarningsProfitLossForReportingPeriodMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retained earnings, profit (loss) for reporting period [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RetainedEarningsProfitLossForReportingPeriodMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net profit (loss)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:to="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reserve of exchange differences on translation [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Translation reserves</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_RetainedEarningsExcludingProfitLossFromCurrentReportingPeriodAndTreasurySharesMember" xlink:label="iva_RetainedEarningsExcludingProfitLossFromCurrentReportingPeriodAndTreasurySharesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_RetainedEarningsExcludingProfitLossFromCurrentReportingPeriodAndTreasurySharesMember" xlink:to="iva_RetainedEarningsExcludingProfitLossFromCurrentReportingPeriodAndTreasurySharesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_RetainedEarningsExcludingProfitLossFromCurrentReportingPeriodAndTreasurySharesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member represent a component of equity consisting of retained earnings excluding the current reporting period, and treasury shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_RetainedEarningsExcludingProfitLossFromCurrentReportingPeriodAndTreasurySharesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retained earnings excluding profit (loss) from current reporting period and treasury shares [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_RetainedEarningsExcludingProfitLossFromCurrentReportingPeriodAndTreasurySharesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reserves</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_StatementOfChangesInEquityLineItems" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_StatementOfChangesInEquityLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Statement of changes in equity [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfSharesOutstanding" xlink:label="ifrs-full_NumberOfSharesOutstanding" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesOutstanding" xlink:to="ifrs-full_NumberOfSharesOutstanding_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfSharesOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NumberOfSharesOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance at the end (in shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NumberOfSharesOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Balance at the beginning (in shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfSharesOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NumberOfSharesOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of fully authorized, subscribed and paid up shares</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslationOfForeignOperationsIncludingEffectsOfTranslationOfInvestmentsAccountedForUsingEquityMethod" xlink:label="iva_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslationOfForeignOperationsIncludingEffectsOfTranslationOfInvestmentsAccountedForUsingEquityMethod" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslationOfForeignOperationsIncludingEffectsOfTranslationOfInvestmentsAccountedForUsingEquityMethod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other comprehensive income, net of tax, exchange differences on translation of foreign operations including effects of translation of investments accounted for using equity method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslationOfForeignOperationsIncludingEffectsOfTranslationOfInvestmentsAccountedForUsingEquityMethod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other comprehensive income, net of tax, exchange differences on translation of foreign operations including effects of translation of investments accounted for using equity method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslationOfForeignOperationsIncludingEffectsOfTranslationOfInvestmentsAccountedForUsingEquityMethod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Currency translation differences</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseThroughAppropriationOfRetainedEarnings" xlink:label="ifrs-full_IncreaseDecreaseThroughAppropriationOfRetainedEarnings" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughAppropriationOfRetainedEarnings" xlink:to="ifrs-full_IncreaseDecreaseThroughAppropriationOfRetainedEarnings_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughAppropriationOfRetainedEarnings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through appropriation of retained earnings, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughAppropriationOfRetainedEarnings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Appropriation of net income (loss)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through share-based payment transactions, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share-based payment compensation expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capital increase arising from the vesting of bonus share awards</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IncreaseDecreaseThroughShareWarrantsSubscriptionPremium" xlink:label="iva_IncreaseDecreaseThroughShareWarrantsSubscriptionPremium" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IncreaseDecreaseThroughShareWarrantsSubscriptionPremium" xlink:to="iva_IncreaseDecreaseThroughShareWarrantsSubscriptionPremium_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IncreaseDecreaseThroughShareWarrantsSubscriptionPremium_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The increase decrease in reserves resulting from BSA share warrants subscription premium.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IncreaseDecreaseThroughShareWarrantsSubscriptionPremium_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) Through Share Warrants Subscription Premium</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IncreaseDecreaseThroughShareWarrantsSubscriptionPremium_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA share warrants subscription premium</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:label="ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through treasury share transactions, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Treasury shares</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through other changes, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Elimination of non-cash or non-operating income and expenses</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_AdjustmentsForDepreciationAmortisationAndProvisions" xlink:label="iva_AdjustmentsForDepreciationAmortisationAndProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_AdjustmentsForDepreciationAmortisationAndProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for Depreciation, Amortisation and Provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_AdjustmentsForDepreciationAmortisationAndProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation, amortization and provisions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:label="ifrs-full_AdjustmentsForIncomeTaxExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncomeTaxExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for income tax expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForIncomeTaxExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred and current taxes</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_AdjustmentsForTaxCredits" xlink:label="iva_AdjustmentsForTaxCredits" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_AdjustmentsForTaxCredits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for tax credit to reconcile profit (loss) to net cash flow from (used in) operating activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_AdjustmentsForTaxCredits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments For Tax Credits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_AdjustmentsForTaxCredits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax credits</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:label="ifrs-full_AdjustmentsForFinanceIncomeCost" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForFinanceIncomeCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for finance income (cost)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_AdjustmentsForFinanceIncomeCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cost of debt</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForSharebasedPayments" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for share-based payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sharebased compensation expense</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates" xlink:label="ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for undistributed profits of associates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share of net profit of associates and joint ventures accounted for using the equity method</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:label="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for unrealised foreign exchange losses (gains)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange (gains) / losses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForFairValueGainsLosses" xlink:label="ifrs-full_AdjustmentsForFairValueGainsLosses" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForFairValueGainsLosses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for fair value losses (gains)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForFairValueGainsLosses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value variation through profit and loss</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherAdjustmentsForNoncashItems" xlink:label="ifrs-full_OtherAdjustmentsForNoncashItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherAdjustmentsForNoncashItems" xlink:to="ifrs-full_OtherAdjustmentsForNoncashItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherAdjustmentsForNoncashItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other adjustments for non-cash items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherAdjustmentsForNoncashItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:label="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows used in operations before tax, interest and changes in working capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows used in operations before tax, interest and changes in working capital</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for decrease (increase) in trade and other receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease / (increase) in operating and other receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for increase (decrease) in trade and other payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase / (decrease) in operating and other payables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Adjustments for decrease (increase) in inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease / (increase) in inventories</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax credit received</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other inflows (outflows) of cash, classified as operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:label="ifrs-full_IncreaseDecreaseInWorkingCapital" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_IncreaseDecreaseInWorkingCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax, interest and changes in operating working capital</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash used in operating activities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) investing activities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows used in investing activities</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xlink:label="iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xlink:to="iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase Of Property Plant And Equipment And Intangible Assets Classified As Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">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="iva_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchases of property, plant and equipment and intangible assets</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ProceedsFromSalesOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xlink:label="iva_ProceedsFromSalesOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ProceedsFromSalesOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xlink:to="iva_ProceedsFromSalesOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ProceedsFromSalesOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The cash inflow from the disposal of property, plant and equipment and intangible assets, classified as investing activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ProceedsFromSalesOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds From Sales Of Property Plant And Equipment And Intangible Assets Classified As Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ProceedsFromSalesOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disposals of property, plant and equipment and intangible assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:label="ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:to="ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) decrease (increase) in short-term deposits and investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease / (Increase) in short-term deposit accounts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" xlink:to="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other inflows (outflows) of cash, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase / (Decrease) in other non-current financial assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash from (used in) investing activities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) financing activities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows used in financing activities</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NetProceedsFromIssuingShares" xlink:label="iva_NetProceedsFromIssuingShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NetProceedsFromIssuingShares" xlink:to="iva_NetProceedsFromIssuingShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NetProceedsFromIssuingShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of net proceeds from issuing shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NetProceedsFromIssuingShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net Proceeds From Issuing Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_NetProceedsFromIssuingShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capital increase net of transaction cost</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:to="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from borrowings, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription of borrowings and warrants net of transaction cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loan obtained</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayments of borrowings, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayment of debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayments of borrowings</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payments of lease liabilities, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayment of lease liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash flows from (used in) financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net cash from (used in) financing activities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in cash and cash equivalents before effect of exchange rate changes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net increase (decrease) in cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:label="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:to="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of exchange rate changes on cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange gains / (losses)</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_CompanyInformationAbstract" xlink:label="iva_CompanyInformationAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_CompanyInformationAbstract" xlink:to="iva_CompanyInformationAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_CompanyInformationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_CompanyInformationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Company information</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_CompanyInformationTextBlock" xlink:label="iva_CompanyInformationTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_CompanyInformationTextBlock" xlink:to="iva_CompanyInformationTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_CompanyInformationTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure on company information.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_CompanyInformationTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Company Information [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_CompanyInformationTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Company information</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_StatementOfComplianceAbstract" xlink:label="iva_StatementOfComplianceAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_StatementOfComplianceAbstract" xlink:to="iva_StatementOfComplianceAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_StatementOfComplianceAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">N/A</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_StatementOfComplianceAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Basis of preparation and statement of compliance</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_StatementOfIFRSCompliance" xlink:label="ifrs-full_StatementOfIFRSCompliance" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfIFRSCompliance" xlink:to="ifrs-full_StatementOfIFRSCompliance_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfIFRSCompliance_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Statement of IFRS compliance [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_StatementOfIFRSCompliance_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Basis of preparation and statement of compliance</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_AccountingPrinciplesAbstract" xlink:label="iva_AccountingPrinciplesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_AccountingPrinciplesAbstract" xlink:to="iva_AccountingPrinciplesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_AccountingPrinciplesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_AccountingPrinciplesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accounting Principles</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:label="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:to="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of material accounting policy information [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accounting principles</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NotesToInterimCondensedConsolidatedStatementOfFinancialPositionAbstract" xlink:label="iva_NotesToInterimCondensedConsolidatedStatementOfFinancialPositionAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NotesToInterimCondensedConsolidatedStatementOfFinancialPositionAbstract" xlink:to="iva_NotesToInterimCondensedConsolidatedStatementOfFinancialPositionAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NotesToInterimCondensedConsolidatedStatementOfFinancialPositionAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NotesToInterimCondensedConsolidatedStatementOfFinancialPositionAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notes to the interim condensed consolidated statement of financial position</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfNotesToInterimCondensedConsolidatedStatementOfFinancialPositionTextBlock" xlink:label="iva_DisclosureOfNotesToInterimCondensedConsolidatedStatementOfFinancialPositionTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DisclosureOfNotesToInterimCondensedConsolidatedStatementOfFinancialPositionTextBlock" xlink:to="iva_DisclosureOfNotesToInterimCondensedConsolidatedStatementOfFinancialPositionTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfNotesToInterimCondensedConsolidatedStatementOfFinancialPositionTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure for notes to the interim consolidated balance sheet.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfNotesToInterimCondensedConsolidatedStatementOfFinancialPositionTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Notes to the Interim Condensed Consolidated Statement of Financial Position [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DisclosureOfNotesToInterimCondensedConsolidatedStatementOfFinancialPositionTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notes to the interim condensed consolidated statement of financial position</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ComponentsOfIncomeStatementAbstract" xlink:label="iva_ComponentsOfIncomeStatementAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ComponentsOfIncomeStatementAbstract" xlink:to="iva_ComponentsOfIncomeStatementAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ComponentsOfIncomeStatementAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ComponentsOfIncomeStatementAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notes to the interim condensed consolidated statement of (income) loss</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfComponentsOfIncomeStatementTextBlock" xlink:label="iva_DisclosureOfComponentsOfIncomeStatementTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DisclosureOfComponentsOfIncomeStatementTextBlock" xlink:to="iva_DisclosureOfComponentsOfIncomeStatementTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfComponentsOfIncomeStatementTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure for components of income statement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfComponentsOfIncomeStatementTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Components Of Income Statement [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DisclosureOfComponentsOfIncomeStatementTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notes to the interim condensed consolidated statement of (income) loss</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OtherFinancialInformationAbstract" xlink:label="iva_OtherFinancialInformationAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OtherFinancialInformationAbstract" xlink:to="iva_OtherFinancialInformationAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OtherFinancialInformationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OtherFinancialInformationAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial information</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfOtherFinancialInformationTextblock" xlink:label="iva_DisclosureOfOtherFinancialInformationTextblock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DisclosureOfOtherFinancialInformationTextblock" xlink:to="iva_DisclosureOfOtherFinancialInformationTextblock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfOtherFinancialInformationTextblock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure for other financial information.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfOtherFinancialInformationTextblock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Other Financial Information [TextBlock]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DisclosureOfOtherFinancialInformationTextblock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial information</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:label="ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:to="ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of accounting judgements and estimates [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Use of estimates and judgment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description of accounting policy for fair value measurement [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value measurement</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DescriptionOfAccountingPolicyForSpecificDisclosureRequirementsForUnauditedInterimFinancialStatementsPolicyTextBlock" xlink:label="iva_DescriptionOfAccountingPolicyForSpecificDisclosureRequirementsForUnauditedInterimFinancialStatementsPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DescriptionOfAccountingPolicyForSpecificDisclosureRequirementsForUnauditedInterimFinancialStatementsPolicyTextBlock" xlink:to="iva_DescriptionOfAccountingPolicyForSpecificDisclosureRequirementsForUnauditedInterimFinancialStatementsPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DescriptionOfAccountingPolicyForSpecificDisclosureRequirementsForUnauditedInterimFinancialStatementsPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Specific disclosure requirements for unaudited interim financial statements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DescriptionOfAccountingPolicyForSpecificDisclosureRequirementsForUnauditedInterimFinancialStatementsPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Description Of Accounting Policy For Specific Disclosure Requirements For Unaudited Interim Financial Statements [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DescriptionOfAccountingPolicyForSpecificDisclosureRequirementsForUnauditedInterimFinancialStatementsPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Specific disclosure requirements for unaudited interim financial statements</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfGoingConcernExplanatory" xlink:label="ifrs-full_DisclosureOfGoingConcernExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfGoingConcernExplanatory" xlink:to="ifrs-full_DisclosureOfGoingConcernExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfGoingConcernExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of going concern [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfGoingConcernExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Going concern</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory" xlink:label="ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory" xlink:to="ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of interests in subsidiaries [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of subsidiaries</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:label="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:to="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of effect of changes in foreign exchange rates [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of exchange rates</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:label="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:to="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of fair value of financial instruments [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of financial assets and liabilities measured at fair value</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:to="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of terms and conditions of share-based payment arrangement [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Types of share-based payment arrangements [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_SharebasedPaymentArrangementsMember" xlink:label="ifrs-full_SharebasedPaymentArrangementsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SharebasedPaymentArrangementsMember" xlink:to="ifrs-full_SharebasedPaymentArrangementsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SharebasedPaymentArrangementsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sharebased compensation expense</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_BspceAndBsaShareWarrantsMember" xlink:label="iva_BspceAndBsaShareWarrantsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_BspceAndBsaShareWarrantsMember" xlink:to="iva_BspceAndBsaShareWarrantsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_BspceAndBsaShareWarrantsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for BSPCE and BSA share warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_BspceAndBsaShareWarrantsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSPCE and BSA Share Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_BspceAndBsaShareWarrantsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSPCE share warrants and BSA share warrants</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NewBonusShareAwardPlan20231Member" xlink:label="iva_NewBonusShareAwardPlan20231Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NewBonusShareAwardPlan20231Member" xlink:to="iva_NewBonusShareAwardPlan20231Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NewBonusShareAwardPlan20231Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for New bonus share award plans (AGA 2023-1).</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about intangible assets [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of intangible assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about property, plant and equipment [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of property, plant and equipment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory" xlink:label="ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory" xlink:to="ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of reconciliation of summarised financial information of associate accounted for using equity method to carrying amount of interest in associate [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of investment in Hepalys is accounted for using the equity method of accounting</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfOtherNoncurrentAssetsTableTextBlock" xlink:label="iva_DisclosureOfOtherNoncurrentAssetsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DisclosureOfOtherNoncurrentAssetsTableTextBlock" xlink:to="iva_DisclosureOfOtherNoncurrentAssetsTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfOtherNoncurrentAssetsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of other non current assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfOtherNoncurrentAssetsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Other Noncurrent Assets [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DisclosureOfOtherNoncurrentAssetsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of other non current assets</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsScheduleOfInventoryCurrentTableTextBlock" xlink:label="iva_IfrsScheduleOfInventoryCurrentTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsScheduleOfInventoryCurrentTableTextBlock" xlink:to="iva_IfrsScheduleOfInventoryCurrentTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsScheduleOfInventoryCurrentTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsScheduleOfInventoryCurrentTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Schedule of Inventory, Current [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IfrsScheduleOfInventoryCurrentTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of inventories</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfTradeReceivablesTableTextBlock" xlink:label="iva_DisclosureOfTradeReceivablesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DisclosureOfTradeReceivablesTableTextBlock" xlink:to="iva_DisclosureOfTradeReceivablesTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfTradeReceivablesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of trade receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfTradeReceivablesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of Trade Receivables [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DisclosureOfTradeReceivablesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of trade receivables and others break down</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:to="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other current assets [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of other current assets and receivables</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfCashAndCashEquivalentsTableTextBlock" xlink:label="iva_DisclosureOfCashAndCashEquivalentsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DisclosureOfCashAndCashEquivalentsTableTextBlock" xlink:to="iva_DisclosureOfCashAndCashEquivalentsTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfCashAndCashEquivalentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of cash and cash equivalents.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfCashAndCashEquivalentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Cash And Cash Equivalents [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DisclosureOfCashAndCashEquivalentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of classes of share capital [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of changes in share capital</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:label="ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of number and weighted average exercise prices of other equity instruments [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of movements in BSPCE and BSA share warrants and Bonus shares</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about borrowings [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of debt</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfChangesInBorrowingsTableTextBlock" xlink:label="iva_DisclosureOfChangesInBorrowingsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DisclosureOfChangesInBorrowingsTableTextBlock" xlink:to="iva_DisclosureOfChangesInBorrowingsTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfChangesInBorrowingsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of changes in borrowings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfChangesInBorrowingsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Changes In Borrowings [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_DisclosureOfChangesInBorrowingsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of movements in the period break down</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfValuationApproachForBsaShareBasedPaymentArrangementTableTextBlock" xlink:label="iva_DisclosureOfValuationApproachForBsaShareBasedPaymentArrangementTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DisclosureOfValuationApproachForBsaShareBasedPaymentArrangementTableTextBlock" xlink:to="iva_DisclosureOfValuationApproachForBsaShareBasedPaymentArrangementTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfValuationApproachForBsaShareBasedPaymentArrangementTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of valuation approach for BSA share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfValuationApproachForBsaShareBasedPaymentArrangementTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of valuation approach for BSA share-based payment arrangement [table text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DisclosureOfValuationApproachForBsaShareBasedPaymentArrangementTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of valuation approach for BSA arrangement</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfProvisionRecordedInRespectOfDefinedBenefitSchemesAtEndOfEachReportingPeriodExplanatory" xlink:label="iva_DisclosureOfProvisionRecordedInRespectOfDefinedBenefitSchemesAtEndOfEachReportingPeriodExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfProvisionRecordedInRespectOfDefinedBenefitSchemesAtEndOfEachReportingPeriodExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of detailed information about provision recorded in respect of defined benefit schemes at the end of each reporting period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfProvisionRecordedInRespectOfDefinedBenefitSchemesAtEndOfEachReportingPeriodExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Provision Recorded In Respect Of Defined Benefit Schemes At End Of Each Reporting Period, Explanatory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DisclosureOfProvisionRecordedInRespectOfDefinedBenefitSchemesAtEndOfEachReportingPeriodExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of provision recorded in respect of defined benefit schemes at the end of each reporting period</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfChangesInProvisionRecordedInRespectOfDefinedBenefitSchemesExplanatory" xlink:label="iva_DisclosureOfChangesInProvisionRecordedInRespectOfDefinedBenefitSchemesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfChangesInProvisionRecordedInRespectOfDefinedBenefitSchemesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of detailed information about change in the provision recorded in respect of defined benefit schemes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfChangesInProvisionRecordedInRespectOfDefinedBenefitSchemesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Changes In Provision Recorded In Respect Of Defined Benefit Schemes, Explanatory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DisclosureOfChangesInProvisionRecordedInRespectOfDefinedBenefitSchemesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of change in the provision recorded in respect of defined benefit schemes</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfExpensesRecognizedInStatementOfIncomeLossForRetirementBenefitObligationsExplanatory" xlink:label="iva_DisclosureOfExpensesRecognizedInStatementOfIncomeLossForRetirementBenefitObligationsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DisclosureOfExpensesRecognizedInStatementOfIncomeLossForRetirementBenefitObligationsExplanatory" xlink:to="iva_DisclosureOfExpensesRecognizedInStatementOfIncomeLossForRetirementBenefitObligationsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfExpensesRecognizedInStatementOfIncomeLossForRetirementBenefitObligationsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The disclosure of detailed information about expense recognized in the statement of income (loss) for Retirement Benefit Obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfExpensesRecognizedInStatementOfIncomeLossForRetirementBenefitObligationsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Expenses Recognized In Statement Of Income (Loss) For Retirement Benefit Obligations, Explanatory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DisclosureOfExpensesRecognizedInStatementOfIncomeLossForRetirementBenefitObligationsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of expense recognized in the statement of income (loss)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:label="ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:to="ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of maturity analysis for non-derivative financial liabilities [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of maturity of long-term and short-term debt</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfTradePayablesAndOtherCurrentLiabilitiesTableTextBlock" xlink:label="iva_DisclosureOfTradePayablesAndOtherCurrentLiabilitiesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DisclosureOfTradePayablesAndOtherCurrentLiabilitiesTableTextBlock" xlink:to="iva_DisclosureOfTradePayablesAndOtherCurrentLiabilitiesTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfTradePayablesAndOtherCurrentLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure for trade payables and other current liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfTradePayablesAndOtherCurrentLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Trade Payables and Other Current Liabilities [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DisclosureOfTradePayablesAndOtherCurrentLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of trade payables and other current liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:label="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:to="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of trade and other payables [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of trade payables break down by payment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfOtherCurrentLiabilitiesExplanatory" xlink:label="ifrs-full_DisclosureOfOtherCurrentLiabilitiesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherCurrentLiabilitiesExplanatory" xlink:to="ifrs-full_DisclosureOfOtherCurrentLiabilitiesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherCurrentLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other current liabilities [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfOtherCurrentLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of other current liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about financial instruments [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of financial assets and liabilities</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_RevenueAndOtherIncomeTableTextBlock" xlink:label="iva_RevenueAndOtherIncomeTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_RevenueAndOtherIncomeTableTextBlock" xlink:to="iva_RevenueAndOtherIncomeTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_RevenueAndOtherIncomeTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of revenue and other income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_RevenueAndOtherIncomeTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue and Other Income [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_RevenueAndOtherIncomeTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of revenues and other income</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ResearchAndDevelopmentMarketingTableTextBlock" xlink:label="iva_ResearchAndDevelopmentMarketingTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ResearchAndDevelopmentMarketingTableTextBlock" xlink:to="iva_ResearchAndDevelopmentMarketingTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ResearchAndDevelopmentMarketingTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of Research and Development, Marketing.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ResearchAndDevelopmentMarketingTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and Development, Marketing [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ResearchAndDevelopmentMarketingTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of research and development, marketing</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PersonnelCostsAndHeadcount" xlink:label="iva_PersonnelCostsAndHeadcount" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PersonnelCostsAndHeadcount" xlink:to="iva_PersonnelCostsAndHeadcount_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PersonnelCostsAndHeadcount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Personnel costs and headcount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PersonnelCostsAndHeadcount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Personnel costs and headcount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_PersonnelCostsAndHeadcount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of personnel costs and headcount</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfOtherOperatingIncomeExpenseTableTextBlock" xlink:label="iva_DisclosureOfOtherOperatingIncomeExpenseTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DisclosureOfOtherOperatingIncomeExpenseTableTextBlock" xlink:to="iva_DisclosureOfOtherOperatingIncomeExpenseTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfOtherOperatingIncomeExpenseTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of other operating income (expense).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfOtherOperatingIncomeExpenseTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Other Operating Income Expense [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DisclosureOfOtherOperatingIncomeExpenseTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of other operating income and expenses</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_FinancialIncomeAndExpensesTableTextBlock" xlink:label="iva_FinancialIncomeAndExpensesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_FinancialIncomeAndExpensesTableTextBlock" xlink:to="iva_FinancialIncomeAndExpensesTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_FinancialIncomeAndExpensesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of financial income and expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_FinancialIncomeAndExpensesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Income and Expenses [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_FinancialIncomeAndExpensesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of financial income and expenses</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DisclosureOfShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodInvestmentsTableTextBlock" xlink:label="iva_DisclosureOfShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodInvestmentsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DisclosureOfShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodInvestmentsTableTextBlock" xlink:to="iva_DisclosureOfShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodInvestmentsTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DisclosureOfShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodInvestmentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The tabular disclosure of share of profit loss of associates and joint ventures accounted for using equity method investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DisclosureOfShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodInvestmentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure Of Share Of Profit Loss Of Associates And Joint Ventures Accounted For Using Equity Method Investments [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DisclosureOfShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodInvestmentsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of share of net profit - Equity method</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EarningsPerShareExplanatory" xlink:label="ifrs-full_EarningsPerShareExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EarningsPerShareExplanatory" xlink:to="ifrs-full_EarningsPerShareExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EarningsPerShareExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Earnings per share [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EarningsPerShareExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of basic and diluted loss per share</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfContingentLiabilitiesExplanatory" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesExplanatory" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesExplanatory" xlink:to="ifrs-full_DisclosureOfContingentLiabilitiesExplanatory_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of contingent liabilities [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesExplanatory_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of commitments given and received</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeTable" xlink:label="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeTable" xlink:to="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of information about collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Collaborative Arrangement and Arrangement Other than Collaborative [Table]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeAxis" xlink:label="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeAxis" xlink:to="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information by collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Collaborative Arrangement and Arrangement Other than Collaborative [Axis]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeDomain" xlink:label="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeDomain" xlink:to="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Collaborative Arrangement and Arrangement Other than Collaborative [Domain]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PhaseIiClinicalTrialEvaluatingLanifibranorInPatientsWithT2dAndNonalcoholicFattyLiverDiseaseMember" xlink:label="iva_PhaseIiClinicalTrialEvaluatingLanifibranorInPatientsWithT2dAndNonalcoholicFattyLiverDiseaseMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PhaseIiClinicalTrialEvaluatingLanifibranorInPatientsWithT2dAndNonalcoholicFattyLiverDiseaseMember" xlink:to="iva_PhaseIiClinicalTrialEvaluatingLanifibranorInPatientsWithT2dAndNonalcoholicFattyLiverDiseaseMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PhaseIiClinicalTrialEvaluatingLanifibranorInPatientsWithT2dAndNonalcoholicFattyLiverDiseaseMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Phase II clinical trial evaluating lanifibranor in patients with T2D and nonalcoholic fatty liver disease</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PhaseIiClinicalTrialEvaluatingLanifibranorInPatientsWithT2dAndNonalcoholicFattyLiverDiseaseMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Phase II clinical trial evaluating lanifibranor in patients with T2D and nonalcoholic fatty liver disease [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_PhaseIiClinicalTrialEvaluatingLanifibranorInPatientsWithT2dAndNonalcoholicFattyLiverDiseaseMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Phase II clinical trial evaluating lanifibranor in patients with T2D and nonalcoholic fatty liver disease</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LegendPhaseIiaCombinationTrialWithLanifibranorAndEmpagliflozinInPatientsWithMashNashAndT2dMember" xlink:label="iva_LegendPhaseIiaCombinationTrialWithLanifibranorAndEmpagliflozinInPatientsWithMashNashAndT2dMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LegendPhaseIiaCombinationTrialWithLanifibranorAndEmpagliflozinInPatientsWithMashNashAndT2dMember" xlink:to="iva_LegendPhaseIiaCombinationTrialWithLanifibranorAndEmpagliflozinInPatientsWithMashNashAndT2dMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LegendPhaseIiaCombinationTrialWithLanifibranorAndEmpagliflozinInPatientsWithMashNashAndT2dMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to the LEGEND Phase IIa combination trial with lanifibranor and empagliflozin in patients with MASH/NASH and T2D</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LegendPhaseIiaCombinationTrialWithLanifibranorAndEmpagliflozinInPatientsWithMashNashAndT2dMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LEGEND Phase IIa combination trial with lanifibranor and empagliflozin in patients with MASH/NASH and T2D [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LegendPhaseIiaCombinationTrialWithLanifibranorAndEmpagliflozinInPatientsWithMashNashAndT2dMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Combination of lanifibranor</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PhaseIiClinicalTrialEvaluatingPlaceboInPatientsWithMashNashAndT2dMember" xlink:label="iva_PhaseIiClinicalTrialEvaluatingPlaceboInPatientsWithMashNashAndT2dMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PhaseIiClinicalTrialEvaluatingPlaceboInPatientsWithMashNashAndT2dMember" xlink:to="iva_PhaseIiClinicalTrialEvaluatingPlaceboInPatientsWithMashNashAndT2dMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PhaseIiClinicalTrialEvaluatingPlaceboInPatientsWithMashNashAndT2dMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for phase II clinical trial evaluating placebo in patients with MASH/NASH and T2D.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PhaseIiClinicalTrialEvaluatingPlaceboInPatientsWithMashNashAndT2dMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Phase II Clinical Trial Evaluating Placebo In Patients With MASH/NASH And T2D [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_PhaseIiClinicalTrialEvaluatingPlaceboInPatientsWithMashNashAndT2dMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Phase II Clinical Trial Evaluating Placebo In Patients With MASH/NASH And T2D</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Nativ3PhaseIiiClinicalTrialWithLanifibranorInPatientsWithMashNashMember" xlink:label="iva_Nativ3PhaseIiiClinicalTrialWithLanifibranorInPatientsWithMashNashMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Nativ3PhaseIiiClinicalTrialWithLanifibranorInPatientsWithMashNashMember" xlink:to="iva_Nativ3PhaseIiiClinicalTrialWithLanifibranorInPatientsWithMashNashMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Nativ3PhaseIiiClinicalTrialWithLanifibranorInPatientsWithMashNashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for NATiV3 Phase III clinical trial with lanifibranor in patients with
MASH/NASH.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Nativ3PhaseIiiClinicalTrialWithLanifibranorInPatientsWithMashNashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NATiV3 Phase III Clinical Trial With Lanifibranor In Patients With MASH/NASH [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_Nativ3PhaseIiiClinicalTrialWithLanifibranorInPatientsWithMashNashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NATiV3 Phase III clinical trial</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangeAxis" xlink:label="ifrs-full_RangeAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangeAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RangeAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Range [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesMember" xlink:label="ifrs-full_RangesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_RangesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RangesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ranges [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TopOfRangeMember" xlink:label="ifrs-full_TopOfRangeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TopOfRangeMember" xlink:to="ifrs-full_TopOfRangeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TopOfRangeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TopOfRangeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BottomOfRangeMember" xlink:label="ifrs-full_BottomOfRangeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BottomOfRangeMember" xlink:to="ifrs-full_BottomOfRangeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BottomOfRangeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BottomOfRangeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:to="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-adjusting events after reporting period [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NonadjustingEventsMember" xlink:label="ifrs-full_NonadjustingEventsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NonadjustingEventsMember" xlink:to="ifrs-full_NonadjustingEventsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NonadjustingEventsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-adjusting events after reporting period [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NonadjustingEventsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-adjusting events after reporting period [member]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IndicationOfContinuationOfRecruitmentForPhaseIiiTrialNativ3OfLanifibranorInNonCirrhoticNashashMember" xlink:label="iva_IndicationOfContinuationOfRecruitmentForPhaseIiiTrialNativ3OfLanifibranorInNonCirrhoticNashashMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IndicationOfContinuationOfRecruitmentForPhaseIiiTrialNativ3OfLanifibranorInNonCirrhoticNashashMember" xlink:to="iva_IndicationOfContinuationOfRecruitmentForPhaseIiiTrialNativ3OfLanifibranorInNonCirrhoticNashashMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IndicationOfContinuationOfRecruitmentForPhaseIiiTrialNativ3OfLanifibranorInNonCirrhoticNashashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for indication of continuation of recruitment for Phase III trial NATiV3 of lanifibranor in non-cirrhotic NASH.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IndicationOfContinuationOfRecruitmentForPhaseIiiTrialNativ3OfLanifibranorInNonCirrhoticNashashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Indication Of Continuation Of Recruitment For Phase Iii Trial Nativ3 Of Lanifibranor In Non-Cirrhotic NashASH [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IndicationOfContinuationOfRecruitmentForPhaseIiiTrialNativ3OfLanifibranorInNonCirrhoticNashashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Indication of continuation of recruitment for Phase III trial NATiV3 of lanifibranor in non-cirrhotic NASH</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LicensingAgreementWithHepalysMember" xlink:label="iva_LicensingAgreementWithHepalysMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LicensingAgreementWithHepalysMember" xlink:to="iva_LicensingAgreementWithHepalysMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LicensingAgreementWithHepalysMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Licensing agreement with Hepalys.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LicensingAgreementWithHepalysMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Licensing Agreement With Hepalys [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LicensingAgreementWithHepalysMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Licensing agreement with Hepalys</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_OwnershipAxis" xlink:label="srt_OwnershipAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_OwnershipAxis" xlink:to="srt_OwnershipAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_OwnershipAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ownership [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_OwnershipDomain" xlink:label="srt_OwnershipDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_OwnershipDomain" xlink:to="srt_OwnershipDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_OwnershipDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ownership [Domain]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_HepalysPharmaIncMember" xlink:label="iva_HepalysPharmaIncMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_HepalysPharmaIncMember" xlink:to="iva_HepalysPharmaIncMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_HepalysPharmaIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Hepalys Pharma, Inc.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_HepalysPharmaIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hepalys Pharma, Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_HepalysPharmaIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hepalys Pharma, Inc</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="ifrs-full_BorrowingsByNameAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsByNameAxis" xlink:to="ifrs-full_BorrowingsByNameAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsByNameAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings by name [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BorrowingsByNameMember" xlink:label="ifrs-full_BorrowingsByNameMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ifrs-full_BorrowingsByNameMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsByNameMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings by name [member]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_FinanceContractWithEuropeanInvestmentBankMember" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_FinanceContractWithEuropeanInvestmentBankMember" xlink:to="iva_FinanceContractWithEuropeanInvestmentBankMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Finance contract with the European Investment Bank</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance contract with European Investment Bank [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance contract with EIB</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_FinanceContractWithEuropeanInvestmentBankFirstTrancheMember" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankFirstTrancheMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_FinanceContractWithEuropeanInvestmentBankFirstTrancheMember" xlink:to="iva_FinanceContractWithEuropeanInvestmentBankFirstTrancheMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankFirstTrancheMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to first tranche of the finance contract with European Investment Bank ("EIB").</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankFirstTrancheMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance Contract With European Investment Bank, First Tranche [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankFirstTrancheMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance contract with EIB, first tranche (Tranche A)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankFirstTrancheMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance contract with EIB, Tranche A</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_FinanceContractWithEuropeanInvestmentBankSecondTrancheMember" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankSecondTrancheMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_FinanceContractWithEuropeanInvestmentBankSecondTrancheMember" xlink:to="iva_FinanceContractWithEuropeanInvestmentBankSecondTrancheMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankSecondTrancheMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to second tranche of the finance contract with European investment bank ("EIB").</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankSecondTrancheMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance Contract With European Investment Bank, Second Tranche [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankSecondTrancheMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance contract with EIB, second tranche (Tranche B)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_FinanceContractWithEuropeanInvestmentBankSecondTrancheMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Finance contract with EIB, Tranche B</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeLineItems" xlink:label="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeLineItems" xlink:to="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of information about collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Collaborative Arrangement And Arrangement Other Than Collaborative [Line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Collaborative Arrangements</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_MaximumDurationOfClinicalTrial" xlink:label="iva_MaximumDurationOfClinicalTrial" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_MaximumDurationOfClinicalTrial" xlink:to="iva_MaximumDurationOfClinicalTrial_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_MaximumDurationOfClinicalTrial_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum duration of the clinical trial of the entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_MaximumDurationOfClinicalTrial_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum Duration Of The Clinical Trial</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_MaximumDurationOfClinicalTrial_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum duration of Phase III trial</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfBiopsiesUnderClinicalTrials" xlink:label="iva_NumberOfBiopsiesUnderClinicalTrials" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfBiopsiesUnderClinicalTrials" xlink:to="iva_NumberOfBiopsiesUnderClinicalTrials_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfBiopsiesUnderClinicalTrials_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">It represents the  number of clinical trial.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfBiopsiesUnderClinicalTrials_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Biopsies Under Clinical Trials</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfBiopsiesUnderClinicalTrials_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Biopsies Under the Phase III trial</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfWeeksUnderActiveTreatmentExtensionStudy" xlink:label="iva_NumberOfWeeksUnderActiveTreatmentExtensionStudy" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfWeeksUnderActiveTreatmentExtensionStudy" xlink:to="iva_NumberOfWeeksUnderActiveTreatmentExtensionStudy_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfWeeksUnderActiveTreatmentExtensionStudy_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of weeks under the active treatment extension study of the entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfWeeksUnderActiveTreatmentExtensionStudy_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Weeks Under The Active Treatment Extension Study</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_NumberOfWeeksUnderActiveTreatmentExtensionStudy_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of weeks under the active treatment extension study</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LicenseAndCollaborationAgreementUpfrontFeeReceivable" xlink:label="iva_LicenseAndCollaborationAgreementUpfrontFeeReceivable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LicenseAndCollaborationAgreementUpfrontFeeReceivable" xlink:to="iva_LicenseAndCollaborationAgreementUpfrontFeeReceivable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LicenseAndCollaborationAgreementUpfrontFeeReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of upfront fee receivable by the entity, pursuant to licensing and collaborative arrangements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LicenseAndCollaborationAgreementUpfrontFeeReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">License And Collaboration Agreement Upfront Fee Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LicenseAndCollaborationAgreementUpfrontFeeReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Upfront payment receivable</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LicenseAndCollaborationAgreementMaximumAdditionalAmountReceivableUponAchievementOfCertainMilestones" xlink:label="iva_LicenseAndCollaborationAgreementMaximumAdditionalAmountReceivableUponAchievementOfCertainMilestones" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LicenseAndCollaborationAgreementMaximumAdditionalAmountReceivableUponAchievementOfCertainMilestones" xlink:to="iva_LicenseAndCollaborationAgreementMaximumAdditionalAmountReceivableUponAchievementOfCertainMilestones_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LicenseAndCollaborationAgreementMaximumAdditionalAmountReceivableUponAchievementOfCertainMilestones_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum additional amount receivable by the entity, upon the achievement of certain milestones, pursuant to licensing and collaborative arrangements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LicenseAndCollaborationAgreementMaximumAdditionalAmountReceivableUponAchievementOfCertainMilestones_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">License And Collaboration Agreement, Maximum Additional Amount Receivable Upon Achievement Of Certain Milestones</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LicenseAndCollaborationAgreementMaximumAdditionalAmountReceivableUponAchievementOfCertainMilestones_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum milestone payments receivable</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OptionToAcquireSharesInCompanyPercentage" xlink:label="iva_OptionToAcquireSharesInCompanyPercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OptionToAcquireSharesInCompanyPercentage" xlink:to="iva_OptionToAcquireSharesInCompanyPercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OptionToAcquireSharesInCompanyPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Option to acquire shares in company, percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OptionToAcquireSharesInCompanyPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Option to acquire shares in company, percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_OptionToAcquireSharesInCompanyPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percent of acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_OptionToAcquireSharesInCompanyPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Option to acquire shares in company, percentage</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethodPricePerShare" xlink:label="iva_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethodPricePerShare" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethodPricePerShare" xlink:to="iva_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethodPricePerShare_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethodPricePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase of interests in investments accounted for using equity method, price per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethodPricePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase of interests in investments accounted for using equity method, price per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethodPricePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Purchase of interests in investments accounted for using equity method, price per share</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:to="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Class of Warrant or Right, Number of Securities Called by Warrants or Rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares underlying in EIB</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfPatientsRandomizedClinicalTrialMainCohort" xlink:label="iva_NumberOfPatientsRandomizedClinicalTrialMainCohort" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfPatientsRandomizedClinicalTrialMainCohort" xlink:to="iva_NumberOfPatientsRandomizedClinicalTrialMainCohort_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfPatientsRandomizedClinicalTrialMainCohort_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the number of subjects randomized for main cohort.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfPatientsRandomizedClinicalTrialMainCohort_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Patients Randomized, Clinical Trial, Main Cohort</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfPatientsRandomizedClinicalTrialMainCohort_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of patients in main cohort</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NotionalAmount" xlink:label="ifrs-full_NotionalAmount" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotionalAmount" xlink:to="ifrs-full_NotionalAmount_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NotionalAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notional Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NotionalAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notional amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NotionalAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total amount of loan</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DemonstratedReductionOfHepaticFatMeasuredByProtonMagneticResonanceSpectroscopy" xlink:label="iva_DemonstratedReductionOfHepaticFatMeasuredByProtonMagneticResonanceSpectroscopy" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DemonstratedReductionOfHepaticFatMeasuredByProtonMagneticResonanceSpectroscopy" xlink:to="iva_DemonstratedReductionOfHepaticFatMeasuredByProtonMagneticResonanceSpectroscopy_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DemonstratedReductionOfHepaticFatMeasuredByProtonMagneticResonanceSpectroscopy_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Demonstrated reduction of hepatic fat measured by proton magnetic resonance spectroscopy</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DemonstratedReductionOfHepaticFatMeasuredByProtonMagneticResonanceSpectroscopy_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Demonstrated reduction of hepatic fat measured by proton magnetic resonance spectroscopy</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DailyDoseOfLanifibranorInTrial" xlink:label="iva_DailyDoseOfLanifibranorInTrial" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DailyDoseOfLanifibranorInTrial" xlink:to="iva_DailyDoseOfLanifibranorInTrial_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DailyDoseOfLanifibranorInTrial_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Daily dose of lanifibranor in trial</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DailyDoseOfLanifibranorInTrial_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Daily dose of lanifibranor in trial</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DailyDoseOfEmpagliflozinInTrial" xlink:label="iva_DailyDoseOfEmpagliflozinInTrial" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DailyDoseOfEmpagliflozinInTrial" xlink:to="iva_DailyDoseOfEmpagliflozinInTrial_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DailyDoseOfEmpagliflozinInTrial_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of daily dosage of empagliflozin in the trial.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DailyDoseOfEmpagliflozinInTrial_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Daily Dose Of Empagliflozin In Trial</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DailyDoseOfEmpagliflozinInTrial_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Daily dose of empagliflozin in trial</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DemonstratedReductionOfHemoglobinInPatientsWithMashAndT2d" xlink:label="iva_DemonstratedReductionOfHemoglobinInPatientsWithMashAndT2d" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DemonstratedReductionOfHemoglobinInPatientsWithMashAndT2d" xlink:to="iva_DemonstratedReductionOfHemoglobinInPatientsWithMashAndT2d_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DemonstratedReductionOfHemoglobinInPatientsWithMashAndT2d_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of reduction in Hemoglobin among  patients with MASH and T2D.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DemonstratedReductionOfHemoglobinInPatientsWithMashAndT2d_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Demonstrated Reduction of Hemoglobin in Patients With MASH And T2D</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DemonstratedReductionOfHemoglobinInPatientsWithMashAndT2d_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage reduction in results on treatments</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DemonstratedIncreaseOfHemoglobinInPatientsWithMashAndT2d" xlink:label="iva_DemonstratedIncreaseOfHemoglobinInPatientsWithMashAndT2d" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DemonstratedIncreaseOfHemoglobinInPatientsWithMashAndT2d" xlink:to="iva_DemonstratedIncreaseOfHemoglobinInPatientsWithMashAndT2d_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DemonstratedIncreaseOfHemoglobinInPatientsWithMashAndT2d_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of increase of Hemoglobin in patients with MASH and T2D.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DemonstratedIncreaseOfHemoglobinInPatientsWithMashAndT2d_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Demonstrated Increase of Hemoglobin in Patients With MASH And T2D</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DemonstratedIncreaseOfHemoglobinInPatientsWithMashAndT2d_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of increase observed in the placebo arm</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DemonstratedReductionOfHepaticSteatosisMeasuredByMriPdff" xlink:label="iva_DemonstratedReductionOfHepaticSteatosisMeasuredByMriPdff" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DemonstratedReductionOfHepaticSteatosisMeasuredByMriPdff" xlink:to="iva_DemonstratedReductionOfHepaticSteatosisMeasuredByMriPdff_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DemonstratedReductionOfHepaticSteatosisMeasuredByMriPdff_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of reduction in Hepatic Steatosis measured by MRI-PDFF.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DemonstratedReductionOfHepaticSteatosisMeasuredByMriPdff_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Demonstrated Reduction Of Hepatic Steatosis Measured By MRI-PDFF</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DemonstratedReductionOfHepaticSteatosisMeasuredByMriPdff_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reduction in hepatic steatosis (in percent)</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PercentageOfPatientsTreatedInTrial" xlink:label="iva_PercentageOfPatientsTreatedInTrial" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PercentageOfPatientsTreatedInTrial" xlink:to="iva_PercentageOfPatientsTreatedInTrial_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PercentageOfPatientsTreatedInTrial_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of patients treated in this trial.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PercentageOfPatientsTreatedInTrial_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Patients Treated in The Trial</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_PercentageOfPatientsTreatedInTrial_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of patients treated in trial</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DemonstratedSignificantRelativeReductionInVatSatRatioInPatients" xlink:label="iva_DemonstratedSignificantRelativeReductionInVatSatRatioInPatients" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DemonstratedSignificantRelativeReductionInVatSatRatioInPatients" xlink:to="iva_DemonstratedSignificantRelativeReductionInVatSatRatioInPatients_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DemonstratedSignificantRelativeReductionInVatSatRatioInPatients_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of significant relative reduction in VAT / SAT ratio in patients.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DemonstratedSignificantRelativeReductionInVatSatRatioInPatients_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Demonstrated Significant Relative Reduction in VAT/SAT Ratio in Patients</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DemonstratedSignificantRelativeReductionInVatSatRatioInPatients_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Significant relative reduction in VAT/SAT ratio (in percent)</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_TreatmentPeriodUnderStudy" xlink:label="iva_TreatmentPeriodUnderStudy" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_TreatmentPeriodUnderStudy" xlink:to="iva_TreatmentPeriodUnderStudy_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_TreatmentPeriodUnderStudy_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Treatment period under study</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_TreatmentPeriodUnderStudy_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Treatment period under study</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfPatientsRandomizedForTreatment" xlink:label="iva_NumberOfPatientsRandomizedForTreatment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfPatientsRandomizedForTreatment" xlink:to="iva_NumberOfPatientsRandomizedForTreatment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfPatientsRandomizedForTreatment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of patients randomized for treatment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfPatientsRandomizedForTreatment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Patients Randomized For Treatment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfPatientsRandomizedForTreatment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of patients randomized</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfPatientsToBeTreatedForFortyEightWeeks" xlink:label="iva_NumberOfPatientsToBeTreatedForFortyEightWeeks" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfPatientsToBeTreatedForFortyEightWeeks" xlink:to="iva_NumberOfPatientsToBeTreatedForFortyEightWeeks_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfPatientsToBeTreatedForFortyEightWeeks_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of patients to be treated for 48 weeks.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfPatientsToBeTreatedForFortyEightWeeks_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Patients to Be Treated For Forty Eight Weeks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfPatientsToBeTreatedForFortyEightWeeks_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of patients to be treated for 48 weeks</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfPatientsToBeTreatedForSeventyTwoWeeks" xlink:label="iva_NumberOfPatientsToBeTreatedForSeventyTwoWeeks" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfPatientsToBeTreatedForSeventyTwoWeeks" xlink:to="iva_NumberOfPatientsToBeTreatedForSeventyTwoWeeks_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfPatientsToBeTreatedForSeventyTwoWeeks_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of patients to be treated for 72 weeks.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfPatientsToBeTreatedForSeventyTwoWeeks_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Patients to Be Treated For Seventy Two Weeks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfPatientsToBeTreatedForSeventyTwoWeeks_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of patients to be treated for 72 weeks</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DrawdownOfBorrowingsMember" xlink:label="iva_DrawdownOfBorrowingsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DrawdownOfBorrowingsMember" xlink:to="iva_DrawdownOfBorrowingsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DrawdownOfBorrowingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for drawdown of borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DrawdownOfBorrowingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Drawdown of borrowings [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DrawdownOfBorrowingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Drawdown of borrowings</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_WarrantAgreementWithEuropeanInvestmentBankMember" xlink:label="iva_WarrantAgreementWithEuropeanInvestmentBankMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_WarrantAgreementWithEuropeanInvestmentBankMember" xlink:to="iva_WarrantAgreementWithEuropeanInvestmentBankMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_WarrantAgreementWithEuropeanInvestmentBankMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Warrant agreement with the European Investment Bank.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_WarrantAgreementWithEuropeanInvestmentBankMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrant Agreement With The European Investment Bank [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_WarrantAgreementWithEuropeanInvestmentBankMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrant agreement with the European Investment Bank</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Nativ3PhaseIiiTrialOfLanifibranorInNonCirrhoticNashMember" xlink:label="iva_Nativ3PhaseIiiTrialOfLanifibranorInNonCirrhoticNashMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Nativ3PhaseIiiTrialOfLanifibranorInNonCirrhoticNashMember" xlink:to="iva_Nativ3PhaseIiiTrialOfLanifibranorInNonCirrhoticNashMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Nativ3PhaseIiiTrialOfLanifibranorInNonCirrhoticNashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to the NATiV3 Phase III trial of lanifibranor in non-cirrhotic NASH</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Nativ3PhaseIiiTrialOfLanifibranorInNonCirrhoticNashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NATiV3 Phase III trial of lanifibranor in non-cirrhotic NASH [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_Nativ3PhaseIiiTrialOfLanifibranorInNonCirrhoticNashMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NATiV3 Phase III trial of lanifibranor in non-cirrhotic NASH</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories of financial liabilities [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialLiabilitiesCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesCategoryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesCategoryMember" xlink:to="ifrs-full_FinancialLiabilitiesCategoryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities, category [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:to="ifrs-full_FinancialLiabilitiesAtAmortisedCostMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCostMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities at amortised cost, class [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCostMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities at amortized cost</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfWarrantsIssued" xlink:label="iva_NumberOfWarrantsIssued" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfWarrantsIssued" xlink:to="iva_NumberOfWarrantsIssued_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfWarrantsIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of warrants issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfWarrantsIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of warrants issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfWarrantsIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of warrants issued</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PercentageOfCompanySShareCapitalOutstandingIssuedAsWarrants" xlink:label="iva_PercentageOfCompanySShareCapitalOutstandingIssuedAsWarrants" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PercentageOfCompanySShareCapitalOutstandingIssuedAsWarrants" xlink:to="iva_PercentageOfCompanySShareCapitalOutstandingIssuedAsWarrants_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PercentageOfCompanySShareCapitalOutstandingIssuedAsWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Company's share capital outstanding, issued as warrants by the entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PercentageOfCompanySShareCapitalOutstandingIssuedAsWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage Of Company's Share Capital Outstanding, Issued As Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_PercentageOfCompanySShareCapitalOutstandingIssuedAsWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of company's share capital outstanding, issued as warrants</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PercentageOfShareCapitalHeldByCounterpartyIfAllOutstandingWarrantsAreExercised" xlink:label="iva_PercentageOfShareCapitalHeldByCounterpartyIfAllOutstandingWarrantsAreExercised" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PercentageOfShareCapitalHeldByCounterpartyIfAllOutstandingWarrantsAreExercised" xlink:to="iva_PercentageOfShareCapitalHeldByCounterpartyIfAllOutstandingWarrantsAreExercised_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PercentageOfShareCapitalHeldByCounterpartyIfAllOutstandingWarrantsAreExercised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of share capital held by counterparty if all outstanding warrants are exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PercentageOfShareCapitalHeldByCounterpartyIfAllOutstandingWarrantsAreExercised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of share capital held by counterparty if all outstanding warrants are exercised</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" xlink:label="iva_IfrsClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" xlink:to="iva_IfrsClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercise price per share or per unit of warrants or rights outstanding.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Class of Warrant or Right, Exercise Price of Warrants or Rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IfrsClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercise price of warrant</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ClassOfWarrantOrRightExercisePriceOfWarrantsAsPercentageOfVolumeWeightedAveragePriceOfCompanySShares" xlink:label="iva_ClassOfWarrantOrRightExercisePriceOfWarrantsAsPercentageOfVolumeWeightedAveragePriceOfCompanySShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ClassOfWarrantOrRightExercisePriceOfWarrantsAsPercentageOfVolumeWeightedAveragePriceOfCompanySShares" xlink:to="iva_ClassOfWarrantOrRightExercisePriceOfWarrantsAsPercentageOfVolumeWeightedAveragePriceOfCompanySShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ClassOfWarrantOrRightExercisePriceOfWarrantsAsPercentageOfVolumeWeightedAveragePriceOfCompanySShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercise price of warrants issued, represented as a percentage of volume-weighted average price of the Company's shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ClassOfWarrantOrRightExercisePriceOfWarrantsAsPercentageOfVolumeWeightedAveragePriceOfCompanySShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Class Of Warrant Or Right, Exercise Price Of Warrants As A Percentage Of Volume-Weighted Average Price Of The Company's Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ClassOfWarrantOrRightExercisePriceOfWarrantsAsPercentageOfVolumeWeightedAveragePriceOfCompanySShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercise price of warrants as a percentage of volume-weighted average price of the Company's shares</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ClassOfWarrantOrRightMaturityTerm" xlink:label="iva_ClassOfWarrantOrRightMaturityTerm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ClassOfWarrantOrRightMaturityTerm" xlink:to="iva_ClassOfWarrantOrRightMaturityTerm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ClassOfWarrantOrRightMaturityTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maturity term of the warrants issued by the entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ClassOfWarrantOrRightMaturityTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Class Of Warrant Or Right, Maturity Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ClassOfWarrantOrRightMaturityTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maturity term of warrants</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_WarrantsTerm" xlink:label="iva_WarrantsTerm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_WarrantsTerm" xlink:to="iva_WarrantsTerm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_WarrantsTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Term of warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_WarrantsTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrants Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_WarrantsTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Term of warrants</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_SharesIssuableUponExerciseOfWarrants" xlink:label="iva_SharesIssuableUponExerciseOfWarrants" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_SharesIssuableUponExerciseOfWarrants" xlink:to="iva_SharesIssuableUponExerciseOfWarrants_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_SharesIssuableUponExerciseOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shares issuable upon exercise of warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_SharesIssuableUponExerciseOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shares Issuable Upon Exercise of Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_SharesIssuableUponExerciseOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shares issuable upon exercise of warrants</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_MaximumGrossProceedsReceivableUponExerciseOfWarrants" xlink:label="iva_MaximumGrossProceedsReceivableUponExerciseOfWarrants" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_MaximumGrossProceedsReceivableUponExerciseOfWarrants" xlink:to="iva_MaximumGrossProceedsReceivableUponExerciseOfWarrants_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_MaximumGrossProceedsReceivableUponExerciseOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The maximum gross proceeds from receivable upon exercise of warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_MaximumGrossProceedsReceivableUponExerciseOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum Gross Proceeds Receivable upon Exercise of Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_MaximumGrossProceedsReceivableUponExerciseOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum gross proceeds</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_AmountInvoicedToCounterpartyForInitialPayment" xlink:label="iva_AmountInvoicedToCounterpartyForInitialPayment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_AmountInvoicedToCounterpartyForInitialPayment" xlink:to="iva_AmountInvoicedToCounterpartyForInitialPayment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_AmountInvoicedToCounterpartyForInitialPayment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This amount represents the information of invoiced to counterparty for initial payment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_AmountInvoicedToCounterpartyForInitialPayment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount Invoiced To Counterparty For Initial Payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_AmountInvoicedToCounterpartyForInitialPayment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount invoiced to counterparty for milestone payment</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:label="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:to="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Class of Warrant or Right, Number of Securities Called by Each Warrant or Right</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares per warrant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_IfrsClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares per instrument</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BorrowingsInterestRate" xlink:label="ifrs-full_BorrowingsInterestRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsInterestRate" xlink:to="ifrs-full_BorrowingsInterestRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsInterestRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings, interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BorrowingsInterestRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest rate</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsDebtInstrumentTerm" xlink:label="iva_IfrsDebtInstrumentTerm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsDebtInstrumentTerm" xlink:to="iva_IfrsDebtInstrumentTerm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsDebtInstrumentTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsDebtInstrumentTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Debt Instrument, Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_IfrsDebtInstrumentTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maturity term after the disbursement of the tranche</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOfCompanyOrThroughReceiptOfUpfrontOrMilestonePayments" xlink:label="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOfCompanyOrThroughReceiptOfUpfrontOrMilestonePayments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOfCompanyOrThroughReceiptOfUpfrontOrMilestonePayments" xlink:to="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOfCompanyOrThroughReceiptOfUpfrontOrMilestonePayments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOfCompanyOrThroughReceiptOfUpfrontOrMilestonePayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate amount to be received by the company, either in exchange for new shares of the Company or through the receipt of upfront or milestone payments, pursuant to the debt arrangement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOfCompanyOrThroughReceiptOfUpfrontOrMilestonePayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate Amount To Be Received Either In Exchange For New Shares Of The Company Or Through The Receipt Of Upfront Or Milestone Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOfCompanyOrThroughReceiptOfUpfrontOrMilestonePayments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate amount to be received under the conditions precedent to the EIB Financing</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_MinimumUpfrontPaymentsForOutLicensingPartnershipOrRoyaltyTransaction" xlink:label="iva_MinimumUpfrontPaymentsForOutLicensingPartnershipOrRoyaltyTransaction" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_MinimumUpfrontPaymentsForOutLicensingPartnershipOrRoyaltyTransaction" xlink:to="iva_MinimumUpfrontPaymentsForOutLicensingPartnershipOrRoyaltyTransaction_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_MinimumUpfrontPaymentsForOutLicensingPartnershipOrRoyaltyTransaction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of minimum upfront payments for out-licensing, partnership or royalty transaction.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_MinimumUpfrontPaymentsForOutLicensingPartnershipOrRoyaltyTransaction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum Upfront Payments For Out-Licensing, Partnership Or Royalty Transaction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_MinimumUpfrontPaymentsForOutLicensingPartnershipOrRoyaltyTransaction_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum upfront payments for out-licensing, partnership or royalty transaction</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfSitesOperatingUnderCentralIrbOverseeing" xlink:label="iva_NumberOfSitesOperatingUnderCentralIrbOverseeing" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfSitesOperatingUnderCentralIrbOverseeing" xlink:to="iva_NumberOfSitesOperatingUnderCentralIrbOverseeing_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfSitesOperatingUnderCentralIrbOverseeing_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of sites operating under central IRB overseeing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfSitesOperatingUnderCentralIrbOverseeing_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of sites operating under central IRB overseeing</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PercentageOfPatientsRandomizedInMainCohort" xlink:label="iva_PercentageOfPatientsRandomizedInMainCohort" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PercentageOfPatientsRandomizedInMainCohort" xlink:to="iva_PercentageOfPatientsRandomizedInMainCohort_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PercentageOfPatientsRandomizedInMainCohort_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of patients randomized in the main cohort</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PercentageOfPatientsRandomizedInMainCohort_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of patients randomized in the main cohort</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of subsidiaries [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="ifrs-full_SignificantInvestmentsInSubsidiariesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subsidiaries [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EntitysTotalForSubsidiariesMember" xlink:label="ifrs-full_EntitysTotalForSubsidiariesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ifrs-full_EntitysTotalForSubsidiariesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EntitysTotalForSubsidiariesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity's total for subsidiaries [member]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_InventivaIncMember" xlink:label="iva_InventivaIncMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_InventivaIncMember" xlink:to="iva_InventivaIncMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_InventivaIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Inventiva Inc, U.S. affiliate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_InventivaIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventiva Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_InventivaIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventiva Inc.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Associates [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EntitysTotalForAssociatesMember" xlink:label="ifrs-full_EntitysTotalForAssociatesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ifrs-full_EntitysTotalForAssociatesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EntitysTotalForAssociatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity's total for associates [member]</label>
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    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfEntitiesBeingConsolidated" xlink:label="iva_NumberOfEntitiesBeingConsolidated" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfEntitiesBeingConsolidated_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of entities being consolidated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfEntitiesBeingConsolidated_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of entities being consolidated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfEntitiesBeingConsolidated_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of entities being consolidated</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:label="ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProportionOfOwnershipInterestInSubsidiary_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proportion of ownership interest in subsidiary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProportionOfOwnershipInterestInSubsidiary_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percent of ownership interest</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NoncontrollingInterests" xlink:label="ifrs-full_NoncontrollingInterests" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncontrollingInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-controlling interest</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proportion of ownership interest in associate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Group's share in %</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proportion of ownership interest</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ForeignExchangeRatesAbstract" xlink:label="ifrs-full_ForeignExchangeRatesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ForeignExchangeRatesAbstract" xlink:to="ifrs-full_ForeignExchangeRatesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ForeignExchangeRatesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange rate (USD per EUR)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AverageForeignExchangeRate" xlink:label="ifrs-full_AverageForeignExchangeRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AverageForeignExchangeRate" xlink:to="ifrs-full_AverageForeignExchangeRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AverageForeignExchangeRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Average foreign exchange rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AverageForeignExchangeRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Average exchange rate for the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClosingForeignExchangeRate" xlink:label="ifrs-full_ClosingForeignExchangeRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClosingForeignExchangeRate" xlink:to="ifrs-full_ClosingForeignExchangeRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClosingForeignExchangeRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Closing foreign exchange rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClosingForeignExchangeRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange rate at period end</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about financial instruments [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="ifrs-full_LevelsOfFairValueHierarchyAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Levels of fair value hierarchy [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:label="ifrs-full_AllLevelsOfFairValueHierarchyMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:to="ifrs-full_AllLevelsOfFairValueHierarchyMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AllLevelsOfFairValueHierarchyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">All levels of fair value hierarchy [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Level3OfFairValueHierarchyMember" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Level3OfFairValueHierarchyMember" xlink:to="ifrs-full_Level3OfFairValueHierarchyMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Level 3</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="ifrs-full_CategoriesOfFinancialAssetsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories of financial assets [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialAssetsCategoryMember" xlink:label="ifrs-full_FinancialAssetsCategoryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsCategoryMember" xlink:to="ifrs-full_FinancialAssetsCategoryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets, category [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets carried at fair value through profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets carried at fair value through profit or loss</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities at fair value through profit or loss, category [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities carried at fair value through profit or loss</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of financial liabilities [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialLiabilitiesMember" xlink:label="ifrs-full_FinancialLiabilitiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ifrs-full_FinancialLiabilitiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities, class [member]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LongTermFinancialDebtDerivativesMember" xlink:label="iva_LongTermFinancialDebtDerivativesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LongTermFinancialDebtDerivativesMember" xlink:to="iva_LongTermFinancialDebtDerivativesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LongTermFinancialDebtDerivativesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Long-term financial debt, derivatives.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LongTermFinancialDebtDerivativesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LongTermFinancialDebtDerivativesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term financial debt - derivatives</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about financial instruments [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Foreign currency forwards contract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets and liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialLiabilities" xlink:label="ifrs-full_FinancialLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilities" xlink:to="ifrs-full_FinancialLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BankOverdraftsClassifiedAsCashEquivalents" xlink:label="ifrs-full_BankOverdraftsClassifiedAsCashEquivalents" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BankOverdraftsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank overdrafts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_BankOverdraftsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank overdrafts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BankOverdraftsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank overdrafts inclusive of cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about intangible assets [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_CarryingAmountMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CarryingAmountMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carrying amount [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GrossCarryingAmountMember" xlink:to="ifrs-full_GrossCarryingAmountMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GrossCarryingAmountMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GrossCarryingAmountMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Laboratory inventories</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:label="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:to="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accumulated depreciation, amortisation and impairment [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation and impairment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about intangible assets [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intangible Assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:to="ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reconciliation of changes in intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intangible assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about property, plant and equipment [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of property, plant and equipment [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PropertyPlantAndEquipmentMember" xlink:label="ifrs-full_PropertyPlantAndEquipmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ifrs-full_PropertyPlantAndEquipmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PropertyPlantAndEquipmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ConstructionInProgressMember" xlink:label="ifrs-full_ConstructionInProgressMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ConstructionInProgressMember" xlink:to="ifrs-full_ConstructionInProgressMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ConstructionInProgressMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, plant and equipment in progress</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about property, plant and equipment [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Property, Plant and Equipment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:to="ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reconciliation of changes in property, plant and equipment [abstract]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_FibroscanMachinesMember" xlink:label="iva_FibroscanMachinesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_FibroscanMachinesMember" xlink:to="iva_FibroscanMachinesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_FibroscanMachinesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for fibroscan machines.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_FibroscanMachinesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fibroscan machines</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RightofuseAssetsMember" xlink:label="ifrs-full_RightofuseAssetsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RightofuseAssetsMember" xlink:to="ifrs-full_RightofuseAssetsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RightofuseAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Right of use</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ChangesInPropertyPlantAndEquipment" xlink:label="ifrs-full_ChangesInPropertyPlantAndEquipment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ChangesInPropertyPlantAndEquipment" xlink:to="ifrs-full_ChangesInPropertyPlantAndEquipment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ChangesInPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ChangesInPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase in net value of property, plant and equipment</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdditionsToRightofuseAssets" xlink:label="ifrs-full_AdditionsToRightofuseAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdditionsToRightofuseAssets" xlink:to="ifrs-full_AdditionsToRightofuseAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdditionsToRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additions To Right of use Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdditionsToRightofuseAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Additions to right-of-use assets</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IncreasesInPropertyPlantAndEquipment" xlink:label="iva_IncreasesInPropertyPlantAndEquipment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IncreasesInPropertyPlantAndEquipment" xlink:to="iva_IncreasesInPropertyPlantAndEquipment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IncreasesInPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of increases in property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IncreasesInPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increases in property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IncreasesInPropertyPlantAndEquipment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increases</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of associates [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Legal Entity [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityDomain" xlink:to="dei_EntityDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity [Domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial information [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments accounted for using the equity method</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfSharesAcquiredInAssociate" xlink:label="iva_NumberOfSharesAcquiredInAssociate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfSharesAcquiredInAssociate" xlink:to="iva_NumberOfSharesAcquiredInAssociate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfSharesAcquiredInAssociate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares acquired in associate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfSharesAcquiredInAssociate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares acquired in associate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfSharesAcquiredInAssociate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares acquired in associate</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProceedsFromIssuingShares" xlink:label="ifrs-full_ProceedsFromIssuingShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromIssuingShares" xlink:to="ifrs-full_ProceedsFromIssuingShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromIssuingShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds from issuing shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromIssuingShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capital increase</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NonCurrentAssetsExcludingDeferredAssets" xlink:label="iva_NonCurrentAssetsExcludingDeferredAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NonCurrentAssetsExcludingDeferredAssets" xlink:to="iva_NonCurrentAssetsExcludingDeferredAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NonCurrentAssetsExcludingDeferredAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current assets excluding deferred assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NonCurrentAssetsExcludingDeferredAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current assets excluding deferred assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="iva_NonCurrentAssetsExcludingDeferredAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total non-current assets</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_CurrentAssetsExcludingDeferredAssets" xlink:label="iva_CurrentAssetsExcludingDeferredAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_CurrentAssetsExcludingDeferredAssets" xlink:to="iva_CurrentAssetsExcludingDeferredAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_CurrentAssetsExcludingDeferredAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current assets excluding deferred assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_CurrentAssetsExcludingDeferredAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current assets excluding deferred assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="iva_CurrentAssetsExcludingDeferredAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total current assets</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DeferredAssets" xlink:label="iva_DeferredAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DeferredAssets" xlink:to="iva_DeferredAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DeferredAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DeferredAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deferred assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CapitalReserve" xlink:label="ifrs-full_CapitalReserve" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CapitalReserve" xlink:to="ifrs-full_CapitalReserve_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CapitalReserve_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capital reserve</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CapitalReserve_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capital reserve</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_CapitalSurplusOthers" xlink:label="iva_CapitalSurplusOthers" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_CapitalSurplusOthers" xlink:to="iva_CapitalSurplusOthers_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_CapitalSurplusOthers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">A component of equity representing the capital surplus-others.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_CapitalSurplusOthers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capital Surplus Others</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_CapitalSurplusOthers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capital surplus-others</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RetainedEarningsExcludingProfitLossForReportingPeriod" xlink:label="ifrs-full_RetainedEarningsExcludingProfitLossForReportingPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetainedEarningsExcludingProfitLossForReportingPeriod" xlink:to="ifrs-full_RetainedEarningsExcludingProfitLossForReportingPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetainedEarningsExcludingProfitLossForReportingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retained earnings, excluding profit (loss) for reporting period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_RetainedEarningsExcludingProfitLossForReportingPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Earnings brought forward</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TreasuryShares" xlink:label="ifrs-full_TreasuryShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TreasuryShares" xlink:to="ifrs-full_TreasuryShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TreasuryShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Treasury shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_TreasuryShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Treasury Shares</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherComprehensiveIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other comprehensive income</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IncreaseDecreaseThroughCapitalVariations" xlink:label="iva_IncreaseDecreaseThroughCapitalVariations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IncreaseDecreaseThroughCapitalVariations" xlink:to="iva_IncreaseDecreaseThroughCapitalVariations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IncreaseDecreaseThroughCapitalVariations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through capital variations, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IncreaseDecreaseThroughCapitalVariations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) through capital variations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IncreaseDecreaseThroughCapitalVariations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capital variations</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_EntitySShareOfNetAssetsInInvestmentsAccountedForUsingEquityMethod" xlink:label="iva_EntitySShareOfNetAssetsInInvestmentsAccountedForUsingEquityMethod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_EntitySShareOfNetAssetsInInvestmentsAccountedForUsingEquityMethod" xlink:to="iva_EntitySShareOfNetAssetsInInvestmentsAccountedForUsingEquityMethod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_EntitySShareOfNetAssetsInInvestmentsAccountedForUsingEquityMethod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity's share of net assets in investments accounted for using the equity method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_EntitySShareOfNetAssetsInInvestmentsAccountedForUsingEquityMethod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity's share of net assets in investments accounted for using the equity method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_EntitySShareOfNetAssetsInInvestmentsAccountedForUsingEquityMethod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Group's share</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IntercompanyEliminationsInAssociates" xlink:label="iva_IntercompanyEliminationsInAssociates" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IntercompanyEliminationsInAssociates" xlink:to="iva_IntercompanyEliminationsInAssociates_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IntercompanyEliminationsInAssociates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of intercompany eliminations in associates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IntercompanyEliminationsInAssociates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Intercompany Eliminations in Associates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_IntercompanyEliminationsInAssociates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Elimination of unrealised profit on downstream sales</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Goodwill" xlink:label="ifrs-full_Goodwill" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Goodwill" xlink:to="ifrs-full_Goodwill_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Goodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Goodwill_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Goodwill</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NonCurrentLongTermDepositsFromCustomers" xlink:label="iva_NonCurrentLongTermDepositsFromCustomers" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NonCurrentLongTermDepositsFromCustomers" xlink:to="iva_NonCurrentLongTermDepositsFromCustomers_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NonCurrentLongTermDepositsFromCustomers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">It represents information about non current long term deposits from customers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NonCurrentLongTermDepositsFromCustomers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non Current Long Term Deposits From Customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NonCurrentLongTermDepositsFromCustomers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Longterm deposit accounts</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NonCurrentAdvancesToSuppliers" xlink:label="iva_NonCurrentAdvancesToSuppliers" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NonCurrentAdvancesToSuppliers" xlink:to="iva_NonCurrentAdvancesToSuppliers_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NonCurrentAdvancesToSuppliers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount represents the non current advances of suppliers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NonCurrentAdvancesToSuppliers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non Current Advances To Suppliers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NonCurrentAdvancesToSuppliers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Advance payments - non-current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_NonCurrentAdvancesToSuppliers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current advances to suppliers</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NonCurrentSecurityDeposits" xlink:label="iva_NonCurrentSecurityDeposits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NonCurrentSecurityDeposits" xlink:to="iva_NonCurrentSecurityDeposits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NonCurrentSecurityDeposits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The non-current amount of security deposits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NonCurrentSecurityDeposits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Non-current Security Deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NonCurrentSecurityDeposits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Security deposits</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OtherNonCurrentAssetsTable" xlink:label="iva_OtherNonCurrentAssetsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OtherNonCurrentAssetsTable" xlink:to="iva_OtherNonCurrentAssetsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OtherNonCurrentAssetsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule disclosing information related to other non-current assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OtherNonCurrentAssetsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Non Current Assets [Table]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ContractCroWithPharmaceuticalResearchAssociatesB.vMember" xlink:label="iva_ContractCroWithPharmaceuticalResearchAssociatesB.vMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ContractCroWithPharmaceuticalResearchAssociatesB.vMember" xlink:to="iva_ContractCroWithPharmaceuticalResearchAssociatesB.vMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ContractCroWithPharmaceuticalResearchAssociatesB.vMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to Contract CRO with PRA.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ContractCroWithPharmaceuticalResearchAssociatesB.vMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contract CRO With Pharmaceutical Research Associates B.V [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ContractCroWithPharmaceuticalResearchAssociatesB.vMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contract CRO with Pharmaceutical Research Associates B.V.</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OtherNonCurrentAssetsLineItems" xlink:label="iva_OtherNonCurrentAssetsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OtherNonCurrentAssetsLineItems" xlink:to="iva_OtherNonCurrentAssetsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OtherNonCurrentAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OtherNonCurrentAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Non Current Assets [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_OtherNonCurrentAssetsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Non Current Assets</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IncreaseDecreaseInLongTermDepositAccounts" xlink:label="iva_IncreaseDecreaseInLongTermDepositAccounts" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IncreaseDecreaseInLongTermDepositAccounts" xlink:to="iva_IncreaseDecreaseInLongTermDepositAccounts_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IncreaseDecreaseInLongTermDepositAccounts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in long-term deposit accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IncreaseDecreaseInLongTermDepositAccounts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in long-term deposit accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IncreaseDecreaseInLongTermDepositAccounts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in long-term deposit accounts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LongtermDeposits" xlink:label="ifrs-full_LongtermDeposits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LongtermDeposits" xlink:to="ifrs-full_LongtermDeposits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LongtermDeposits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term deposits</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LongTermDepositsTerm" xlink:label="iva_LongTermDepositsTerm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LongTermDepositsTerm" xlink:to="iva_LongTermDepositsTerm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LongTermDepositsTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Term of the long-term deposits of the entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LongTermDepositsTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-Term Deposits Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LongTermDepositsTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period of long-term deposit</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ScheduleOfInventoryDisclosureTable" xlink:label="iva_ScheduleOfInventoryDisclosureTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ScheduleOfInventoryDisclosureTable" xlink:to="iva_ScheduleOfInventoryDisclosureTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ScheduleOfInventoryDisclosureTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule disclosing information related to inventories.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ScheduleOfInventoryDisclosureTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Inventory Disclosure [Table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AccumulatedImpairmentMember" xlink:label="ifrs-full_AccumulatedImpairmentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AccumulatedImpairmentMember" xlink:to="ifrs-full_AccumulatedImpairmentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AccumulatedImpairmentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories write-down</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ScheduleOfInventoryDisclosureLineItems" xlink:label="iva_ScheduleOfInventoryDisclosureLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ScheduleOfInventoryDisclosureLineItems" xlink:to="iva_ScheduleOfInventoryDisclosureLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ScheduleOfInventoryDisclosureLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ScheduleOfInventoryDisclosureLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Inventory Disclosure [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ScheduleOfInventoryDisclosureLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventories</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_TradeReceivablesAndOtherCurrentAssetsAndReceivablesTable" xlink:label="iva_TradeReceivablesAndOtherCurrentAssetsAndReceivablesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_TradeReceivablesAndOtherCurrentAssetsAndReceivablesTable" xlink:to="iva_TradeReceivablesAndOtherCurrentAssetsAndReceivablesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_TradeReceivablesAndOtherCurrentAssetsAndReceivablesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule disclosing information related to trade receivables and other current assets and receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_TradeReceivablesAndOtherCurrentAssetsAndReceivablesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade Receivables and Other Current Assets and Receivables [Table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_MaturityAxis" xlink:label="ifrs-full_MaturityAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_MaturityAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MaturityAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maturity [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AggregatedTimeBandsMember" xlink:label="ifrs-full_AggregatedTimeBandsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_AggregatedTimeBandsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AggregatedTimeBandsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregated time bands [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NotLaterThanThreeMonthsMember" xlink:label="ifrs-full_NotLaterThanThreeMonthsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotLaterThanThreeMonthsMember" xlink:to="ifrs-full_NotLaterThanThreeMonthsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NotLaterThanThreeMonthsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">3 months or less</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_TradeReceivablesAndOtherCurrentAssetsAndReceivablesLineItems" xlink:label="iva_TradeReceivablesAndOtherCurrentAssetsAndReceivablesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_TradeReceivablesAndOtherCurrentAssetsAndReceivablesLineItems" xlink:to="iva_TradeReceivablesAndOtherCurrentAssetsAndReceivablesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_TradeReceivablesAndOtherCurrentAssetsAndReceivablesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_TradeReceivablesAndOtherCurrentAssetsAndReceivablesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade Receivables and Other Current Assets and Receivables [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_TradeReceivablesAndOtherCurrentAssetsAndReceivablesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade receivables, tax receivables and other current assets</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LicensingAndCollaborationAgreementWithCttqMember" xlink:label="iva_LicensingAndCollaborationAgreementWithCttqMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LicensingAndCollaborationAgreementWithCttqMember" xlink:to="iva_LicensingAndCollaborationAgreementWithCttqMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LicensingAndCollaborationAgreementWithCttqMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to Licensing and collaboration agreement with CTTQ.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LicensingAndCollaborationAgreementWithCttqMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Licensing and collaboration agreement with CTTQ [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LicensingAndCollaborationAgreementWithCttqMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Licensing and collaboration agreement with CTTQ</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_CirAndOtherResearchTaxCreditsReceivable" xlink:label="iva_CirAndOtherResearchTaxCreditsReceivable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_CirAndOtherResearchTaxCreditsReceivable" xlink:to="iva_CirAndOtherResearchTaxCreditsReceivable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_CirAndOtherResearchTaxCreditsReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of CIR and other research tax credits receivable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_CirAndOtherResearchTaxCreditsReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CIR and Other Research Tax Credits Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_CirAndOtherResearchTaxCreditsReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CIR and other research tax credits receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_CirAndOtherResearchTaxCreditsReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax research credit</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OtherCurrentTaxReceivables" xlink:label="iva_OtherCurrentTaxReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OtherCurrentTaxReceivables" xlink:to="iva_OtherCurrentTaxReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OtherCurrentTaxReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of other tax receivables, classified as current.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OtherCurrentTaxReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Current Tax Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_OtherCurrentTaxReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentPrepaidExpenses" xlink:label="ifrs-full_CurrentPrepaidExpenses" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentPrepaidExpenses" xlink:to="ifrs-full_CurrentPrepaidExpenses_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentPrepaidExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current prepaid expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentPrepaidExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Prepaid expenses</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ShortTermDepositAccountsCurrent" xlink:label="iva_ShortTermDepositAccountsCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ShortTermDepositAccountsCurrent" xlink:to="iva_ShortTermDepositAccountsCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ShortTermDepositAccountsCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of short term deposits accounts, classified as current.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ShortTermDepositAccountsCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Short-Term Deposit Accounts, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ShortTermDepositAccountsCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Short-term deposit accounts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentAccruedIncomeIncludingCurrentContractAssets" xlink:label="ifrs-full_CurrentAccruedIncomeIncludingCurrentContractAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAccruedIncomeIncludingCurrentContractAssets" xlink:to="ifrs-full_CurrentAccruedIncomeIncludingCurrentContractAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAccruedIncomeIncludingCurrentContractAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current accrued income including current contract assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentAccruedIncomeIncludingCurrentContractAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current accrued income</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_CashUnderLiquidityAgreementCurrent" xlink:label="iva_CashUnderLiquidityAgreementCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_CashUnderLiquidityAgreementCurrent" xlink:to="iva_CashUnderLiquidityAgreementCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_CashUnderLiquidityAgreementCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of cash under liquidity agreement, classified as current.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_CashUnderLiquidityAgreementCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash Under Liquidity Agreement, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_CashUnderLiquidityAgreementCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liquidity agreement - Cash</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_SalesTaxReceivableCurrent" xlink:label="iva_SalesTaxReceivableCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_SalesTaxReceivableCurrent" xlink:to="iva_SalesTaxReceivableCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_SalesTaxReceivableCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of sales tax receivables, classified as current.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_SalesTaxReceivableCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales Tax Receivable, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_SalesTaxReceivableCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Sales tax receivable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherCurrentReceivables" xlink:label="ifrs-full_OtherCurrentReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentReceivables" xlink:to="ifrs-full_OtherCurrentReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other receivables</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OtherCurrentAssetsAndReceivables" xlink:label="iva_OtherCurrentAssetsAndReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OtherCurrentAssetsAndReceivables" xlink:to="iva_OtherCurrentAssetsAndReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OtherCurrentAssetsAndReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of other current assets and receivables as of balance sheet date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OtherCurrentAssetsAndReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Current Assets And Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="iva_OtherCurrentAssetsAndReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current assets and receivables</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IncreaseDecreaseInShortTermDepositAccounts" xlink:label="iva_IncreaseDecreaseInShortTermDepositAccounts" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IncreaseDecreaseInShortTermDepositAccounts" xlink:to="iva_IncreaseDecreaseInShortTermDepositAccounts_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IncreaseDecreaseInShortTermDepositAccounts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of increase (decrease) in short-term deposit accounts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IncreaseDecreaseInShortTermDepositAccounts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) In Short-Term Deposit Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IncreaseDecreaseInShortTermDepositAccounts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase in short-term deposit accounts</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_CurrentTaxCreditResearchCurrentYear" xlink:label="iva_CurrentTaxCreditResearchCurrentYear" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_CurrentTaxCreditResearchCurrentYear" xlink:to="iva_CurrentTaxCreditResearchCurrentYear_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_CurrentTaxCreditResearchCurrentYear_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of tax credit research from current year, classified as current.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_CurrentTaxCreditResearchCurrentYear_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current Tax Credit Research, Current Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_CurrentTaxCreditResearchCurrentYear_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Receivable for current year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_CurrentTaxCreditResearchCurrentYear_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax credits of current year</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IncreaseDecreaseInTradeAndOtherCurrentReceivables" xlink:label="iva_IncreaseDecreaseInTradeAndOtherCurrentReceivables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IncreaseDecreaseInTradeAndOtherCurrentReceivables" xlink:to="iva_IncreaseDecreaseInTradeAndOtherCurrentReceivables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IncreaseDecreaseInTradeAndOtherCurrentReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of increase (decrease) in trade and other current receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IncreaseDecreaseInTradeAndOtherCurrentReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) in Trade and other current receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IncreaseDecreaseInTradeAndOtherCurrentReceivables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade receivables decreased</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_CurrentTradeReceivablesAveragePaymentPeriod" xlink:label="iva_CurrentTradeReceivablesAveragePaymentPeriod" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_CurrentTradeReceivablesAveragePaymentPeriod" xlink:to="iva_CurrentTradeReceivablesAveragePaymentPeriod_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_CurrentTradeReceivablesAveragePaymentPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the average payment period for trade receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_CurrentTradeReceivablesAveragePaymentPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current Trade Receivables, Average Payment Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_CurrentTradeReceivablesAveragePaymentPeriod_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Average payment period for trade receivables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents" xlink:label="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents" xlink:to="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Short-term deposits, classified as cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other cash equivalents</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Cash" xlink:label="ifrs-full_Cash" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Cash" xlink:to="ifrs-full_Cash_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Cash_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Cash_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash at bank and at hand</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of classes of share capital [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of classes of share capital [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shareholders' equity</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ParValuePerShare" xlink:label="ifrs-full_ParValuePerShare" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ParValuePerShare" xlink:to="ifrs-full_ParValuePerShare_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ParValuePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Par value per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ParValuePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Par value of share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ParValuePerShare_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Nominal value</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IssueOfEquity" xlink:label="ifrs-full_IssueOfEquity" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssueOfEquity" xlink:to="ifrs-full_IssueOfEquity_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IssueOfEquity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issue of equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IssueOfEquity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issue of ordinary shares</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:label="ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:to="ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in number of shares outstanding</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LiquidityAgreementTerm" xlink:label="iva_LiquidityAgreementTerm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LiquidityAgreementTerm" xlink:to="iva_LiquidityAgreementTerm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LiquidityAgreementTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of days used to determine liquidity agreement term  in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LiquidityAgreementTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liquidity Agreement Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LiquidityAgreementTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liquidity agreement term</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_BsaShareWarrantsMember" xlink:label="iva_BsaShareWarrantsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_BsaShareWarrantsMember" xlink:to="iva_BsaShareWarrantsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_BsaShareWarrantsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for BSA share warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_BsaShareWarrantsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA share warrants</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Bsa20231ShareWarrantPlanMember" xlink:label="iva_Bsa20231ShareWarrantPlanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Bsa20231ShareWarrantPlanMember" xlink:to="iva_Bsa20231ShareWarrantPlanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Bsa20231ShareWarrantPlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for BSA 2023-1 share warrants plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Bsa20231ShareWarrantPlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA 2023-1 Share Warrant Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_Bsa20231ShareWarrantPlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA 2023 plan</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Bsa20232ShareWarrantPlanMember" xlink:label="iva_Bsa20232ShareWarrantPlanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Bsa20232ShareWarrantPlanMember" xlink:to="iva_Bsa20232ShareWarrantPlanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Bsa20232ShareWarrantPlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for BSA 2023-2 share warrants plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Bsa20232ShareWarrantPlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA 2023-2 Share Warrant Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_Bsa20232ShareWarrantPlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA- 2 2023 plan</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Categories of related parties [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ifrs-full_EntitysTotalForRelatedPartiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity's total for related parties [member]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DirectorsMember" xlink:label="iva_DirectorsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DirectorsMember" xlink:to="iva_DirectorsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DirectorsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to Directors.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DirectorsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Directors</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DirectorsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Directors</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ServiceProvidersMember" xlink:label="iva_ServiceProvidersMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ServiceProvidersMember" xlink:to="iva_ServiceProvidersMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ServiceProvidersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to service providers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ServiceProvidersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Service Providers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ServiceProvidersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Service providers</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DavidNikodemMember" xlink:label="iva_DavidNikodemMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DavidNikodemMember" xlink:to="iva_DavidNikodemMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DavidNikodemMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for David Nikodem, a member of Sapidus Consulting Group LLC, a service provider to the Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DavidNikodemMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">David Nikodem</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DavidNikodemMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">David Nikodem</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_WarrantsSubscriptionPrice" xlink:label="iva_WarrantsSubscriptionPrice" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_WarrantsSubscriptionPrice" xlink:to="iva_WarrantsSubscriptionPrice_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_WarrantsSubscriptionPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The subscription price per warrant.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_WarrantsSubscriptionPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrants, Subscription Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_WarrantsSubscriptionPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription price per share</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average exercise price of other equity instruments granted in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercise price</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of other equity instruments expired in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Instruments lapsed</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NotesToConsolidatedBalanceSheet" xlink:label="iva_NotesToConsolidatedBalanceSheet" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NotesToConsolidatedBalanceSheet" xlink:to="iva_NotesToConsolidatedBalanceSheet_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NotesToConsolidatedBalanceSheet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NotesToConsolidatedBalanceSheet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade payables, short-term contract liabilities and other current liabilities</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_BspcePlansMember" xlink:label="iva_BspcePlansMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_BspcePlansMember" xlink:to="iva_BspcePlansMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_BspcePlansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for BSPCE plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_BspcePlansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSPCE plans</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Bspce2021PlanMember" xlink:label="iva_Bspce2021PlanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Bspce2021PlanMember" xlink:to="iva_Bspce2021PlanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Bspce2021PlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for BSPCE 2021 plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Bspce2021PlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSPCE 2021</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_BsaPlansMember" xlink:label="iva_BsaPlansMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_BsaPlansMember" xlink:to="iva_BsaPlansMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_BsaPlansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for BSA plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_BsaPlansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA plans</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Bsa2017PlanMember" xlink:label="iva_Bsa2017PlanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Bsa2017PlanMember" xlink:to="iva_Bsa2017PlanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Bsa2017PlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for BSA - 2017 plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Bsa2017PlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA - 2017 plan</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Bsa2018PlanMember" xlink:label="iva_Bsa2018PlanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Bsa2018PlanMember" xlink:to="iva_Bsa2018PlanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Bsa2018PlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for BSA - 2018 plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Bsa2018PlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA - 2018 plan</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NewShareWarrantPlansBsa2019Member" xlink:label="iva_NewShareWarrantPlansBsa2019Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NewShareWarrantPlansBsa2019Member" xlink:to="iva_NewShareWarrantPlansBsa2019Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NewShareWarrantPlansBsa2019Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for new share warrant plans ("BSA 2019").</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NewShareWarrantPlansBsa2019Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA 2019</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NewShareWarrantPlansBsa2019BisMember" xlink:label="iva_NewShareWarrantPlansBsa2019BisMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NewShareWarrantPlansBsa2019BisMember" xlink:to="iva_NewShareWarrantPlansBsa2019BisMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NewShareWarrantPlansBsa2019BisMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a new share warrant plan ("BSA 2019 bis).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NewShareWarrantPlansBsa2019BisMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA 2019 bis</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NewShareWarrantPlansBsa2019TerMember" xlink:label="iva_NewShareWarrantPlansBsa2019TerMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NewShareWarrantPlansBsa2019TerMember" xlink:to="iva_NewShareWarrantPlansBsa2019TerMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NewShareWarrantPlansBsa2019TerMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a new share warrant plan ("BSA 2019 ter).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NewShareWarrantPlansBsa2019TerMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA 2019 ter</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NewBsa2021ShareWarrantPlanMember" xlink:label="iva_NewBsa2021ShareWarrantPlanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NewBsa2021ShareWarrantPlanMember" xlink:to="iva_NewBsa2021ShareWarrantPlanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NewBsa2021ShareWarrantPlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for new BSA 2021 share warrant plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NewBsa2021ShareWarrantPlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA 2021</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average exercise price of other equity instruments outstanding in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercise price (in euros)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of other equity instruments outstanding in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Outstanding, Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Outstanding, Beginning balance</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:to="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of other equity instruments granted in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of equity instruments granted</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of other equity instruments exercised or vested in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exercised/Vesting</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of other equity instruments forfeited in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Forfeited/ Lapsed</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of other equity instruments exercisable in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of exercisable shares</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsClassOfWarrantOrRightOutstanding" xlink:label="iva_IfrsClassOfWarrantOrRightOutstanding" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsClassOfWarrantOrRightOutstanding" xlink:to="iva_IfrsClassOfWarrantOrRightOutstanding_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsClassOfWarrantOrRightOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of warrants or rights outstanding.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsClassOfWarrantOrRightOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Class of Warrant or Right, Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IfrsClassOfWarrantOrRightOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of share warrants outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_IfrsClassOfWarrantOrRightOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of BSA outstanding</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_BonusShareAwardPlansMember" xlink:label="iva_BonusShareAwardPlansMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_BonusShareAwardPlansMember" xlink:to="iva_BonusShareAwardPlansMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_BonusShareAwardPlansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for bonus share award plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_BonusShareAwardPlansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bonus Share Award Plans [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_BonusShareAwardPlansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bonus share award plans</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NewBonusShareAwardPlanAga20211Member" xlink:label="iva_NewBonusShareAwardPlanAga20211Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NewBonusShareAwardPlanAga20211Member" xlink:to="iva_NewBonusShareAwardPlanAga20211Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NewBonusShareAwardPlanAga20211Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for New bonus share award plans (AGA 2021-1)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NewBonusShareAwardPlanAga20211Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AGA 2021-1</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NewBonusShareAwardPlanAga2021BisMember" xlink:label="iva_NewBonusShareAwardPlanAga2021BisMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NewBonusShareAwardPlanAga2021BisMember" xlink:to="iva_NewBonusShareAwardPlanAga2021BisMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NewBonusShareAwardPlanAga2021BisMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for New bonus share award plans (AGA 2021-bis).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NewBonusShareAwardPlanAga2021BisMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AGA 2021-bis</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NewBonusShareAwardPlan20232Member" xlink:label="iva_NewBonusShareAwardPlan20232Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NewBonusShareAwardPlan20232Member" xlink:to="iva_NewBonusShareAwardPlan20232Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NewBonusShareAwardPlan20232Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for New bonus share award plans (AGA 2023-2).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NewBonusShareAwardPlan20232Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AGA 2023-2 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NewBonusShareAwardPlan20232Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AGA 2023-2</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LongTermIncentivePlanInPerformanceUnitsMember" xlink:label="iva_LongTermIncentivePlanInPerformanceUnitsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LongTermIncentivePlanInPerformanceUnitsMember" xlink:to="iva_LongTermIncentivePlanInPerformanceUnitsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LongTermIncentivePlanInPerformanceUnitsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for long-term incentive plan in performance units or "PAGUP".</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LongTermIncentivePlanInPerformanceUnitsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-Term Incentive Plan In Performance Units [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LongTermIncentivePlanInPerformanceUnitsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PAGUP</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Aga2021Aga2021BisMember" xlink:label="iva_Aga2021Aga2021BisMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Aga2021Aga2021BisMember" xlink:to="iva_Aga2021Aga2021BisMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Aga2021Aga2021BisMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for AGA 2021 &amp; AGA 2021 bis.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Aga2021Aga2021BisMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AGA 2021 &amp; AGA 2021 bis [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_Aga2021Aga2021BisMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AGA 2021 &amp; AGA 2021 bis</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_FredericCrenMember" xlink:label="iva_FredericCrenMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_FredericCrenMember" xlink:to="iva_FredericCrenMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_FredericCrenMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Frederic Cren</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_FredericCrenMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Frederic Cren [Member]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfPlansOutstanding" xlink:label="iva_NumberOfPlansOutstanding" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfPlansOutstanding" xlink:to="iva_NumberOfPlansOutstanding_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfPlansOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of plans outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfPlansOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of plans outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfPlansOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of award plans outstanding</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfAwardPlansAttributed" xlink:label="iva_NumberOfAwardPlansAttributed" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfAwardPlansAttributed" xlink:to="iva_NumberOfAwardPlansAttributed_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfAwardPlansAttributed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of award plans attributed during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfAwardPlansAttributed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Award Plans Attributed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfAwardPlansAttributed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of plans attributed</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageSharePrice2019" xlink:label="ifrs-full_WeightedAverageSharePrice2019" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageSharePrice2019" xlink:to="ifrs-full_WeightedAverageSharePrice2019_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageSharePrice2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average share price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WeightedAverageSharePrice2019_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Stock price at grant date (in euros)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:to="ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expense from share-based payment transactions</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfSharesConverted" xlink:label="iva_NumberOfSharesConverted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfSharesConverted" xlink:to="iva_NumberOfSharesConverted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfSharesConverted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">It represents the information relating to number of shares converted.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfSharesConverted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Shares Converted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfSharesConverted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares converted</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about borrowings [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of detailed information about borrowings [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guarantee Details</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial debt</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LoansReceived" xlink:label="ifrs-full_LoansReceived" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LoansReceived" xlink:to="ifrs-full_LoansReceived_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LoansReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loans received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LoansReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bank borrowings</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherBorrowings" xlink:label="ifrs-full_OtherBorrowings" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherBorrowings" xlink:to="ifrs-full_OtherBorrowings_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other loans and similar borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other loans and similar borrowings</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LeaseLiabilities" xlink:label="ifrs-full_LeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LeaseLiabilities" xlink:to="ifrs-full_LeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Borrowings" xlink:label="ifrs-full_Borrowings" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Borrowings" xlink:to="ifrs-full_Borrowings_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Borrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_Borrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_Borrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Borrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Borrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total debt</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IncreaseInBorrowingsThroughSubscriptionOfDerivativesInstruments" xlink:label="iva_IncreaseInBorrowingsThroughSubscriptionOfDerivativesInstruments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IncreaseInBorrowingsThroughSubscriptionOfDerivativesInstruments" xlink:to="iva_IncreaseInBorrowingsThroughSubscriptionOfDerivativesInstruments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IncreaseInBorrowingsThroughSubscriptionOfDerivativesInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of increase in borrowings through Subscription of derivatives instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IncreaseInBorrowingsThroughSubscriptionOfDerivativesInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase in Borrowings Through Subscription Of Derivatives Instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IncreaseInBorrowingsThroughSubscriptionOfDerivativesInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription of derivatives instruments</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Increaseinborrowingsthroughborrowingsreceived" xlink:label="iva_Increaseinborrowingsthroughborrowingsreceived" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Increaseinborrowingsthroughborrowingsreceived" xlink:to="iva_Increaseinborrowingsthroughborrowingsreceived_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Increaseinborrowingsthroughborrowingsreceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of increase in borrowings through borrowings received.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Increaseinborrowingsthroughborrowingsreceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IncreaseInBorrowingsThroughBorrowingsReceived</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_Increaseinborrowingsthroughborrowingsreceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription of bank borrowings</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_SubscriptionOfLeaseLiabilities" xlink:label="iva_SubscriptionOfLeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_SubscriptionOfLeaseLiabilities" xlink:to="iva_SubscriptionOfLeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_SubscriptionOfLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of subscription of lease liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_SubscriptionOfLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Of Lease Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_SubscriptionOfLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription of lease liabilities</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IssueOfRoyaltyCertificates" xlink:label="iva_IssueOfRoyaltyCertificates" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IssueOfRoyaltyCertificates" xlink:to="iva_IssueOfRoyaltyCertificates_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IssueOfRoyaltyCertificates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of increase in borrowings through issue of royalty certificates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IssueOfRoyaltyCertificates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issue of Royalty Certificates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IssueOfRoyaltyCertificates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issue of royalty certificates</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DecreaseInBorrowingsThroughRepaymentOfLeaseLiabilities" xlink:label="iva_DecreaseInBorrowingsThroughRepaymentOfLeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DecreaseInBorrowingsThroughRepaymentOfLeaseLiabilities" xlink:to="iva_DecreaseInBorrowingsThroughRepaymentOfLeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DecreaseInBorrowingsThroughRepaymentOfLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of decrease in borrowings through repayment of lease liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DecreaseInBorrowingsThroughRepaymentOfLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease in borrowings through repayment of lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_DecreaseInBorrowingsThroughRepaymentOfLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayment of lease liabilities</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_InterestOnRoyaltyCertificates" xlink:label="iva_InterestOnRoyaltyCertificates" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_InterestOnRoyaltyCertificates" xlink:to="iva_InterestOnRoyaltyCertificates_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_InterestOnRoyaltyCertificates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of increase in borrowings through interests on royalty certificates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_InterestOnRoyaltyCertificates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest On Royalty Certificates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_InterestOnRoyaltyCertificates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issue of royalty certificates</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DecreaseInBorrowingsThroughRepaymentsOfBankBorrowings" xlink:label="iva_DecreaseInBorrowingsThroughRepaymentsOfBankBorrowings" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DecreaseInBorrowingsThroughRepaymentsOfBankBorrowings" xlink:to="iva_DecreaseInBorrowingsThroughRepaymentsOfBankBorrowings_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DecreaseInBorrowingsThroughRepaymentsOfBankBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of decrease in borrowings through repayments of bank borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DecreaseInBorrowingsThroughRepaymentsOfBankBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease in borrowings through repayments of bank borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_DecreaseInBorrowingsThroughRepaymentsOfBankBorrowings_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayment of bank borrowings</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IncreaseInBorrowingsThroughCapitalizedInterest" xlink:label="iva_IncreaseInBorrowingsThroughCapitalizedInterest" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IncreaseInBorrowingsThroughCapitalizedInterest" xlink:to="iva_IncreaseInBorrowingsThroughCapitalizedInterest_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IncreaseInBorrowingsThroughCapitalizedInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of increase in borrowings through capitalized interest.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IncreaseInBorrowingsThroughCapitalizedInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase in borrowings through capitalized interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IncreaseInBorrowingsThroughCapitalizedInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capitalized interests</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IncreaseOrDecreaseInBorrowingsDueToChangeInFairValueOfDerivativesInstruments" xlink:label="iva_IncreaseOrDecreaseInBorrowingsDueToChangeInFairValueOfDerivativesInstruments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IncreaseOrDecreaseInBorrowingsDueToChangeInFairValueOfDerivativesInstruments" xlink:to="iva_IncreaseOrDecreaseInBorrowingsDueToChangeInFairValueOfDerivativesInstruments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IncreaseOrDecreaseInBorrowingsDueToChangeInFairValueOfDerivativesInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of increase or decrease in borrowings due to change in fair value of derivatives instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IncreaseOrDecreaseInBorrowingsDueToChangeInFairValueOfDerivativesInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase Or Decrease In Borrowings Due To Change in Fair Value of Derivatives Instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IncreaseOrDecreaseInBorrowingsDueToChangeInFairValueOfDerivativesInstruments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Change in fair value of derivatives instruments</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IncreaseOrDecreaseInBorrowingsDueToChangesInExchangeRates" xlink:label="iva_IncreaseOrDecreaseInBorrowingsDueToChangesInExchangeRates" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IncreaseOrDecreaseInBorrowingsDueToChangesInExchangeRates" xlink:to="iva_IncreaseOrDecreaseInBorrowingsDueToChangesInExchangeRates_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IncreaseOrDecreaseInBorrowingsDueToChangesInExchangeRates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of increase or decrease in borrowings due to exchange rate change.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IncreaseOrDecreaseInBorrowingsDueToChangesInExchangeRates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase or Decrease in Borrowings Due to Changes in Exchange Rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IncreaseOrDecreaseInBorrowingsDueToChangesInExchangeRates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Exchange rate change</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LoanAgreementsWithSyndicateOfFrenchBanksMember" xlink:label="iva_LoanAgreementsWithSyndicateOfFrenchBanksMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LoanAgreementsWithSyndicateOfFrenchBanksMember" xlink:to="iva_LoanAgreementsWithSyndicateOfFrenchBanksMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LoanAgreementsWithSyndicateOfFrenchBanksMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for loan agreements with a syndicate of French banks.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LoanAgreementsWithSyndicateOfFrenchBanksMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loan Agreements With Syndicate of French Banks [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_LoanAgreementsWithSyndicateOfFrenchBanksMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loan agreements with a syndicate of French banks</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LoanAgreementsWithSyndicateOfFrenchBanksUnderStimulusEconomicPlanMember" xlink:label="iva_LoanAgreementsWithSyndicateOfFrenchBanksUnderStimulusEconomicPlanMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LoanAgreementsWithSyndicateOfFrenchBanksUnderStimulusEconomicPlanMember" xlink:to="iva_LoanAgreementsWithSyndicateOfFrenchBanksUnderStimulusEconomicPlanMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LoanAgreementsWithSyndicateOfFrenchBanksUnderStimulusEconomicPlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for loan agreements with a syndicate of French banks, under a stimulus economic plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LoanAgreementsWithSyndicateOfFrenchBanksUnderStimulusEconomicPlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loan agreements with syndicate of French banks, under stimulus economic plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LoanAgreementsWithSyndicateOfFrenchBanksUnderStimulusEconomicPlanMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loan agreements with syndicate of French banks, under stimulus economic plan</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LoanAgreementsWithSyndicateOfFrenchBanksStateGuaranteedLoanPretGarantiParLetatMember" xlink:label="iva_LoanAgreementsWithSyndicateOfFrenchBanksStateGuaranteedLoanPretGarantiParLetatMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LoanAgreementsWithSyndicateOfFrenchBanksStateGuaranteedLoanPretGarantiParLetatMember" xlink:to="iva_LoanAgreementsWithSyndicateOfFrenchBanksStateGuaranteedLoanPretGarantiParLetatMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LoanAgreementsWithSyndicateOfFrenchBanksStateGuaranteedLoanPretGarantiParLetatMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for loan agreements with syndicate of French banks, state guaranteed loan (Pret Garanti par l'Etat)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LoanAgreementsWithSyndicateOfFrenchBanksStateGuaranteedLoanPretGarantiParLetatMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loan agreements with syndicate of French banks, state guaranteed loan (Pret Garanti par l'Etat) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LoanAgreementsWithSyndicateOfFrenchBanksStateGuaranteedLoanPretGarantiParLetatMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Loan agreements with syndicate of French banks, state guaranteed loan (Pret Garanti par l'Etat)</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_EquityRecoveryLoansMember" xlink:label="iva_EquityRecoveryLoansMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_EquityRecoveryLoansMember" xlink:to="iva_EquityRecoveryLoansMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_EquityRecoveryLoansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for equity recovery loans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_EquityRecoveryLoansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity Recovery Loans [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_EquityRecoveryLoansMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity recovery loans</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_FinancingFromSyndicateOfFrenchBanksMember" xlink:label="iva_FinancingFromSyndicateOfFrenchBanksMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_FinancingFromSyndicateOfFrenchBanksMember" xlink:to="iva_FinancingFromSyndicateOfFrenchBanksMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_FinancingFromSyndicateOfFrenchBanksMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for financing from a syndicate of French banks.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_FinancingFromSyndicateOfFrenchBanksMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financing from a syndicate of French banks</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfLoansObtainedGuaranteedByFrenchState" xlink:label="iva_NumberOfLoansObtainedGuaranteedByFrenchState" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfLoansObtainedGuaranteedByFrenchState" xlink:to="iva_NumberOfLoansObtainedGuaranteedByFrenchState_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfLoansObtainedGuaranteedByFrenchState_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of loans obtained which are guaranteed by the french state.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfLoansObtainedGuaranteedByFrenchState_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Loans Obtained Guaranteed By The French State</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_NumberOfLoansObtainedGuaranteedByFrenchState_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of loans obtained guaranteed by the french state</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_BorrowingsMaximumExtensionTerm" xlink:label="iva_BorrowingsMaximumExtensionTerm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_BorrowingsMaximumExtensionTerm" xlink:to="iva_BorrowingsMaximumExtensionTerm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_BorrowingsMaximumExtensionTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period up to which the maturity term of the borrowings can be extended.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_BorrowingsMaximumExtensionTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings, Maximum Extension Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_BorrowingsMaximumExtensionTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Extension of term of debt</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfLoanAgreements" xlink:label="iva_NumberOfLoanAgreements" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfLoanAgreements" xlink:to="iva_NumberOfLoanAgreements_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfLoanAgreements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the number of loan agreements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfLoanAgreements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Loan Agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfLoanAgreements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of loan agreements</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PercentageOfLoanGuaranteedByFrenchState" xlink:label="iva_PercentageOfLoanGuaranteedByFrenchState" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PercentageOfLoanGuaranteedByFrenchState" xlink:to="iva_PercentageOfLoanGuaranteedByFrenchState_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PercentageOfLoanGuaranteedByFrenchState_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the percentage of loan guaranteed by French state.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PercentageOfLoanGuaranteedByFrenchState_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Loan Guaranteed by French State</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_PercentageOfLoanGuaranteedByFrenchState_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of loan guaranteed by French state</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_FinancingPeriodOfLoan" xlink:label="iva_FinancingPeriodOfLoan" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_FinancingPeriodOfLoan" xlink:to="iva_FinancingPeriodOfLoan_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_FinancingPeriodOfLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the financing period of loan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_FinancingPeriodOfLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financing Period of Loan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_FinancingPeriodOfLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financing period of loan</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_RepaymentPeriodOfLoan" xlink:label="iva_RepaymentPeriodOfLoan" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_RepaymentPeriodOfLoan" xlink:to="iva_RepaymentPeriodOfLoan_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_RepaymentPeriodOfLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The period for repayment of loan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_RepaymentPeriodOfLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayment Period of Loan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_RepaymentPeriodOfLoan_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repayment period for loan</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialLiabilitiesAtFairValueMember" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesAtFairValueMember" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValueMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities at fair value, class [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities at fair value</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfEqualTranches" xlink:label="iva_NumberOfEqualTranches" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfEqualTranches" xlink:to="iva_NumberOfEqualTranches_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfEqualTranches_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represent the information of number of equal tranches .</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfEqualTranches_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Equal Tranches</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfEqualTranches_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of equal tranches</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NotionalAmountPerTranche" xlink:label="iva_NotionalAmountPerTranche" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NotionalAmountPerTranche" xlink:to="iva_NotionalAmountPerTranche_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NotionalAmountPerTranche_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notional amount per tranche</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NotionalAmountPerTranche_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notional Amount Per Tranche</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NotionalAmountPerTranche_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notional amount per tranche</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_BorrowingsEffectiveInterestRate" xlink:label="iva_BorrowingsEffectiveInterestRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_BorrowingsEffectiveInterestRate" xlink:to="iva_BorrowingsEffectiveInterestRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_BorrowingsEffectiveInterestRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The effective interest rate on borrowings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_BorrowingsEffectiveInterestRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings, effective interest rate</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_BorrowingsActualizationRate" xlink:label="iva_BorrowingsActualizationRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_BorrowingsActualizationRate" xlink:to="iva_BorrowingsActualizationRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_BorrowingsActualizationRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The actualization interest rate on borrowings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_BorrowingsActualizationRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowings, Actualization Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_BorrowingsActualizationRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actualization rate</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BorrowingCostsIncurred" xlink:label="ifrs-full_BorrowingCostsIncurred" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingCostsIncurred" xlink:to="ifrs-full_BorrowingCostsIncurred_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingCostsIncurred_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowing costs incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BorrowingCostsIncurred_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Borrowing costs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_InterestCostsCapitalised" xlink:label="ifrs-full_InterestCostsCapitalised" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestCostsCapitalised" xlink:to="ifrs-full_InterestCostsCapitalised_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestCostsCapitalised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest costs capitalised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestCostsCapitalised_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capitalized interest</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialLiabilitiesAtFairValue" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesAtFairValue" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities, at fair value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities, at fair value</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Bsa2022Member" xlink:label="iva_Bsa2022Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Bsa2022Member" xlink:to="iva_Bsa2022Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Bsa2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the BSA 2022 share-based payment plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Bsa2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA 2022 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_Bsa2022Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA 2022</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Bsa2024Member" xlink:label="iva_Bsa2024Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Bsa2024Member" xlink:to="iva_Bsa2024Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Bsa2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the BSA 2024 share-based payment plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Bsa2024Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BSA 2024 [Member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfShareCapitalAxis" xlink:label="ifrs-full_ClassesOfShareCapitalAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfShareCapitalAxis" xlink:to="ifrs-full_ClassesOfShareCapitalAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfShareCapitalAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of share capital [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfShareCapitalMember" xlink:label="ifrs-full_ClassesOfShareCapitalMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfShareCapitalMember" xlink:to="ifrs-full_ClassesOfShareCapitalMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfShareCapitalMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share capital [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OrdinarySharesMember" xlink:label="ifrs-full_OrdinarySharesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OrdinarySharesMember" xlink:to="ifrs-full_OrdinarySharesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OrdinarySharesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ordinary shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OrdinarySharesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ordinary shares</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ClassOfWarrantOrRightGranted" xlink:label="iva_ClassOfWarrantOrRightGranted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ClassOfWarrantOrRightGranted" xlink:to="iva_ClassOfWarrantOrRightGranted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ClassOfWarrantOrRightGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of warrants or rights granted.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ClassOfWarrantOrRightGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Class of Warrant or Right, Granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ClassOfWarrantOrRightGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of warrants granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_ClassOfWarrantOrRightGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of warrants issued</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_MaximumPotentialGrossProceedsFromExerciseOfWarrants" xlink:label="iva_MaximumPotentialGrossProceedsFromExerciseOfWarrants" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_MaximumPotentialGrossProceedsFromExerciseOfWarrants" xlink:to="iva_MaximumPotentialGrossProceedsFromExerciseOfWarrants_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_MaximumPotentialGrossProceedsFromExerciseOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum potential amount of gross proceeds that the company will receive from exercise of warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_MaximumPotentialGrossProceedsFromExerciseOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum Potential Gross Proceeds From Exercise Of Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_MaximumPotentialGrossProceedsFromExerciseOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum potential gross proceeds from exercise of warrants</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_TransactionCostsOnIssueOfWarrants" xlink:label="iva_TransactionCostsOnIssueOfWarrants" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_TransactionCostsOnIssueOfWarrants" xlink:to="iva_TransactionCostsOnIssueOfWarrants_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_TransactionCostsOnIssueOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transaction costs on issue of warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_TransactionCostsOnIssueOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transaction costs on issue of warrants</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_WarrantsThresholdTradingDays" xlink:label="iva_WarrantsThresholdTradingDays" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_WarrantsThresholdTradingDays" xlink:to="iva_WarrantsThresholdTradingDays_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_WarrantsThresholdTradingDays_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Threshold number of specified trading days that common stock price to conversion price of warrants must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_WarrantsThresholdTradingDays_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrants, Threshold Trading Days</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_WarrantsThresholdTradingDays_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Threshold trading days of warrants</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_SubscriptionPremiumPricePerShareOfOtherEquityInstrumentsGranted" xlink:label="iva_SubscriptionPremiumPricePerShareOfOtherEquityInstrumentsGranted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_SubscriptionPremiumPricePerShareOfOtherEquityInstrumentsGranted" xlink:to="iva_SubscriptionPremiumPricePerShareOfOtherEquityInstrumentsGranted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_SubscriptionPremiumPricePerShareOfOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription premium price per share of other equity instruments granted in share-based payment arrangement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_SubscriptionPremiumPricePerShareOfOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription Premium Price Per Share Of Other Equity Instruments Granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_SubscriptionPremiumPricePerShareOfOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscription premium price per share (&#x20AC;)</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_WarrantsStockPrice" xlink:label="iva_WarrantsStockPrice" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_WarrantsStockPrice" xlink:to="iva_WarrantsStockPrice_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_WarrantsStockPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Stock price used to calculate fair value of warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_WarrantsStockPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrants, Stock Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_WarrantsStockPrice_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Stock price (&#x20AC;)</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_WarrantAverageLife" xlink:label="iva_WarrantAverageLife" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_WarrantAverageLife" xlink:to="iva_WarrantAverageLife_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_WarrantAverageLife_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Average life used to calculate fair value of warrant.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_WarrantAverageLife_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrant Average Life</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_WarrantAverageLife_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maturity (years)</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ExpectedVolatility" xlink:label="iva_ExpectedVolatility" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ExpectedVolatility" xlink:to="iva_ExpectedVolatility_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ExpectedVolatility_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expected volatility used to calculate fair value of warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ExpectedVolatility_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expected volatility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_ExpectedVolatility_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Volatility</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_WarrantsCapOfPutOption" xlink:label="iva_WarrantsCapOfPutOption" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_WarrantsCapOfPutOption" xlink:to="iva_WarrantsCapOfPutOption_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_WarrantsCapOfPutOption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cap of the put option used to calculate fair value of warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_WarrantsCapOfPutOption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrants, Cap of Put Option</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_WarrantsCapOfPutOption_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cap of the put option (m&#x20AC;)</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_FairValueOfWarrantsOutstanding" xlink:label="iva_FairValueOfWarrantsOutstanding" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_FairValueOfWarrantsOutstanding" xlink:to="iva_FairValueOfWarrantsOutstanding_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_FairValueOfWarrantsOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value of warrants outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_FairValueOfWarrantsOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value of warrants outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_FairValueOfWarrantsOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value (k&#x20AC;)</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_WarrantsUnitFairValue" xlink:label="iva_WarrantsUnitFairValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_WarrantsUnitFairValue" xlink:to="iva_WarrantsUnitFairValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_WarrantsUnitFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The fair value per warranty unit outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_WarrantsUnitFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Warrants, Unit Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_WarrantsUnitFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unit fair value</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_TermOverWhichVolumeWeightedAveragePricePerShareToDetermineNumberOfWarrantsToBeIssued" xlink:label="iva_TermOverWhichVolumeWeightedAveragePricePerShareToDetermineNumberOfWarrantsToBeIssued" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_TermOverWhichVolumeWeightedAveragePricePerShareToDetermineNumberOfWarrantsToBeIssued" xlink:to="iva_TermOverWhichVolumeWeightedAveragePricePerShareToDetermineNumberOfWarrantsToBeIssued_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_TermOverWhichVolumeWeightedAveragePricePerShareToDetermineNumberOfWarrantsToBeIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the term over which volume weighted average price per share to determine number of warrants to be issued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_TermOverWhichVolumeWeightedAveragePricePerShareToDetermineNumberOfWarrantsToBeIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Term Over Which Volume Weighted Average Price Per Share To Determine Number Of Warrants To Be Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_TermOverWhichVolumeWeightedAveragePricePerShareToDetermineNumberOfWarrantsToBeIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Term over which volume weighted average price per share to determine number of warrants to be issued</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfSharesPerOtherEquityInstrumentGranted" xlink:label="iva_NumberOfSharesPerOtherEquityInstrumentGranted" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfSharesPerOtherEquityInstrumentGranted" xlink:to="iva_NumberOfSharesPerOtherEquityInstrumentGranted_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfSharesPerOtherEquityInstrumentGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares that each equity instruments other than share options granted in a share-based payment arrangement, entitles the holder.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfSharesPerOtherEquityInstrumentGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number Of Shares Per Other Equity Instrument Granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfSharesPerOtherEquityInstrumentGranted_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares per AGA</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LeaseLiabilitiesMember" xlink:label="ifrs-full_LeaseLiabilitiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LeaseLiabilitiesMember" xlink:to="ifrs-full_LeaseLiabilitiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LeaseLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease liabilities [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LeaseLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_LeaseLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IncreaseDecreaseInLeaseLiabilities" xlink:label="iva_IncreaseDecreaseInLeaseLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IncreaseDecreaseInLeaseLiabilities" xlink:to="iva_IncreaseDecreaseInLeaseLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IncreaseDecreaseInLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of increase (decrease) in lease liabilities during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IncreaseDecreaseInLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) in Lease Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IncreaseDecreaseInLeaseLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in lease liabilities</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LeaseTerm" xlink:label="iva_LeaseTerm" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LeaseTerm" xlink:to="iva_LeaseTerm_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LeaseTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease term.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LeaseTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LeaseTerm_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lease term</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NotLaterThanOneYearMember" xlink:label="ifrs-full_NotLaterThanOneYearMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotLaterThanOneYearMember" xlink:to="ifrs-full_NotLaterThanOneYearMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NotLaterThanOneYearMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Less than 1 year</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Between 1 and 3 years</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:label="ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:to="ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Between 3 and 5 years</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LaterThanFiveYearsMember" xlink:label="ifrs-full_LaterThanFiveYearsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanFiveYearsMember" xlink:to="ifrs-full_LaterThanFiveYearsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanFiveYearsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">More than 5 years</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfLiabilitiesAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfLiabilitiesAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfLiabilitiesAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of liabilities [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LiabilitiesMember" xlink:label="ifrs-full_LiabilitiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesMember" xlink:to="ifrs-full_LiabilitiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities [member]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_RoyaltyCertificateLiabilitiesMember" xlink:label="iva_RoyaltyCertificateLiabilitiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_RoyaltyCertificateLiabilitiesMember" xlink:to="iva_RoyaltyCertificateLiabilitiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_RoyaltyCertificateLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Royalty Certificate Liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_RoyaltyCertificateLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalty Certificate Liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_RoyaltyCertificateLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalty Certificate</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_UnobservableInputsAxis" xlink:label="ifrs-full_UnobservableInputsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_UnobservableInputsAxis" xlink:to="ifrs-full_UnobservableInputsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_UnobservableInputsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unobservable inputs [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_UnobservableInputsMember" xlink:label="ifrs-full_UnobservableInputsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_UnobservableInputsMember" xlink:to="ifrs-full_UnobservableInputsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_UnobservableInputsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unobservable inputs [member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DiscountRateMeasurementInputMember" xlink:label="ifrs-full_DiscountRateMeasurementInputMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DiscountRateMeasurementInputMember" xlink:to="ifrs-full_DiscountRateMeasurementInputMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DiscountRateMeasurementInputMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discount rate, measurement input [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DiscountRateMeasurementInputMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Discount rate</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_RoyaltyCertificatesLiabilitiesMember" xlink:label="iva_RoyaltyCertificatesLiabilitiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_RoyaltyCertificatesLiabilitiesMember" xlink:to="iva_RoyaltyCertificatesLiabilitiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_RoyaltyCertificatesLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for royalty certificates liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_RoyaltyCertificatesLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalty Certificates Liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_RoyaltyCertificatesLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalty certificates liabilities</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_AnnualRoyaltyPercentageOnFutureNetSalesOfLanifibranor" xlink:label="iva_AnnualRoyaltyPercentageOnFutureNetSalesOfLanifibranor" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_AnnualRoyaltyPercentageOnFutureNetSalesOfLanifibranor" xlink:to="iva_AnnualRoyaltyPercentageOnFutureNetSalesOfLanifibranor_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_AnnualRoyaltyPercentageOnFutureNetSalesOfLanifibranor_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of annual royalty on future net sales of Lanifibranor.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_AnnualRoyaltyPercentageOnFutureNetSalesOfLanifibranor_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Annual Royalty Percentage on Future Net Sales of Lanifibranor</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_AnnualRoyaltyPercentageOnFutureNetSalesOfLanifibranor_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Annual royalty percentage</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_RoyaltyCertificatesEffectiveInterestRate" xlink:label="iva_RoyaltyCertificatesEffectiveInterestRate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_RoyaltyCertificatesEffectiveInterestRate" xlink:to="iva_RoyaltyCertificatesEffectiveInterestRate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_RoyaltyCertificatesEffectiveInterestRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effective interest rate on royalty certificates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_RoyaltyCertificatesEffectiveInterestRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalty Certificates, Effective Interest Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_RoyaltyCertificatesEffectiveInterestRate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Royalty certificates, effective interest rate</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_SignificantUnobservableInputLiabilities" xlink:label="ifrs-full_SignificantUnobservableInputLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SignificantUnobservableInputLiabilities" xlink:to="ifrs-full_SignificantUnobservableInputLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SignificantUnobservableInputLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Significant Unobservable Input Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SignificantUnobservableInputLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Significant unobservable input, liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:to="ifrs-full_DisclosureOfDefinedBenefitPlansTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of defined benefit plans [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:to="ifrs-full_DisclosureOfDefinedBenefitPlansLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of defined benefit plans [line items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherProvisions" xlink:label="ifrs-full_OtherProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherProvisions" xlink:to="ifrs-full_OtherProvisions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DefinedBenefitObligationAtPresentValue" xlink:label="ifrs-full_DefinedBenefitObligationAtPresentValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DefinedBenefitObligationAtPresentValue" xlink:to="ifrs-full_DefinedBenefitObligationAtPresentValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DefinedBenefitObligationAtPresentValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Defined benefit obligation, at present value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DefinedBenefitObligationAtPresentValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Retirement benefit obligations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:to="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">At end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">At beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Obligation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseInNetDefinedBenefitLiabilityAssetResultingFromExpenseIncomeInProfitOrLoss" xlink:label="ifrs-full_IncreaseDecreaseInNetDefinedBenefitLiabilityAssetResultingFromExpenseIncomeInProfitOrLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInNetDefinedBenefitLiabilityAssetResultingFromExpenseIncomeInProfitOrLoss" xlink:to="ifrs-full_IncreaseDecreaseInNetDefinedBenefitLiabilityAssetResultingFromExpenseIncomeInProfitOrLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInNetDefinedBenefitLiabilityAssetResultingFromExpenseIncomeInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in net defined benefit liability (asset) resulting from expense (income) in profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncreaseDecreaseInNetDefinedBenefitLiabilityAssetResultingFromExpenseIncomeInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expense for the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Actuarial gains or losses recognized in other comprehensive income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentServiceCostDefinedBenefitPlans" xlink:label="ifrs-full_CurrentServiceCostDefinedBenefitPlans" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentServiceCostDefinedBenefitPlans" xlink:to="ifrs-full_CurrentServiceCostDefinedBenefitPlans_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentServiceCostDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current service cost, defined benefit plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_CurrentServiceCostDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Service cost for the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_InterestExpenseDefinedBenefitPlans" xlink:label="ifrs-full_InterestExpenseDefinedBenefitPlans" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestExpenseDefinedBenefitPlans" xlink:to="ifrs-full_InterestExpenseDefinedBenefitPlans_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestExpenseDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest expense, defined benefit plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_InterestExpenseDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest cost for the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PastServiceCostAndLossesGainsArisingFromSettlementsDefinedBenefitPlans" xlink:label="ifrs-full_PastServiceCostAndLossesGainsArisingFromSettlementsDefinedBenefitPlans" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PastServiceCostAndLossesGainsArisingFromSettlementsDefinedBenefitPlans" xlink:to="ifrs-full_PastServiceCostAndLossesGainsArisingFromSettlementsDefinedBenefitPlans_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PastServiceCostAndLossesGainsArisingFromSettlementsDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Past service cost and losses (gains) arising from settlements, defined benefit plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PastServiceCostAndLossesGainsArisingFromSettlementsDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Benefits for the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:to="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Post-employment benefit expense, defined benefit plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_EmployeeRelatedPayables" xlink:label="iva_EmployeeRelatedPayables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_EmployeeRelatedPayables" xlink:to="iva_EmployeeRelatedPayables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_EmployeeRelatedPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the amount pertaining to employee related payables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_EmployeeRelatedPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Employee related payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_EmployeeRelatedPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Employeerelated payables</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_AccruedPayrollAndOtherEmployeeRelatedTaxes" xlink:label="iva_AccruedPayrollAndOtherEmployeeRelatedTaxes" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_AccruedPayrollAndOtherEmployeeRelatedTaxes" xlink:to="iva_AccruedPayrollAndOtherEmployeeRelatedTaxes_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_AccruedPayrollAndOtherEmployeeRelatedTaxes_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the amount pertaining to accrued payroll and other employee related taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_AccruedPayrollAndOtherEmployeeRelatedTaxes_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accrued payroll and other employeerelated taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_AccruedPayrollAndOtherEmployeeRelatedTaxes_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accrued payroll and other employeerelated taxes</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentValueAddedTaxPayables" xlink:label="ifrs-full_CurrentValueAddedTaxPayables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentValueAddedTaxPayables" xlink:to="ifrs-full_CurrentValueAddedTaxPayables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentValueAddedTaxPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current value added tax payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentValueAddedTaxPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">VAT payables</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OtherAccruedTaxesAndEmployeeRelatedExpenses" xlink:label="iva_OtherAccruedTaxesAndEmployeeRelatedExpenses" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OtherAccruedTaxesAndEmployeeRelatedExpenses" xlink:to="iva_OtherAccruedTaxesAndEmployeeRelatedExpenses_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OtherAccruedTaxesAndEmployeeRelatedExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of accrued taxes and employee related expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OtherAccruedTaxesAndEmployeeRelatedExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Accrued taxes And Employee Related Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_OtherAccruedTaxesAndEmployeeRelatedExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other accrued taxes and employeerelated expenses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherCurrentPayables" xlink:label="ifrs-full_OtherCurrentPayables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentPayables" xlink:to="ifrs-full_OtherCurrentPayables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other current payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other miscellaneous payables</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_TradePayableAndOtherCurrentLiabilitiesTable" xlink:label="iva_TradePayableAndOtherCurrentLiabilitiesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_TradePayableAndOtherCurrentLiabilitiesTable" xlink:to="iva_TradePayableAndOtherCurrentLiabilitiesTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_TradePayableAndOtherCurrentLiabilitiesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_TradePayableAndOtherCurrentLiabilitiesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade Payable And Other Current Liabilities [Table]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_TradePayableAndOtherCurrentLiabilitiesLineItems" xlink:label="iva_TradePayableAndOtherCurrentLiabilitiesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_TradePayableAndOtherCurrentLiabilitiesLineItems" xlink:to="iva_TradePayableAndOtherCurrentLiabilitiesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_TradePayableAndOtherCurrentLiabilitiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_TradePayableAndOtherCurrentLiabilitiesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade Payable And Other Current Liabilities [Line Items]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_TradePayablesAndOtherCurrentLiabilities" xlink:label="iva_TradePayablesAndOtherCurrentLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_TradePayablesAndOtherCurrentLiabilities" xlink:to="iva_TradePayablesAndOtherCurrentLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_TradePayablesAndOtherCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of trade payables and other current liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_TradePayablesAndOtherCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade Payables And Other Current Liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="iva_TradePayablesAndOtherCurrentLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade payables and other current liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AccrualsClassifiedAsCurrent" xlink:label="ifrs-full_AccrualsClassifiedAsCurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AccrualsClassifiedAsCurrent" xlink:to="ifrs-full_AccrualsClassifiedAsCurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AccrualsClassifiedAsCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accruals classified as current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AccrualsClassifiedAsCurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accrued expenses</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_AccrualsClassifiedAsCurrentRelatingToScientificProjects" xlink:label="iva_AccrualsClassifiedAsCurrentRelatingToScientificProjects" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_AccrualsClassifiedAsCurrentRelatingToScientificProjects" xlink:to="iva_AccrualsClassifiedAsCurrentRelatingToScientificProjects_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_AccrualsClassifiedAsCurrentRelatingToScientificProjects_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of accruals classified as current relating to scientific projects</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_AccrualsClassifiedAsCurrentRelatingToScientificProjects_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accruals classified as current relating to scientific projects</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_AccrualsClassifiedAsCurrentRelatingToScientificProjects_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accrued liabilities relating to scientific projects</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NotLaterThanOneMonthMember" xlink:label="ifrs-full_NotLaterThanOneMonthMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotLaterThanOneMonthMember" xlink:to="ifrs-full_NotLaterThanOneMonthMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NotLaterThanOneMonthMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Due in 30 days</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NotLaterThanOneMonthMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Due in 30 days</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:label="ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:to="ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Due in 30 60 days</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Due in 30-60 days</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LaterThanTwoMonthsMember" xlink:label="iva_LaterThanTwoMonthsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LaterThanTwoMonthsMember" xlink:to="iva_LaterThanTwoMonthsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LaterThanTwoMonthsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for a time band of later than two months.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LaterThanTwoMonthsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Due in more than 60 days</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LaterThanTwoMonthsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Due in more than 60 days</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TradeAndOtherCurrentPayables" xlink:label="ifrs-full_TradeAndOtherCurrentPayables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentPayables" xlink:to="ifrs-full_TradeAndOtherCurrentPayables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherCurrentPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade and other current payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeAndOtherCurrentPayables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade payable</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IncreaseDecreaseInTradeAccountsPayable" xlink:label="iva_IncreaseDecreaseInTradeAccountsPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IncreaseDecreaseInTradeAccountsPayable" xlink:to="iva_IncreaseDecreaseInTradeAccountsPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IncreaseDecreaseInTradeAccountsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in trade accounts payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IncreaseDecreaseInTradeAccountsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (decrease) in trade accounts payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IncreaseDecreaseInTradeAccountsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase in trade accounts payable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of financial assets [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialAssetsMember" xlink:label="ifrs-full_FinancialAssetsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ifrs-full_FinancialAssetsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets, class [member]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LongTermDepositAccountsMember" xlink:label="iva_LongTermDepositAccountsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LongTermDepositAccountsMember" xlink:to="iva_LongTermDepositAccountsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LongTermDepositAccountsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for long term deposit accounts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LongTermDepositAccountsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term deposit accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LongTermDepositAccountsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term deposit accounts</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_LongTermSecurityDepositsMember" xlink:label="iva_LongTermSecurityDepositsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_LongTermSecurityDepositsMember" xlink:to="iva_LongTermSecurityDepositsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_LongTermSecurityDepositsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for long-term security deposits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_LongTermSecurityDepositsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term security deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_LongTermSecurityDepositsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term security deposits</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_AdvancePaymentMember" xlink:label="iva_AdvancePaymentMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_AdvancePaymentMember" xlink:to="iva_AdvancePaymentMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_AdvancePaymentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for advance payment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_AdvancePaymentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Advance payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_AdvancePaymentMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Advance payment</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_AccruedIncomeMember" xlink:label="iva_AccruedIncomeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_AccruedIncomeMember" xlink:to="iva_AccruedIncomeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_AccruedIncomeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for accrued income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_AccruedIncomeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current accrued income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_AccruedIncomeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current accrued income</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ShortTermDepositAccountsMember" xlink:label="iva_ShortTermDepositAccountsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ShortTermDepositAccountsMember" xlink:to="iva_ShortTermDepositAccountsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ShortTermDepositAccountsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for short-term deposit accounts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ShortTermDepositAccountsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Shortterm deposit accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ShortTermDepositAccountsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Short-term deposit accounts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TradeReceivablesMember" xlink:label="ifrs-full_TradeReceivablesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeReceivablesMember" xlink:to="ifrs-full_TradeReceivablesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeReceivablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeReceivablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade receivables</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OtherReceivablesMember" xlink:label="iva_OtherReceivablesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OtherReceivablesMember" xlink:to="iva_OtherReceivablesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OtherReceivablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for other receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OtherReceivablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_OtherReceivablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other receivables</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsCashAndCashEquivalentsMember" xlink:label="iva_IfrsCashAndCashEquivalentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsCashAndCashEquivalentsMember" xlink:to="iva_IfrsCashAndCashEquivalentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsCashAndCashEquivalentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for cash and cash equivalents.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsCashAndCashEquivalentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and Cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IfrsCashAndCashEquivalentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:to="ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets carried at amortized cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets carried at amortized cost</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LongtermBorrowingsMember" xlink:label="ifrs-full_LongtermBorrowingsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LongtermBorrowingsMember" xlink:to="ifrs-full_LongtermBorrowingsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LongtermBorrowingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LongtermBorrowingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-term debt</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DerivativeInstrumentsMember" xlink:label="iva_DerivativeInstrumentsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DerivativeInstrumentsMember" xlink:to="iva_DerivativeInstrumentsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DerivativeInstrumentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for derivative instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DerivativeInstrumentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_DerivativeInstrumentsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative instruments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ShorttermBorrowingsMember" xlink:label="ifrs-full_ShorttermBorrowingsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShorttermBorrowingsMember" xlink:to="ifrs-full_ShorttermBorrowingsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShorttermBorrowingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Short-term debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ShorttermBorrowingsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Short-term debt</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_TradePayablesMember" xlink:label="iva_TradePayablesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_TradePayablesMember" xlink:to="iva_TradePayablesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_TradePayablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for trade payables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_TradePayablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_TradePayablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trade payables</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OtherMiscellaneousPayablesMember" xlink:label="iva_OtherMiscellaneousPayablesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OtherMiscellaneousPayablesMember" xlink:to="iva_OtherMiscellaneousPayablesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OtherMiscellaneousPayablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for other miscellaneous payables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OtherMiscellaneousPayablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other miscellaneous payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_OtherMiscellaneousPayablesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other miscellaneous payables</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:to="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial liabilities carried at amortized cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities carried at amortized cost</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialAssets" xlink:label="ifrs-full_FinancialAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssets" xlink:to="ifrs-full_FinancialAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialAssetsAtFairValue" xlink:label="ifrs-full_FinancialAssetsAtFairValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAtFairValue" xlink:to="ifrs-full_FinancialAssetsAtFairValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets, at fair value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssetsAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial assets, at fair value</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RevenueFromContractsWithCustomers" xlink:label="ifrs-full_RevenueFromContractsWithCustomers" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RevenueFromContractsWithCustomers" xlink:to="ifrs-full_RevenueFromContractsWithCustomers_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RevenueFromContractsWithCustomers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue from contracts with customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RevenueFromContractsWithCustomers_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Revenue</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_CurrentTaxCreditResearchIncome" xlink:label="iva_CurrentTaxCreditResearchIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_CurrentTaxCreditResearchIncome" xlink:to="iva_CurrentTaxCreditResearchIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_CurrentTaxCreditResearchIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of income from tax credit research.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_CurrentTaxCreditResearchIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current Tax Credit Research Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_CurrentTaxCreditResearchIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax Credits</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_SubsidiesIncome" xlink:label="iva_SubsidiesIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_SubsidiesIncome" xlink:to="iva_SubsidiesIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_SubsidiesIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of income from subsidies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_SubsidiesIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subsidies income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_SubsidiesIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subsidies</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsOtherOperatingIncome" xlink:label="iva_IfrsOtherOperatingIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsOtherOperatingIncome" xlink:to="iva_IfrsOtherOperatingIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsOtherOperatingIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsOtherOperatingIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Other Operating Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IfrsOtherOperatingIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:label="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:to="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of attribution of expenses by nature to their function [table]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ServiceContractWithAvantSanteMember" xlink:label="iva_ServiceContractWithAvantSanteMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ServiceContractWithAvantSanteMember" xlink:to="iva_ServiceContractWithAvantSanteMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ServiceContractWithAvantSanteMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for service contract with Avant Sante.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ServiceContractWithAvantSanteMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Service contract with Avant Sante [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ServiceContractWithAvantSanteMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Service contract with Avant Sante</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:label="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:to="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of attribution of expenses by nature to their function [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notes to the income statement</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ProceedsFromLicensingArrangements" xlink:label="iva_ProceedsFromLicensingArrangements" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ProceedsFromLicensingArrangements" xlink:to="iva_ProceedsFromLicensingArrangements_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ProceedsFromLicensingArrangements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount paid on licensing arrangements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ProceedsFromLicensingArrangements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds From Licensing Arrangements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ProceedsFromLicensingArrangements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount received on licensing arrangements</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OtherIncomeRelatingToReinvoicingOfShareOfCostsUnderLicensingAndCollaborationAgreement" xlink:label="iva_OtherIncomeRelatingToReinvoicingOfShareOfCostsUnderLicensingAndCollaborationAgreement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OtherIncomeRelatingToReinvoicingOfShareOfCostsUnderLicensingAndCollaborationAgreement" xlink:to="iva_OtherIncomeRelatingToReinvoicingOfShareOfCostsUnderLicensingAndCollaborationAgreement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OtherIncomeRelatingToReinvoicingOfShareOfCostsUnderLicensingAndCollaborationAgreement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount related to reinvoicing of share of costs incurred under the licensing and collaboration agreements included in other income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OtherIncomeRelatingToReinvoicingOfShareOfCostsUnderLicensingAndCollaborationAgreement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Income, Relating To Reinvoicing Of Share Of Costs Under Licensing And Collaboration Agreement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_OtherIncomeRelatingToReinvoicingOfShareOfCostsUnderLicensingAndCollaborationAgreement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reinvoicing of share of costs incurred included in other income</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OtherIncomeReinvoicingOfSpecificCostsUnderServiceAgreement" xlink:label="iva_OtherIncomeReinvoicingOfSpecificCostsUnderServiceAgreement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OtherIncomeReinvoicingOfSpecificCostsUnderServiceAgreement" xlink:to="iva_OtherIncomeReinvoicingOfSpecificCostsUnderServiceAgreement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OtherIncomeReinvoicingOfSpecificCostsUnderServiceAgreement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount related to reinvoicing of specific costs incurred on services with customer research organization accrued liabilities included in other income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OtherIncomeReinvoicingOfSpecificCostsUnderServiceAgreement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Income, Reinvoicing Of Specific Costs Under Service Agreement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_OtherIncomeReinvoicingOfSpecificCostsUnderServiceAgreement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Reinvoicing of specific costs related to CRO accrued liabilities included in other income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:to="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Attribution of expenses by nature to their function [axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LineItemsByFunctionMember" xlink:label="ifrs-full_LineItemsByFunctionMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LineItemsByFunctionMember" xlink:to="ifrs-full_LineItemsByFunctionMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LineItemsByFunctionMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Line items by function [member]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsResearchAndDevelopmentExpenseMember" xlink:label="iva_IfrsResearchAndDevelopmentExpenseMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsResearchAndDevelopmentExpenseMember" xlink:to="iva_IfrsResearchAndDevelopmentExpenseMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsResearchAndDevelopmentExpenseMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for research and development expense member.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsResearchAndDevelopmentExpenseMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ifrs Research And Development Expense [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IfrsResearchAndDevelopmentExpenseMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Research and development costs</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsSalesAndMarketingExpenseMember" xlink:label="iva_IfrsSalesAndMarketingExpenseMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsSalesAndMarketingExpenseMember" xlink:to="iva_IfrsSalesAndMarketingExpenseMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsSalesAndMarketingExpenseMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for sales and marketing expense member.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsSalesAndMarketingExpenseMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Marketing - Business development expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IfrsSalesAndMarketingExpenseMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Marketing - Business development expenses</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsGeneralAndAdministrativeExpenseMember" xlink:label="iva_IfrsGeneralAndAdministrativeExpenseMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsGeneralAndAdministrativeExpenseMember" xlink:to="iva_IfrsGeneralAndAdministrativeExpenseMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsGeneralAndAdministrativeExpenseMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for general and administrative expense member.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsGeneralAndAdministrativeExpenseMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General and administrative expenses</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Disposables" xlink:label="iva_Disposables" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Disposables" xlink:to="iva_Disposables_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Disposables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to disposables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Disposables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disposables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_Disposables_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disposables</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_EnergyAndLiquids" xlink:label="iva_EnergyAndLiquids" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_EnergyAndLiquids" xlink:to="iva_EnergyAndLiquids_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_EnergyAndLiquids_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to energy and liquids.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_EnergyAndLiquids_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Energy and liquids</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_EnergyAndLiquids_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Energy and liquids</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Patents" xlink:label="iva_Patents" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Patents" xlink:to="iva_Patents_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Patents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to patents.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Patents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Patents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_Patents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Patents</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Studies" xlink:label="iva_Studies" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Studies" xlink:to="iva_Studies_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Studies_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to studies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Studies_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Studies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_Studies_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Studies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RepairsAndMaintenanceExpense" xlink:label="ifrs-full_RepairsAndMaintenanceExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RepairsAndMaintenanceExpense" xlink:to="ifrs-full_RepairsAndMaintenanceExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RepairsAndMaintenanceExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Repairs and maintenance expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_RepairsAndMaintenanceExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maintenance</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_Fees" xlink:label="iva_Fees" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_Fees" xlink:to="iva_Fees_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_Fees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to fees.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_Fees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_Fees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fees</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ItSystems" xlink:label="iva_ItSystems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ItSystems" xlink:to="iva_ItSystems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ItSystems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to it systems.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ItSystems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IT Systems</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_ItSystems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IT systems</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_SupportCosts" xlink:label="iva_SupportCosts" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_SupportCosts" xlink:to="iva_SupportCosts_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_SupportCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to support costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_SupportCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Support costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_SupportCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Support costs (including taxes)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EmployeeBenefitsExpense" xlink:label="ifrs-full_EmployeeBenefitsExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EmployeeBenefitsExpense" xlink:to="ifrs-full_EmployeeBenefitsExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EmployeeBenefitsExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Employee benefits expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_EmployeeBenefitsExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Personnel costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_EmployeeBenefitsExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total personnel costs</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_DepreciationAmortizationAndProvisions" xlink:label="iva_DepreciationAmortizationAndProvisions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_DepreciationAmortizationAndProvisions" xlink:to="iva_DepreciationAmortizationAndProvisions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_DepreciationAmortizationAndProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents information pertaining to depreciation, amortization and provisions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_DepreciationAmortizationAndProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation, amortization and provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_DepreciationAmortizationAndProvisions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Depreciation, amortization and provisions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_InsuranceExpense" xlink:label="ifrs-full_InsuranceExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InsuranceExpense" xlink:to="ifrs-full_InsuranceExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InsuranceExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Insurance expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_InsuranceExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Insurances</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OtherOperatingExpenses" xlink:label="iva_OtherOperatingExpenses" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OtherOperatingExpenses" xlink:to="iva_OtherOperatingExpenses_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OtherOperatingExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to other operating expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OtherOperatingExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other operating expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_OtherOperatingExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other operating expenses</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_OperatingExpenseExcludingOtherOperatingIncomeExpense" xlink:label="iva_OperatingExpenseExcludingOtherOperatingIncomeExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_OperatingExpenseExcludingOtherOperatingIncomeExpense" xlink:to="iva_OperatingExpenseExcludingOtherOperatingIncomeExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_OperatingExpenseExcludingOtherOperatingIncomeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to amount of all operating expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_OperatingExpenseExcludingOtherOperatingIncomeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating Expense Excluding Other Operating Income Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="iva_OperatingExpenseExcludingOtherOperatingIncomeExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total operating expenses</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_InventivaS.aMember" xlink:label="iva_InventivaS.aMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_InventivaS.aMember" xlink:to="iva_InventivaS.aMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_InventivaS.aMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Inventiva S.A, U.S. affiliate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_InventivaS.aMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Inventiva S.A [Member]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfEmployees" xlink:label="ifrs-full_NumberOfEmployees" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfEmployees" xlink:to="ifrs-full_NumberOfEmployees_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfEmployees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of employees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NumberOfEmployees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of employees</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WagesAndSalaries" xlink:label="ifrs-full_WagesAndSalaries" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WagesAndSalaries" xlink:to="ifrs-full_WagesAndSalaries_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WagesAndSalaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Wages and salaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_WagesAndSalaries_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Wages, salaries and similar costs</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PayrollTaxes" xlink:label="iva_PayrollTaxes" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PayrollTaxes" xlink:to="iva_PayrollTaxes_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PayrollTaxes_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">A class of employee benefits expense that represents payroll taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PayrollTaxes_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payroll taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_PayrollTaxes_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payroll taxes</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:label="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:to="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Post-employment benefit expense in profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Provisions for retirement benefit obligations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:to="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expense from share-based payment transactions with employees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share-based payments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfOtherProvisionsTable" xlink:label="ifrs-full_DisclosureOfOtherProvisionsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherProvisionsTable" xlink:to="ifrs-full_DisclosureOfOtherProvisionsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherProvisionsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other provisions [table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:label="ifrs-full_DisclosureOfOtherProvisionsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:to="ifrs-full_DisclosureOfOtherProvisionsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherProvisionsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of other provisions [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfOtherProvisionsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other operating income and expenses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_MiscellaneousOtherOperatingIncome" xlink:label="ifrs-full_MiscellaneousOtherOperatingIncome" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MiscellaneousOtherOperatingIncome" xlink:to="ifrs-full_MiscellaneousOtherOperatingIncome_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MiscellaneousOtherOperatingIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous other operating income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MiscellaneousOtherOperatingIncome_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other operating income</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_MiscellaneousOtherOperatingExpense" xlink:label="ifrs-full_MiscellaneousOtherOperatingExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MiscellaneousOtherOperatingExpense" xlink:to="ifrs-full_MiscellaneousOtherOperatingExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MiscellaneousOtherOperatingExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Miscellaneous other operating expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_MiscellaneousOtherOperatingExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other operating expenses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_InterestIncomeOnCashAndCashEquivalents" xlink:label="ifrs-full_InterestIncomeOnCashAndCashEquivalents" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestIncomeOnCashAndCashEquivalents" xlink:to="ifrs-full_InterestIncomeOnCashAndCashEquivalents_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestIncomeOnCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest income on cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestIncomeOnCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income from cash equivalents</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ForeignExchangeGain" xlink:label="ifrs-full_ForeignExchangeGain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ForeignExchangeGain" xlink:to="ifrs-full_ForeignExchangeGain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ForeignExchangeGain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Foreign exchange gain</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ForeignExchangeGain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Foreign exchange gains</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_FairValueVariationGains" xlink:label="iva_FairValueVariationGains" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_FairValueVariationGains" xlink:to="iva_FairValueVariationGains_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_FairValueVariationGains_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of gains recognized for variation in fair value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_FairValueVariationGains_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value Variation Gains</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_FairValueVariationGains_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gain on fair value variation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_InterestExpense" xlink:label="ifrs-full_InterestExpense" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestExpense" xlink:to="ifrs-full_InterestExpense_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_InterestExpense_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest cost</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ForeignExchangeLoss" xlink:label="ifrs-full_ForeignExchangeLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ForeignExchangeLoss" xlink:to="ifrs-full_ForeignExchangeLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ForeignExchangeLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Foreign exchange loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ForeignExchangeLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Foreign exchange losses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherFinanceCost" xlink:label="ifrs-full_OtherFinanceCost" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherFinanceCost" xlink:to="ifrs-full_OtherFinanceCost_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherFinanceCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other finance cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_OtherFinanceCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other financial expenses</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsFairValueAdjustmentOfWarrants" xlink:label="iva_IfrsFairValueAdjustmentOfWarrants" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsFairValueAdjustmentOfWarrants" xlink:to="iva_IfrsFairValueAdjustmentOfWarrants_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsFairValueAdjustmentOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of expense (income) related to adjustment to fair value of warrant liability.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsFairValueAdjustmentOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Fair Value Adjustment of Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IfrsFairValueAdjustmentOfWarrants_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value of the EIB warrants</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethodBeforeEliminations" xlink:label="iva_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethodBeforeEliminations" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethodBeforeEliminations" xlink:to="iva_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethodBeforeEliminations_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethodBeforeEliminations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share of profit (loss) of associates accounted for using equity method before eliminations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethodBeforeEliminations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share of profit (loss) of associates accounted for using equity method before eliminations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethodBeforeEliminations_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Share of net profit</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_EliminationOfDownstreamSales" xlink:label="iva_EliminationOfDownstreamSales" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_EliminationOfDownstreamSales" xlink:to="iva_EliminationOfDownstreamSales_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_EliminationOfDownstreamSales_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The amount of elimination of downstream sales.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_EliminationOfDownstreamSales_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Elimination Of Downstream Sales</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="iva_EliminationOfDownstreamSales_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Elimination of downstream sales</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TaxRateEffectOfAdjustmentsForCurrentTaxOfPriorPeriods" xlink:label="ifrs-full_TaxRateEffectOfAdjustmentsForCurrentTaxOfPriorPeriods" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxRateEffectOfAdjustmentsForCurrentTaxOfPriorPeriods" xlink:to="ifrs-full_TaxRateEffectOfAdjustmentsForCurrentTaxOfPriorPeriods_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxRateEffectOfAdjustmentsForCurrentTaxOfPriorPeriods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tax rate effect of adjustments for current tax of prior periods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TaxRateEffectOfAdjustmentsForCurrentTaxOfPriorPeriods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Projected tax rate</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:label="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods" xlink:to="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current tax expense (income) and adjustments for current tax of prior periods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Current taxes</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ClinicalTrialsMember" xlink:label="iva_ClinicalTrialsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ClinicalTrialsMember" xlink:to="iva_ClinicalTrialsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ClinicalTrialsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Clinical Trials(CRO).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ClinicalTrialsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Clinical Trials [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ClinicalTrialsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CRO</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ContractManufacturingOrganizationsMember" xlink:label="iva_ContractManufacturingOrganizationsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ContractManufacturingOrganizationsMember" xlink:to="iva_ContractManufacturingOrganizationsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ContractManufacturingOrganizationsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Contract Manufacturing Organizations(CMO).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ContractManufacturingOrganizationsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contract Manufacturing Organizations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ContractManufacturingOrganizationsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CMO</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherContingentLiabilitiesMember" xlink:label="ifrs-full_OtherContingentLiabilitiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherContingentLiabilitiesMember" xlink:to="ifrs-full_OtherContingentLiabilitiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherContingentLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other contingent liabilities [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherContingentLiabilitiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PharmaceuticalResearchAssociatesMember" xlink:label="iva_PharmaceuticalResearchAssociatesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PharmaceuticalResearchAssociatesMember" xlink:to="iva_PharmaceuticalResearchAssociatesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PharmaceuticalResearchAssociatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Pharmaceutical Research Associates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PharmaceuticalResearchAssociatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Pharmaceutical Research Associates [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_PharmaceuticalResearchAssociatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Pharmaceutical Research Associates</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ChiaTaiTianqingMember" xlink:label="iva_ChiaTaiTianqingMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ChiaTaiTianqingMember" xlink:to="iva_ChiaTaiTianqingMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ChiaTaiTianqingMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">It Represents the member of chia tai tianqing.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ChiaTaiTianqingMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Chia Tai Tianqing [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ChiaTaiTianqingMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CTTQ</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ContractCroWithResearchAssociatesGroupeB.vMember" xlink:label="iva_ContractCroWithResearchAssociatesGroupeB.vMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ContractCroWithResearchAssociatesGroupeB.vMember" xlink:to="iva_ContractCroWithResearchAssociatesGroupeB.vMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ContractCroWithResearchAssociatesGroupeB.vMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to Contract CRO with PRA.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ContractCroWithResearchAssociatesGroupeB.vMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contract CRO with Pharmaceutical Research Associates B.V.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ContractCroWithResearchAssociatesGroupeB.vMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contract CRO with Pharmaceutical Research Associates B.V.</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ContractualCapitalCommitments" xlink:label="ifrs-full_ContractualCapitalCommitments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContractualCapitalCommitments" xlink:to="ifrs-full_ContractualCapitalCommitments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContractualCapitalCommitments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contractual capital commitments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ContractualCapitalCommitments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total commitments given</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_AgreementsConcerningProvisionOfFacilities" xlink:label="iva_AgreementsConcerningProvisionOfFacilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_AgreementsConcerningProvisionOfFacilities" xlink:to="iva_AgreementsConcerningProvisionOfFacilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_AgreementsConcerningProvisionOfFacilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of agreements concerning provision of facilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_AgreementsConcerningProvisionOfFacilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Agreements concerning the provision of facilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_AgreementsConcerningProvisionOfFacilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Agreements concerning the provision of facilities</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ContractualCapitalCommitmentReceived" xlink:label="iva_ContractualCapitalCommitmentReceived" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ContractualCapitalCommitmentReceived" xlink:to="iva_ContractualCapitalCommitmentReceived_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ContractualCapitalCommitmentReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of contractual capital commitment received.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ContractualCapitalCommitmentReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Contractual Capital Commitment Received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="iva_ContractualCapitalCommitmentReceived_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total commitments received</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_CommitmentsAmountPayableForServicesReceivedUnderContract" xlink:label="iva_CommitmentsAmountPayableForServicesReceivedUnderContract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_CommitmentsAmountPayableForServicesReceivedUnderContract" xlink:to="iva_CommitmentsAmountPayableForServicesReceivedUnderContract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_CommitmentsAmountPayableForServicesReceivedUnderContract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commitment amount payable for services received under contract.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_CommitmentsAmountPayableForServicesReceivedUnderContract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commitments Amount Payable For Services Received Under Contract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="iva_CommitmentsAmountPayableForServicesReceivedUnderContract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount committed to pay</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_CommitmentContractualBonusOrMalusCappedAmount" xlink:label="iva_CommitmentContractualBonusOrMalusCappedAmount" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_CommitmentContractualBonusOrMalusCappedAmount" xlink:to="iva_CommitmentContractualBonusOrMalusCappedAmount_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_CommitmentContractualBonusOrMalusCappedAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of commitment contractual bonus or malus capped amount.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_CommitmentContractualBonusOrMalusCappedAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commitment Contractual Bonus Or Malus Capped Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_CommitmentContractualBonusOrMalusCappedAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Bonus or malus capped amount</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsotherFinancialInformationTable" xlink:label="iva_IfrsotherFinancialInformationTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsotherFinancialInformationTable" xlink:to="iva_IfrsotherFinancialInformationTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsotherFinancialInformationTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule disclosing information related to other financial information.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsotherFinancialInformationTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRSOther Financial Information [Table]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PresentationOfResultsFromStudyMember" xlink:label="iva_PresentationOfResultsFromStudyMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PresentationOfResultsFromStudyMember" xlink:to="iva_PresentationOfResultsFromStudyMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PresentationOfResultsFromStudyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to the presentation of results from a study.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PresentationOfResultsFromStudyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Presentation of results from study [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_PresentationOfResultsFromStudyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Presentation of results from study</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IssuanceOfRoyaltyCertificatesMember" xlink:label="iva_IssuanceOfRoyaltyCertificatesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IssuanceOfRoyaltyCertificatesMember" xlink:to="iva_IssuanceOfRoyaltyCertificatesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IssuanceOfRoyaltyCertificatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for issuance of royalty certificates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IssuanceOfRoyaltyCertificatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issuance of Royalty Certificates [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IssuanceOfRoyaltyCertificatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issuance of royalty certificates</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_FinancingAgreementInThreePhasesMember" xlink:label="iva_FinancingAgreementInThreePhasesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_FinancingAgreementInThreePhasesMember" xlink:to="iva_FinancingAgreementInThreePhasesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_FinancingAgreementInThreePhasesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for financing agreement entered in three phases.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_FinancingAgreementInThreePhasesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financing Agreement in Three Phases [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_FinancingAgreementInThreePhasesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financing agreement in three phases</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IssuanceOfSharesWithoutPreferentialSubscriptionRightsMember" xlink:label="iva_IssuanceOfSharesWithoutPreferentialSubscriptionRightsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IssuanceOfSharesWithoutPreferentialSubscriptionRightsMember" xlink:to="iva_IssuanceOfSharesWithoutPreferentialSubscriptionRightsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IssuanceOfSharesWithoutPreferentialSubscriptionRightsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for issue of shares without preferential subscription rights.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IssuanceOfSharesWithoutPreferentialSubscriptionRightsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issuance of Shares Without Preferential Subscription Rights [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IssuanceOfSharesWithoutPreferentialSubscriptionRightsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issuance of shares without preferential subscription rights</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IssuanceOfSharesOrWarrantsWithoutPreferentialSubscriptionRightsMember" xlink:label="iva_IssuanceOfSharesOrWarrantsWithoutPreferentialSubscriptionRightsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IssuanceOfSharesOrWarrantsWithoutPreferentialSubscriptionRightsMember" xlink:to="iva_IssuanceOfSharesOrWarrantsWithoutPreferentialSubscriptionRightsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IssuanceOfSharesOrWarrantsWithoutPreferentialSubscriptionRightsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for issue of shares or warrants without preferential subscription rights.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IssuanceOfSharesOrWarrantsWithoutPreferentialSubscriptionRightsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issuance of Shares or Warrants Without Preferential Subscription Rights [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IssuanceOfSharesOrWarrantsWithoutPreferentialSubscriptionRightsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issuance of shares or warrants without preferential subscription rights</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IssuanceOfSharesOrWarrantsSubjectToConditionsMember" xlink:label="iva_IssuanceOfSharesOrWarrantsSubjectToConditionsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IssuanceOfSharesOrWarrantsSubjectToConditionsMember" xlink:to="iva_IssuanceOfSharesOrWarrantsSubjectToConditionsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IssuanceOfSharesOrWarrantsSubjectToConditionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for issue of shares or warrants subject to conditions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IssuanceOfSharesOrWarrantsSubjectToConditionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issuance of Shares or Warrants Subject to Conditions [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IssuanceOfSharesOrWarrantsSubjectToConditionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Issuance of shares or warrants subject to conditions</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_FinancingThroughFundRaisingMember" xlink:label="iva_FinancingThroughFundRaisingMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_FinancingThroughFundRaisingMember" xlink:to="iva_FinancingThroughFundRaisingMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_FinancingThroughFundRaisingMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for financing through fund raising.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_FinancingThroughFundRaisingMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financing Through Fund Raising [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_FinancingThroughFundRaisingMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financing through fund raising</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_StatementScenarioAxis" xlink:label="srt_StatementScenarioAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementScenarioAxis" xlink:to="srt_StatementScenarioAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_StatementScenarioAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Scenario [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScenarioUnspecifiedDomain" xlink:label="srt_ScenarioUnspecifiedDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScenarioUnspecifiedDomain" xlink:to="srt_ScenarioUnspecifiedDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Scenario [Domain]</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ScenarioOneMember" xlink:label="iva_ScenarioOneMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ScenarioOneMember" xlink:to="iva_ScenarioOneMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ScenarioOneMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for scenario one.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ScenarioOneMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Scenario One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ScenarioOneMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">First tranche</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ScenarioTwoMember" xlink:label="iva_ScenarioTwoMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ScenarioTwoMember" xlink:to="iva_ScenarioTwoMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ScenarioTwoMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for scenario two.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ScenarioTwoMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Scenario Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ScenarioTwoMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Second tranche</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ScenarioThreeMember" xlink:label="iva_ScenarioThreeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ScenarioThreeMember" xlink:to="iva_ScenarioThreeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ScenarioThreeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for scenario three.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ScenarioThreeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Scenario Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ScenarioThreeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Third tranche upon publication of pivotal data</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsotherFinancialInformationLineItems" xlink:label="iva_IfrsotherFinancialInformationLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsotherFinancialInformationLineItems" xlink:to="iva_IfrsotherFinancialInformationLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsotherFinancialInformationLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsotherFinancialInformationLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRSOther Financial Information [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IfrsotherFinancialInformationLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Events after the reporting date</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PercentageOfPatientsInTrialEnrolledInMainCohort" xlink:label="iva_PercentageOfPatientsInTrialEnrolledInMainCohort" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PercentageOfPatientsInTrialEnrolledInMainCohort" xlink:to="iva_PercentageOfPatientsInTrialEnrolledInMainCohort_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PercentageOfPatientsInTrialEnrolledInMainCohort_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of patients in trail enrolled in main cohort.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PercentageOfPatientsInTrialEnrolledInMainCohort_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Patients in Trial, Enrolled in Main Cohort</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_PercentageOfPatientsInTrialEnrolledInMainCohort_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of patients in trial, enrolled in main cohort</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PercentageOfPatientsInTrialEnrolledInExploratoryCohort" xlink:label="iva_PercentageOfPatientsInTrialEnrolledInExploratoryCohort" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PercentageOfPatientsInTrialEnrolledInExploratoryCohort" xlink:to="iva_PercentageOfPatientsInTrialEnrolledInExploratoryCohort_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PercentageOfPatientsInTrialEnrolledInExploratoryCohort_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The percentage of patients in trail enrolled in exploratory cohort.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PercentageOfPatientsInTrialEnrolledInExploratoryCohort_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Patients in Trial, Enrolled in Exploratory Cohort</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_PercentageOfPatientsInTrialEnrolledInExploratoryCohort_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of patients in trial, enrolled in exploratory cohort</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_NumberOfRoyaltyCertificatesIssued" xlink:label="iva_NumberOfRoyaltyCertificatesIssued" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_NumberOfRoyaltyCertificatesIssued" xlink:to="iva_NumberOfRoyaltyCertificatesIssued_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_NumberOfRoyaltyCertificatesIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of royalty certificates issued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_NumberOfRoyaltyCertificatesIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Royalty Certificates Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_NumberOfRoyaltyCertificatesIssued_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of royalty certificates issued</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_ProceedsFromFinancing" xlink:label="iva_ProceedsFromFinancing" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_ProceedsFromFinancing" xlink:to="iva_ProceedsFromFinancing_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_ProceedsFromFinancing_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of cash proceeds from financing.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_ProceedsFromFinancing_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Proceeds From Financing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_ProceedsFromFinancing_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gross cash proceeds</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOrWarrantsOfCompany" xlink:label="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOrWarrantsOfCompany" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOrWarrantsOfCompany" xlink:to="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOrWarrantsOfCompany_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOrWarrantsOfCompany_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate amount to be received by the company, either in exchange for new shares or warrants of the Company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOrWarrantsOfCompany_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate Amount To Be Received Either In Exchange For New Shares or Warrants Of The Company</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_AggregateAmountToBeReceivedEitherInExchangeForNewSharesOrWarrantsOfCompany_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate amount to be received either in exchange for new shares or warrants</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_StockIssuedDuringPeriodValue" xlink:label="iva_StockIssuedDuringPeriodValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_StockIssuedDuringPeriodValue" xlink:to="iva_StockIssuedDuringPeriodValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_StockIssuedDuringPeriodValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_StockIssuedDuringPeriodValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Stock Issued During Period, Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_StockIssuedDuringPeriodValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Stock issued during period</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_StockIssuedDuringPeriodShares" xlink:label="iva_StockIssuedDuringPeriodShares" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_StockIssuedDuringPeriodShares" xlink:to="iva_StockIssuedDuringPeriodShares_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_StockIssuedDuringPeriodShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The number of shares issued during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_StockIssuedDuringPeriodShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Stock Issued During Period, Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_StockIssuedDuringPeriodShares_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of shares issued during the period</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_IfrsClassOfWarrantOrRightValueOfNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="iva_IfrsClassOfWarrantOrRightValueOfNumberOfSecuritiesCalledByWarrantsOrRights" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_IfrsClassOfWarrantOrRightValueOfNumberOfSecuritiesCalledByWarrantsOrRights" xlink:to="iva_IfrsClassOfWarrantOrRightValueOfNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_IfrsClassOfWarrantOrRightValueOfNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Value of securities into which the class of warrant or right may be converted.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_IfrsClassOfWarrantOrRightValueOfNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">IFRS Class of Warrant or Right, Value of Number of Securities Called by Warrants or Rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_IfrsClassOfWarrantOrRightValueOfNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Class of warrant or right, value of number of securities</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_MinimumAmountCommittedForFundRaising" xlink:label="iva_MinimumAmountCommittedForFundRaising" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_MinimumAmountCommittedForFundRaising" xlink:to="iva_MinimumAmountCommittedForFundRaising_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_MinimumAmountCommittedForFundRaising_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The minimum amount committed for borrowing under the agreement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_MinimumAmountCommittedForFundRaising_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum Amount Committed For Fund Raising</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_MinimumAmountCommittedForFundRaising_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum amount committed for fund raising</label>
    <loc xlink:type="locator" xlink:href="iva-20240630.xsd#iva_PeriodWithinWhichPaymentIsReceivedFromSettlement" xlink:label="iva_PeriodWithinWhichPaymentIsReceivedFromSettlement" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="iva_PeriodWithinWhichPaymentIsReceivedFromSettlement" xlink:to="iva_PeriodWithinWhichPaymentIsReceivedFromSettlement_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="iva_PeriodWithinWhichPaymentIsReceivedFromSettlement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The period within which the payment is made from settlement date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="iva_PeriodWithinWhichPaymentIsReceivedFromSettlement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Period Within Which Payment is Received From Settlement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="iva_PeriodWithinWhichPaymentIsReceivedFromSettlement_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Received from settlement</label>
  </link:labelLink>
</link:linkbase>
