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  <xsd:element id="ater_AccruedExpensesAndOtherLiabilitiesCurrent" name="AccruedExpensesAndOtherLiabilitiesCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="ater_AccruedFulfillmentExpense" name="AccruedFulfillmentExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="ater_AccruedLiabilityMember" name="AccruedLiabilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_AccruedLogisticsCostsCurrent" name="AccruedLogisticsCostsCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="ater_AcquisitionDateFairValueOfContingentEarnOutLiabilitiesAndInventoryToBeSettledInShares" name="AcquisitionDateFairValueOfContingentEarnOutLiabilitiesAndInventoryToBeSettledInShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="ater_AdjustmentsToAdditionalPaidInCapitalGainLossOnInitialIssuanceOfEquity" name="AdjustmentsToAdditionalPaidInCapitalGainLossOnInitialIssuanceOfEquity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="ater_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationWarrantsIssued" name="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationWarrantsIssued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_AmazonSalesPlatformMember" name="AmazonSalesPlatformMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_AmortizationOfDeferredFinancingCostsAndDebtDiscounts" name="AmortizationOfDeferredFinancingCostsAndDebtDiscounts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_AssetBackedCreditFacilityMember" name="AssetBackedCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_Aterian2014EquityIncentivePlanMember" name="Aterian2014EquityIncentivePlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_Aterian2018EquityIncentivePlanMember" name="Aterian2018EquityIncentivePlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_Aterion2019EquityPlanMember" name="Aterion2019EquityPlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_BusinessCombinationConsiderationTransferredValueOfCertainInventory" name="BusinessCombinationConsiderationTransferredValueOfCertainInventory" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="ater_ClassOfWarrantOrRightSalePrice" name="ClassOfWarrantOrRightSalePrice" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="ater_CommonStockWarrantMember" name="CommonStockWarrantMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_CommonStockWarrantsAndPrefundedWarrantsMember" name="CommonStockWarrantsAndPrefundedWarrantsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_CommonStockWarrantsMember" name="CommonStockWarrantsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_ComputerEquipmentAndSoftwareMember" name="ComputerEquipmentAndSoftwareMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_ContingentConsiderationEarnOutPayments" name="ContingentConsiderationEarnOutPayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_ContractorsMember" name="ContractorsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_CookwareKitchenToolsAndGadgetsMember" name="CookwareKitchenToolsAndGadgetsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_DeferredTaxAssetsFinitelivedIntangibleAssets" name="DeferredTaxAssetsFinitelivedIntangibleAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="ater_DeferredTaxAssetsIndefinitelivedIntangibleAssets" name="DeferredTaxAssetsIndefinitelivedIntangibleAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="ater_DeferredTaxLiabilitiesContingentConsideration" name="DeferredTaxLiabilitiesContingentConsideration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="ater_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_EarnOutPaymentAmount" name="EarnOutPaymentAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_EarnoutPaymentDisputeMember" name="EarnoutPaymentDisputeMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExcludingOtherAmount" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExcludingOtherAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_EmployeesMember" name="EmployeesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_EssentialOilsAndRelatedAccessoriesMember" name="EssentialOilsAndRelatedAccessoriesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_ExerciseOfWarrants" name="ExerciseOfWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="ater_ExerciseOfWarrantsCashFlowEffect" name="ExerciseOfWarrantsCashFlowEffect" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_FirstPaymentMember" name="FirstPaymentMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_FourCustomersMember" name="FourCustomersMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_FurnitureFixturesAndEquipmentMember" name="FurnitureFixturesAndEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_GainLossOnIssuanceOfEquity" name="GainLossOnIssuanceOfEquity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_HealthAndBeautyMember" name="HealthAndBeautyMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_HeatingCoolingAndAirQualityMember" name="HeatingCoolingAndAirQualityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_HomeOfficeMember" name="HomeOfficeMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_HousewaresMember" name="HousewaresMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_IncomeTaxRateReconciliationChangeInFairValueContingentConsideration" name="IncomeTaxRateReconciliationChangeInFairValueContingentConsideration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="ater_IncomeTaxRateReconciliationDebtExtinguishment" name="IncomeTaxRateReconciliationDebtExtinguishment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="ater_IncomeTaxRateReconciliationWarrantLiabilities" name="IncomeTaxRateReconciliationWarrantLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="ater_IncreaseDecreaseInAccountsPayableAccruedAndOtherLiabilities" name="IncreaseDecreaseInAccountsPayableAccruedAndOtherLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_InducementEquityIncentivePlanMember" name="InducementEquityIncentivePlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_InsidersMember" name="InsidersMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_InventoriesAndCostOfGoodsSoldPolicyTextBlock" name="InventoriesAndCostOfGoodsSoldPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_IssuanceOfCommonStock" name="IssuanceOfCommonStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="ater_IssuanceOfCommonStockRelatedToExerciseOfWarrants" name="IssuanceOfCommonStockRelatedToExerciseOfWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="ater_IssuanceOfWarrantsFairValue" name="IssuanceOfWarrantsFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_KitchenAppliancesMember" name="KitchenAppliancesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_LineOfCreditFacilityCovenantMinimumLiquidityRequirements" name="LineOfCreditFacilityCovenantMinimumLiquidityRequirements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="ater_LineOfCreditFacilityMaximumLiquidityRequirementsAtAllOtherTimes" name="LineOfCreditFacilityMaximumLiquidityRequirementsAtAllOtherTimes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="ater_LineOfCreditFacilityMaximumLiquidityRequirementsDuringPeriod" name="LineOfCreditFacilityMaximumLiquidityRequirementsDuringPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="ater_LineOfCreditFacilityNumberOfInstallments" name="LineOfCreditFacilityNumberOfInstallments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_LitigationSettlementAmountPayableToOtherParty" name="LitigationSettlementAmountPayableToOtherParty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="ater_LitigationSettlementCouponsAwarded" name="LitigationSettlementCouponsAwarded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="ater_LitigationSettlementInCash" name="LitigationSettlementInCash" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_MidcapCreditFacilityMember" name="MidcapCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_MidcapWarrantMember" name="MidcapWarrantMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_MullerAustriaMember" name="MullerAustriaMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_NonCashInitialIssuanceOfEquity" name="NonCashInitialIssuanceOfEquity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="ater_NoncashConsiderationPaidToContractors" name="NoncashConsiderationPaidToContractors" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="ater_NoncashIssuanceOfCommonStock" name="NoncashIssuanceOfCommonStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_NoteToFinancialStatementDetailsTextual" name="NoteToFinancialStatementDetailsTextual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_NotesToFinancialStatements" name="NotesToFinancialStatements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_NumberOfCustomers" name="NumberOfCustomers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_NumberOfRestructuringPlans" name="NumberOfRestructuringPlans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/>
  <xsd:element id="ater_OperatingLeaseRightOfUseAssetCurrent" name="OperatingLeaseRightOfUseAssetCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="ater_OperatingLeaseRightOfUseAssetNoncurrent" name="OperatingLeaseRightOfUseAssetNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="ater_OtherThanNorthAmericaMember" name="OtherThanNorthAmericaMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_PaperBusinessAndKitchenApplianceBusinessMember" name="PaperBusinessAndKitchenApplianceBusinessMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_PaymentsOfInsuranceObligationFinancingActivities" name="PaymentsOfInsuranceObligationFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="ater_PaymentsToAcquireStepAndGoAssets" name="PaymentsToAcquireStepAndGoAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="ater_PayrollRelatedCreditsCovid19" name="PayrollRelatedCreditsCovid19" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="ater_PersonalProtectiveEquipmentMember" name="PersonalProtectiveEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_PrefundedWarrantsMember" name="PrefundedWarrantsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_PrepaidExpensesAndOtherCurrentAssetsTextBlock" name="PrepaidExpensesAndOtherCurrentAssetsTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_PrepaidFreightForwarder" name="PrepaidFreightForwarder" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="ater_PrepaidInventory" name="PrepaidInventory" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="ater_ProceedsFromInsuranceFinancingActivities" name="ProceedsFromInsuranceFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="ater_ProceedsToBeReceivedFromSettlementAgreement" name="ProceedsToBeReceivedFromSettlementAgreement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="ater_ProductRelatedAccruals" name="ProductRelatedAccruals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="ater_ProvisionForBarterCredits" name="ProvisionForBarterCredits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="ater_ProvisionForSalesReturns" name="ProvisionForSalesReturns" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_RegisteredDirectOfferingMember" name="RegisteredDirectOfferingMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_RestrictedCashMember" name="RestrictedCashMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_RestructuringPlanEffectedContractors" name="RestructuringPlanEffectedContractors" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_RestructuringPlanEffectedEmployees" name="RestructuringPlanEffectedEmployees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_RetentionBonusSettlementMember" name="RetentionBonusSettlementMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_ReverseStockSplitMember" name="ReverseStockSplitMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_SabbyVolatilityWarrantMasterFundLtdMember" name="SabbyVolatilityWarrantMasterFundLtdMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_SalesAndDistributionPolicyTextBlock" name="SalesAndDistributionPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock" name="ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_SecuritiesClassActionMember" name="SecuritiesClassActionMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_SecuritiesPurchaseAgreementMember" name="SecuritiesPurchaseAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_SellersBrokersMember" name="SellersBrokersMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_SeptemberPurchaseAgreementsMember" name="SeptemberPurchaseAgreementsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_SettlementAgreementMember" name="SettlementAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_ShippingAndHandlingCosts" name="ShippingAndHandlingCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_SmashAssetsMember" name="SmashAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_SquattyPottyLlcMember" name="SquattyPottyLlcMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_StepAndGoMember" name="StepAndGoMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_StipulationMember" name="StipulationMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_StockAndWarrantsCombinedIssuancePrice" name="StockAndWarrantsCombinedIssuancePrice" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType" xbrli:periodType="instant"/>
  <xsd:element id="ater_StockIssuedDuringPeriodSharesCommonStock" name="StockIssuedDuringPeriodSharesCommonStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_StockIssuedDuringPeriodSharesSettlementOfDebt" name="StockIssuedDuringPeriodSharesSettlementOfDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_StockIssuedDuringPeriodSharesWarrantExercises" name="StockIssuedDuringPeriodSharesWarrantExercises" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_StockIssuedDuringPeriodValueCommonStock" name="StockIssuedDuringPeriodValueCommonStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="ater_StockIssuedDuringPeriodValueSettlementOfDebt" name="StockIssuedDuringPeriodValueSettlementOfDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_TermSecuredOvernightFinancingRateMember" name="TermSecuredOvernightFinancingRateMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_TerminatedNotesMember" name="TerminatedNotesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_ThirdPartyMember" name="ThirdPartyMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_ThreeCustomersMember" name="ThreeCustomersMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_TransitionServicesAgreementMember" name="TransitionServicesAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_VestingOnFirstAnniversaryMember" name="VestingOnFirstAnniversaryMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_VestingOnProRataBasisOverRemainingPeriodMember" name="VestingOnProRataBasisOverRemainingPeriodMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_WarrantLiability" name="WarrantLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="ater_WarrantLiabilityCurrent" name="WarrantLiabilityCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="ater_WarrantLiabilityMember" name="WarrantLiabilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ater_WarrantLiabilityPolicyTextBlock" name="WarrantLiabilityPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_WarrantsWithOfferingMember" name="WarrantsWithOfferingMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-11-stockbased-compensation-restricted-stock-activity-details" name="statement-statement-note-11-stockbased-compensation-restricted-stock-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-11-stockbased-compensation-schedule-of-option-activity-details" name="statement-statement-note-11-stockbased-compensation-schedule-of-option-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-11-stockbased-compensation-schedule-of-stockbased-compensation-expense-details" name="statement-statement-note-11-stockbased-compensation-schedule-of-stockbased-compensation-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-11-stockbased-compensation-tables" name="statement-statement-note-11-stockbased-compensation-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-13-income-taxes-components-of-income-tax-provisions-details" name="statement-statement-note-13-income-taxes-components-of-income-tax-provisions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-13-income-taxes-deferred-tax-assets-and-liabilities-details" name="statement-statement-note-13-income-taxes-deferred-tax-assets-and-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-13-income-taxes-income-tax-rate-reconciliation-details" name="statement-statement-note-13-income-taxes-income-tax-rate-reconciliation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-13-income-taxes-loss-before-provision-details" name="statement-statement-note-13-income-taxes-loss-before-provision-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-13-income-taxes-tables" name="statement-statement-note-13-income-taxes-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-15-net-loss-per-share-schedule-of-net-loss-per-share-details" name="statement-statement-note-15-net-loss-per-share-schedule-of-net-loss-per-share-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-15-net-loss-per-share-tables" name="statement-statement-note-15-net-loss-per-share-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-16-acquisitions-change-in-carrying-value-of-estimated-contingent-earnout-liabilities-details" name="statement-statement-note-16-acquisitions-change-in-carrying-value-of-estimated-contingent-earnout-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-16-acquisitions-tables" name="statement-statement-note-16-acquisitions-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-17-goodwill-and-intangibles-schedule-of-intangible-assets-details" name="statement-statement-note-17-goodwill-and-intangibles-schedule-of-intangible-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-17-goodwill-and-intangibles-summary-of-changes-in-goodwill-and-intangible-assets-details" name="statement-statement-note-17-goodwill-and-intangibles-summary-of-changes-in-goodwill-and-intangible-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-17-goodwill-and-intangibles-summary-of-estimated-aggregate-amortization-expense-of-intangible-assets-details" name="statement-statement-note-17-goodwill-and-intangibles-summary-of-estimated-aggregate-amortization-expense-of-intangible-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-17-goodwill-and-intangibles-tables" name="statement-statement-note-17-goodwill-and-intangibles-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-18-restructuring-schedule-of-restructuring-costs-details" name="statement-statement-note-18-restructuring-schedule-of-restructuring-costs-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-18-restructuring-summary-of-restructuring-reserve-details" name="statement-statement-note-18-restructuring-summary-of-restructuring-reserve-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-18-restructuring-tables" name="statement-statement-note-18-restructuring-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-2-summary-of-significant-accounting-policies-disaggregation-of-revenue-details" name="statement-statement-note-2-summary-of-significant-accounting-policies-disaggregation-of-revenue-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-2-summary-of-significant-accounting-policies-tables" name="statement-statement-note-2-summary-of-significant-accounting-policies-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-3-inventory-schedule-of-inventory-details" name="statement-statement-note-3-inventory-schedule-of-inventory-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-3-inventory-tables" name="statement-statement-note-3-inventory-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-4-accounts-receivable-summary-of-accounts-receivable-details" name="statement-statement-note-4-accounts-receivable-summary-of-accounts-receivable-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-4-accounts-receivable-tables" name="statement-statement-note-4-accounts-receivable-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-5-property-and-equipment-summary-of-property-and-equipment-details" name="statement-statement-note-5-property-and-equipment-summary-of-property-and-equipment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-5-property-and-equipment-tables" name="statement-statement-note-5-property-and-equipment-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-6-fair-value-measurements-summary-of-financial-assets-measured-at-fair-value-details" name="statement-statement-note-6-fair-value-measurements-summary-of-financial-assets-measured-at-fair-value-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-6-fair-value-measurements-summary-of-warrant-activity-details" name="statement-statement-note-6-fair-value-measurements-summary-of-warrant-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-6-fair-value-measurements-tables" name="statement-statement-note-6-fair-value-measurements-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-7-prepaid-and-other-current-assets-tables" name="statement-statement-note-7-prepaid-and-other-current-assets-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-7-prepaid-expenses-and-other-current-assets-schedule-of-prepaid-expenses-and-other-current-assets-details" name="statement-statement-note-7-prepaid-expenses-and-other-current-assets-schedule-of-prepaid-expenses-and-other-current-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-8-accrued-and-other-current-liabilities-schedule-of-accrued-and-other-current-liabilities-details" name="statement-statement-note-8-accrued-and-other-current-liabilities-schedule-of-accrued-and-other-current-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-8-accrued-and-other-current-liabilities-tables" name="statement-statement-note-8-accrued-and-other-current-liabilities-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-9-credit-facility-term-loans-and-warrants-schedule-of-credit-facility-and-term-loans-details" name="statement-statement-note-9-credit-facility-term-loans-and-warrants-schedule-of-credit-facility-and-term-loans-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-9-credit-facility-term-loans-and-warrants-schedule-of-interest-expense-net-details" name="statement-statement-note-9-credit-facility-term-loans-and-warrants-schedule-of-interest-expense-net-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-note-9-credit-facility-term-loans-and-warrants-tables" name="statement-statement-note-9-credit-facility-term-loans-and-warrants-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ater_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
