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  <xs:element id="lpsn_DebtInstrumentConvertibleCarryingAmountOfEquityComponentNetOfIssuanceCosts" abstract="false" name="DebtInstrumentConvertibleCarryingAmountOfEquityComponentNetOfIssuanceCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_TwoThousandPlanMember" abstract="true" name="TwoThousandPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_AggregatePrincipalFromExerciseInFullOfOverAllotmentOptions" abstract="false" name="AggregatePrincipalFromExerciseInFullOfOverAllotmentOptions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ShareBasedCompensationAccrualForCashAwardsToBeSettledInStockBonus" abstract="false" name="ShareBasedCompensationAccrualForCashAwardsToBeSettledInStockBonus" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesinPeriodFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesinPeriodFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_OtherRestructuringRightOfUseAssetWriteDownMember" abstract="true" name="OtherRestructuringRightOfUseAssetWriteDownMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestAggregateIntrinsicValue" abstract="false" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestAggregateIntrinsicValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_SegmentReportingUnallocatedCorporateExpenses" abstract="false" name="SegmentReportingUnallocatedCorporateExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ConvertibleDebtEquityComponentAbstract" abstract="true" name="ConvertibleDebtEquityComponentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_DebtInstrumentConvertibleFiveDayPeriodThresholdOfProductOfSalePriceOfStockAndConversionRate" abstract="false" name="DebtInstrumentConvertibleFiveDayPeriodThresholdOfProductOfSalePriceOfStockAndConversionRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="lpsn_IncreaseDecreaseinDeferredRevenueCurrent" abstract="false" name="IncreaseDecreaseinDeferredRevenueCurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseSection162" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseSection162" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="lpsn_BotCentralMember" abstract="true" name="BotCentralMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_DefinedContributionPlanMatchGroupsAxis" abstract="true" name="DefinedContributionPlanMatchGroupsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_ContractBalancesRollForward" abstract="true" name="ContractBalancesRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_ConvertibleSeniorNotesDue2024Member" abstract="true" name="ConvertibleSeniorNotesDue2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_OtherRestructuring.OtherLeaseRestructuringMember" abstract="true" name="OtherRestructuring.OtherLeaseRestructuringMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_IncreaseDecreaseInBilledAndUnbilledReceivables" abstract="false" name="IncreaseDecreaseInBilledAndUnbilledReceivables" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_TwoThousandNineteenEmployeeStockPurchasePlanMember" abstract="true" name="TwoThousandNineteenEmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_OtherRestructuringPropertyAndEquipmentAbandonmentMember" abstract="true" name="OtherRestructuringPropertyAndEquipmentAbandonmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_AdjustmentstoAdditionalPaidinCapitalDebtConversionOptionIssuanceCosts" abstract="false" name="AdjustmentstoAdditionalPaidinCapitalDebtConversionOptionIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ShareBasedCompensationAccrualForCashAwardsToBeSettledInStockAchievementOfIncentivePlanAwards" abstract="false" name="ShareBasedCompensationAccrualForCashAwardsToBeSettledInStockAchievementOfIncentivePlanAwards" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_OperatingLeaseLiabilitySupplementalCashFlow" abstract="false" name="OperatingLeaseLiabilitySupplementalCashFlow" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ConsumerBusinessMember" abstract="true" name="ConsumerBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_ConversableIncMember" abstract="true" name="ConversableIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_ComputerEquipmentAndSoftwareMember" abstract="true" name="ComputerEquipmentAndSoftwareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_EstimatedSalesTaxLiabilityIncludingInterestMaximum" abstract="false" name="EstimatedSalesTaxLiabilityIncludingInterestMaximum" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_SummaryOfOperationsPolicyTextBlock" abstract="false" name="SummaryOfOperationsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="lpsn_EstimatedSalesTaxLiabilityIncludingInterestMinimum" abstract="false" name="EstimatedSalesTaxLiabilityIncludingInterestMinimum" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_FurnitureEquipmentAndBuildingImprovementsMember" abstract="true" name="FurnitureEquipmentAndBuildingImprovementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateFairValueAbstract" abstract="true" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateFairValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_CappedCallsInitialCapPrice" abstract="false" name="CappedCallsInitialCapPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:perShareItemType"/>
  <xs:element id="lpsn_NOLExpirationPeriodTrancheTwoMember" abstract="true" name="NOLExpirationPeriodTrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_LetterOfCreditForSecurityDepositMember" abstract="true" name="LetterOfCreditForSecurityDepositMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_DebtInstrumentUnitOfPrincipalForConversionAmount" abstract="false" name="DebtInstrumentUnitOfPrincipalForConversionAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_IncreaseDecreaseInCapitalizedContractCost" abstract="false" name="IncreaseDecreaseInCapitalizedContractCost" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_PaymentForContingentConsiderationValueEquitySharesIssued" abstract="false" name="PaymentForContingentConsiderationValueEquitySharesIssued" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_DeferredFinanceCostsAllocatedToEquityComponent" abstract="false" name="DeferredFinanceCostsAllocatedToEquityComponent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_LesseeFinancingLeasesAbstract" abstract="true" name="LesseeFinancingLeasesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_InternalUseSoftwareDevelopmentCostsBalanceNotSubjectToAmortization" abstract="false" name="InternalUseSoftwareDevelopmentCostsBalanceNotSubjectToAmortization" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_TwoThousandNinePlanMember" abstract="true" name="TwoThousandNinePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxIncomeInclusion" abstract="false" name="EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxIncomeInclusion" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="lpsn_TechnologyMember" abstract="true" name="TechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_DeferredTaxAssetsLeaseLiabilities" abstract="false" name="DeferredTaxAssetsLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_DefinedContributionPlanMatchGroupsDomain" abstract="true" name="DefinedContributionPlanMatchGroupsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_AmortizationofIntangibleAssetsNonproduction" abstract="false" name="AmortizationofIntangibleAssetsNonproduction" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_PotentialEarnOutContingentConsiderationPaymentsTargetBased" abstract="false" name="PotentialEarnOutContingentConsiderationPaymentsTargetBased" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_StockIssuedDuringPeriodSharesEarnoutPayment" abstract="false" name="StockIssuedDuringPeriodSharesEarnoutPayment" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lpsn_LeaseRestructuringExpenses" abstract="false" name="LeaseRestructuringExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_HostedServicesConsumerMember" abstract="true" name="HostedServicesConsumerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_NineteenNinetyEightPlanMember" abstract="true" name="NineteenNinetyEightPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_DeferredTaxAssetsOriginalIssueDiscount" abstract="false" name="DeferredTaxAssetsOriginalIssueDiscount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_TransitionToEmployeeCentricModelMember" abstract="true" name="TransitionToEmployeeCentricModelMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_OperatingLossCarryforwardsGeneratedInTaxableYearsEndingOnOrBeforeDecember312017" abstract="false" name="OperatingLossCarryforwardsGeneratedInTaxableYearsEndingOnOrBeforeDecember312017" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ShareBasedCompensationAccrualForCashAwardsToBeSettledInStock" abstract="false" name="ShareBasedCompensationAccrualForCashAwardsToBeSettledInStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_BusinessCombinationContingentConsiderationArrangementsChangeinAmountofContingentConsideration" abstract="false" name="BusinessCombinationContingentConsiderationArrangementsChangeinAmountofContingentConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_AmortizationOfIntangibleAssetsAndFinanceLeases" abstract="false" name="AmortizationOfIntangibleAssetsAndFinanceLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_LesseeOperatingLeasesAbstract" abstract="true" name="LesseeOperatingLeasesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_MatchingTrancheTwoMember" abstract="true" name="MatchingTrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_ScheduleOfDeferredRevenueBySourceTableTextBlock" abstract="false" name="ScheduleOfDeferredRevenueBySourceTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="lpsn_DebtInstrumentConvertibleNumberofEquityInstrumentsPer1000Principal" abstract="false" name="DebtInstrumentConvertibleNumberofEquityInstrumentsPer1000Principal" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="lpsn_StockIssuedDuringPeriodValueEarnoutPayment" abstract="false" name="StockIssuedDuringPeriodValueEarnoutPayment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_LetterOfCreditForOfficeSpaceMember" abstract="true" name="LetterOfCreditForOfficeSpaceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_IncreaseDecreaseInPrepaidExpenseAndOtherCurrentAssets" abstract="false" name="IncreaseDecreaseInPrepaidExpenseAndOtherCurrentAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ConvertibleSeniorNotesDue2026Member" abstract="true" name="ConvertibleSeniorNotesDue2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_OrganizationConsolidationAndSummaryOfSignificantAccountingPoliciesTable" abstract="true" name="OrganizationConsolidationAndSummaryOfSignificantAccountingPoliciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_AdjustmentstoAdditionalPaidinCapitalCappedCallOptionIssuanceCosts" abstract="false" name="AdjustmentstoAdditionalPaidinCapitalCappedCallOptionIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_TenantAllowanceAmortizationLessee" abstract="false" name="TenantAllowanceAmortizationLessee" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ScheduleOfReceivablesContractAcquisitionCostsAndDeferredRevenueTableTextBlock" abstract="false" name="ScheduleOfReceivablesContractAcquisitionCostsAndDeferredRevenueTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="lpsn_UnitedKingdomGermanyJapanFranceItalySpainCanadaSingaporeMember" abstract="true" name="UnitedKingdomGermanyJapanFranceItalySpainCanadaSingaporeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_NumberOfSharesOfCommonStockCoveredByCappedCalls" abstract="false" name="NumberOfSharesOfCommonStockCoveredByCappedCalls" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lpsn_HostedServicesBusinessMember" abstract="true" name="HostedServicesBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="lpsn_OrganizationConsolidationAndSummaryOfSignificantAccountingPoliciesLineItems" abstract="true" name="OrganizationConsolidationAndSummaryOfSignificantAccountingPoliciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
</xs:schema>
