<?xml version="1.0" encoding="UTF-8" ?>
<!-- Generated by DataTracks version 1.1.10 on 10-Aug-2015 [01:17:18] {PM} EST - www.datatracks.com -->
<schema targetNamespace="http://www.tgtherapeuticsinc.com/20150630" elementFormDefault="qualified" xmlns:tgtx="http://www.tgtherapeuticsinc.com/20150630" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:us-gaap="http://fasb.org/us-gaap/2015-01-31" xmlns:country="http://xbrl.sec.gov/country/2013-01-31" xmlns:currency="http://xbrl.sec.gov/currency/2014-01-31" xmlns:dei="http://xbrl.sec.gov/dei/2014-01-31" xmlns:exch="http://xbrl.sec.gov/exch/2015-01-31" xmlns:invest="http://xbrl.sec.gov/invest/2013-01-31" xmlns:naics="http://xbrl.sec.gov/naics/2011-01-31" xmlns:sic="http://xbrl.sec.gov/sic/2011-01-31" xmlns:us-types="http://fasb.org/us-types/2015-01-31" xmlns:stpr="http://xbrl.sec.gov/stpr/2011-01-31" xmlns:deprecated="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric">
  <annotation>
    <appinfo>
      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
        <link:definition>101 - Document - Document And Entity Information</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/CondensedConsolidatedBalanceSheets" id="CondensedConsolidatedBalanceSheets">
        <link:definition>102 - Statement - Condensed Consolidated Balance Sheets</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/CondensedConsolidatedBalanceSheetsParenthetical" id="CondensedConsolidatedBalanceSheetsParenthetical">
        <link:definition>103 - Statement - Condensed Consolidated Balance Sheets [Parenthetical]</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/CondensedConsolidatedStatementsOfOperations" id="CondensedConsolidatedStatementsOfOperations">
        <link:definition>104 - Statement - Condensed Consolidated Statements of Operations</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/CondensedConsolidatedStatementOfEquity" id="CondensedConsolidatedStatementOfEquity">
        <link:definition>105 - Statement - Condensed Consolidated Statement of Equity</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/CondensedConsolidatedStatementOfEquityParenthetical" id="CondensedConsolidatedStatementOfEquityParenthetical">
        <link:definition>106 - Statement - Condensed Consolidated Statement of Equity [Parenthetical]</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/CondensedConsolidatedStatementsOfCashFlows" id="CondensedConsolidatedStatementsOfCashFlows">
        <link:definition>107 - Statement - Condensed Consolidated Statements of Cash Flows</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/OrganizationAndSummaryOfSignificantAccountingPolicies" id="OrganizationAndSummaryOfSignificantAccountingPolicies">
        <link:definition>108 - Disclosure - ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/CashAndCashEquivalents" id="CashAndCashEquivalents">
        <link:definition>109 - Disclosure - CASH AND CASH EQUIVALENTS</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/InvestmentSecurities" id="InvestmentSecurities">
        <link:definition>110 - Disclosure - INVESTMENT SECURITIES</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/FairValueMeasurements" id="FairValueMeasurements">
        <link:definition>111 - Disclosure - FAIR VALUE MEASUREMENTS</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/StockholdersEquity" id="StockholdersEquity">
        <link:definition>112 - Disclosure - STOCKHOLDERS&#39; EQUITY</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/NotesPayable" id="NotesPayable">
        <link:definition>113 - Disclosure - NOTES PAYABLE</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/LicenseAgreements" id="LicenseAgreements">
        <link:definition>114 - Disclosure - LICENSE AGREEMENTS</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/RelatedPartyTransactions" id="RelatedPartyTransactions">
        <link:definition>115 - Disclosure - RELATED PARTY TRANSACTIONS</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/SubsequentEvents" id="SubsequentEvents">
        <link:definition>116 - Disclosure - SUBSEQUENT EVENTS</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/OrganizationAndSummaryOfSignificantAccountingPoliciesPolicies" id="OrganizationAndSummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>117 - Disclosure - ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/CashAndCashEquivalentsTables" id="CashAndCashEquivalentsTables">
        <link:definition>118 - Disclosure - CASH AND CASH EQUIVALENTS (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/InvestmentSecuritiesTables" id="InvestmentSecuritiesTables">
        <link:definition>119 - Disclosure - INVESTMENT SECURITIES (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/FairValueMeasurementsTables" id="FairValueMeasurementsTables">
        <link:definition>120 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/StockholdersEquityTables" id="StockholdersEquityTables">
        <link:definition>121 - Disclosure - STOCKHOLDERS&#39; EQUITY (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/NotesPayableTables" id="NotesPayableTables">
        <link:definition>122 - Disclosure - NOTES PAYABLE (Tables)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/OrganizationAndSummaryOfSignificantAccountingPoliciesDetailsTextual" id="OrganizationAndSummaryOfSignificantAccountingPoliciesDetailsTextual">
        <link:definition>123 - Disclosure - ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/CashAndCashEquivalentsDetails" id="CashAndCashEquivalentsDetails">
        <link:definition>124 - Disclosure - CASH AND CASH EQUIVALENTS (Details)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/InvestmentSecuritiesDetails" id="InvestmentSecuritiesDetails">
        <link:definition>125 - Disclosure - INVESTMENT SECURITIES (Details)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/FairValueMeasurementsDetails" id="FairValueMeasurementsDetails">
        <link:definition>126 - Disclosure - FAIR VALUE MEASUREMENTS (Details)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/FairValueMeasurementsDetails1" id="FairValueMeasurementsDetails1">
        <link:definition>127 - Disclosure - FAIR VALUE MEASUREMENTS (Details 1)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/FairValueMeasurementsDetailsTextual" id="FairValueMeasurementsDetailsTextual">
        <link:definition>128 - Disclosure - FAIR VALUE MEASUREMENTS (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/StockholdersEquityDetails" id="StockholdersEquityDetails">
        <link:definition>129 - Disclosure - STOCKHOLDERS&#39; EQUITY (Details)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/StockholdersEquityDetails1" id="StockholdersEquityDetails1">
        <link:definition>130 - Disclosure - STOCKHOLDERS&#39; EQUITY (Details 1)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/StockholdersEquityDetails2" id="StockholdersEquityDetails2">
        <link:definition>131 - Disclosure - STOCKHOLDERS&#39; EQUITY (Details 2)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/StockholdersEquityDetails3" id="StockholdersEquityDetails3">
        <link:definition>132 - Disclosure - STOCKHOLDERS&#39; EQUITY (Details 3)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/StockholdersEquityDetailsTextual" id="StockholdersEquityDetailsTextual">
        <link:definition>133 - Disclosure - STOCKHOLDERS&#39; EQUITY (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/NotesPayableDetails" id="NotesPayableDetails">
        <link:definition>134 - Disclosure - NOTES PAYABLE (Details)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/NotesPayableDetailsTextual" id="NotesPayableDetailsTextual">
        <link:definition>135 - Disclosure - NOTES PAYABLE (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/LicenseAgreementsDetailsTextual" id="LicenseAgreementsDetailsTextual">
        <link:definition>136 - Disclosure - LICENSE AGREEMENTS (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/RelatedPartyTransactionsDetailsTextual" id="RelatedPartyTransactionsDetailsTextual">
        <link:definition>137 - Disclosure - RELATED PARTY TRANSACTIONS (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:roleType roleURI="http://www.tgtherapeuticsinc.com/role/SubsequentEventsDetailsTextual" id="SubsequentEventsDetailsTextual">
        <link:definition>138 - Disclosure - SUBSEQUENT EVENTS (Details Textual)</link:definition>

        <link:usedOn>link:presentationLink</link:usedOn>

        <link:usedOn>link:definitionLink</link:usedOn>

        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>

      <link:linkbaseRef xlink:type="simple" xlink:href="tgtx-20150630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />

      <link:linkbaseRef xlink:type="simple" xlink:href="tgtx-20150630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />

      <link:linkbaseRef xlink:type="simple" xlink:href="tgtx-20150630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />

      <link:linkbaseRef xlink:type="simple" xlink:href="tgtx-20150630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
    </appinfo>
  </annotation>

  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />

  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />

  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />

  <import namespace="http://fasb.org/us-gaap/2015-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd" />

  <import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd" />

  <import namespace="http://xbrl.sec.gov/country/2013-01-31" schemaLocation="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd" />

  <import namespace="http://xbrl.sec.gov/currency/2014-01-31" schemaLocation="http://xbrl.sec.gov/currency/2014/currency-2014-01-31.xsd" />

  <import namespace="http://xbrl.sec.gov/exch/2015-01-31" schemaLocation="http://xbrl.sec.gov/exch/2015/exch-2015-01-31.xsd" />

  <import namespace="http://xbrl.sec.gov/naics/2011-01-31" schemaLocation="http://xbrl.sec.gov/naics/2011/naics-2011-01-31.xsd" />

  <import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd" />

  <import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd" />

  <import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />

  <import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />

  <import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />

  <import namespace="http://xbrl.sec.gov/dei/2014-01-31" schemaLocation="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd" />

  <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />

  <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />

  <import namespace="http://fasb.org/us-types/2015-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2015/elts/us-types-2015-01-31.xsd" />

  <element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_DocumentAndEntityInformationAbstract" />

  <element name="LicenseAgreementAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_LicenseAgreementAbstract" />

  <element name="LicenseAgreementDisclosureTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_LicenseAgreementDisclosureTextBlock" />

  <element name="BusinessDescriptionPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_BusinessDescriptionPolicyTextBlock" />

  <element name="LiquidityDisclosure1PolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_LiquidityDisclosure1PolicyTextBlock" />

  <element name="PrepaidResearchAndDevelopment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tgtx_PrepaidResearchAndDevelopment" />

  <element name="ContingentlyIssuableShares" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_ContingentlyIssuableShares" />

  <element name="ScheduleOfWarrantsActivityTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_ScheduleOfWarrantsActivityTableTextBlock" />

  <element name="ScheduleOfShareBasedCompensationExpenseTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_ScheduleOfShareBasedCompensationExpenseTableTextBlock" />

  <element name="SignificantAccountingPoliciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="tgtx_SignificantAccountingPoliciesTable" />

  <element name="VestingPeriodAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_VestingPeriodAxis" />

  <element name="VestingPeriodDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_VestingPeriodDomain" />

  <element name="MarketCapitalizationTargetAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_MarketCapitalizationTargetAxis" />

  <element name="MarketCapitalizationTargetDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_MarketCapitalizationTargetDomain" />

  <element name="ImmaterialErrorAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_ImmaterialErrorAxis" />

  <element name="ImmaterialErrorDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_ImmaterialErrorDomain" />

  <element name="SignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_SignificantAccountingPoliciesLineItems" />

  <element name="PeriodAnticipatedSufficientToFundOperatingCashFlow" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_PeriodAnticipatedSufficientToFundOperatingCashFlow" />

  <element name="CashEquivalentsMaturityPeriod" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_CashEquivalentsMaturityPeriod" />

  <element name="FairValueMeasurementChangesInLevel3InstrumentsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="tgtx_FairValueMeasurementChangesInLevel3InstrumentsTable" />

  <element name="FairValueMeasurementChangesInLevel3InstrumentsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_FairValueMeasurementChangesInLevel3InstrumentsLineItems" />

  <element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityInterestAccruedIncludedInEarnings" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityInterestAccruedIncludedInEarnings" />

  <element name="FairValueMeasurementTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="tgtx_FairValueMeasurementTable" />

  <element name="TypeOfTransactionAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_TypeOfTransactionAxis" />

  <element name="TypeOfTransactionDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_TypeOfTransactionDomain" />

  <element name="ManhattanAndAristonPharmaceuticalsMergerMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_ManhattanAndAristonPharmaceuticalsMergerMember" />

  <element name="OtherOperatingCostAndExpenseAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_OtherOperatingCostAndExpenseAxis" />

  <element name="OtherOperatingCostAndExpenseDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_OtherOperatingCostAndExpenseDomain" />

  <element name="PercentageOfCashProceedsFromOperationToRepayConvertibleDebt" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_PercentageOfCashProceedsFromOperationToRepayConvertibleDebt" />

  <element name="EquityIncentivePlansStockOptionActivityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="tgtx_EquityIncentivePlansStockOptionActivityTable" />

  <element name="EquityIncentivePlansRestrictedStockActivityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="tgtx_EquityIncentivePlansRestrictedStockActivityTable" />

  <element name="EquityIncentivePlansRestrictedStockActivityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_EquityIncentivePlansRestrictedStockActivityLineItems" />

  <element name="EquityIncentivePlansWarrantActivityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="tgtx_EquityIncentivePlansWarrantActivityTable" />

  <element name="EquityIncentivePlansWarrantActivityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_EquityIncentivePlansWarrantActivityLineItems" />

  <element name="WarrantOrRightIssued" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_WarrantOrRightIssued" />

  <element name="WarrantOrRightExercised" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_WarrantOrRightExercised" />

  <element name="WarrantOrRightExpired" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_WarrantOrRightExpired" />

  <element name="WarrantOrRightOutstandingWeightedAverageExercisePrice" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="tgtx_WarrantOrRightOutstandingWeightedAverageExercisePrice" />

  <element name="WarrantOrRightIssuedWeightedAverageExercisePrice" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_WarrantOrRightIssuedWeightedAverageExercisePrice" />

  <element name="WarrantOrRightExercisedWeightedAverageExercisePrice" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_WarrantOrRightExercisedWeightedAverageExercisePrice" />

  <element name="WarrantOrRightExpiredWeightedAverageExercisePrice" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_WarrantOrRightExpiredWeightedAverageExercisePrice" />

  <element name="WarrantOrRightAggregateIntrinsicValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_WarrantOrRightAggregateIntrinsicValue" />

  <element name="StockBasedCompensationTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="tgtx_StockBasedCompensationTable" />

  <element name="StockholdersEquityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="tgtx_StockholdersEquityTable" />

  <element name="IncentivePlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_IncentivePlanMember" />

  <element name="EquityIncentivePlansMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_EquityIncentivePlansMember" />

  <element name="CorporateMilestoneAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_CorporateMilestoneAxis" />

  <element name="CorporateMilestoneDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_CorporateMilestoneDomain" />

  <element name="CorporateMilestoneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_CorporateMilestoneMember" />

  <element name="NonEmployeeStockOptionsAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_NonEmployeeStockOptionsAxis" />

  <element name="NonEmployeeStockOptionsDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_NonEmployeeStockOptionsDomain" />

  <element name="IssuancePeriodAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_IssuancePeriodAxis" />

  <element name="IssuancePeriodDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_IssuancePeriodDomain" />

  <element name="AgreementAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_AgreementAxis" />

  <element name="StockIssuedDuringPeriodSharesNewIssuesShelfRegistrationStatement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_StockIssuedDuringPeriodSharesNewIssuesShelfRegistrationStatement" />

  <element name="AggregateOfferingPrice" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tgtx_AggregateOfferingPrice" />

  <element name="NotesPayableTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="tgtx_NotesPayableTable" />

  <element name="ConvertibleNotesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_ConvertibleNotesMember" />

  <element name="NotesPayableLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_NotesPayableLineItems" />

  <element name="AmendmentAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_AmendmentAxis" />

  <element name="AmendmentDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_AmendmentDomain" />

  <element name="AristonMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_AristonMember" />

  <element name="PercentageOfCashProceedsFromOperationToRepayInterestOnConvertibleDebt" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_PercentageOfCashProceedsFromOperationToRepayInterestOnConvertibleDebt" />

  <element name="LicenseAgreementTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="tgtx_LicenseAgreementTable" />

  <element name="CollaborationAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_CollaborationAgreementMember" />

  <element name="AdditionalAmountReceivableOnAchievementOfPreSpecifiedMilestones" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tgtx_AdditionalAmountReceivableOnAchievementOfPreSpecifiedMilestones" />

  <element name="PlacementAgencyAgreementAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_PlacementAgencyAgreementAxis" />

  <element name="PlacementAgencyAgreementDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_PlacementAgencyAgreementDomain" />

  <element name="LfbGroupMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_LfbGroupMember" />

  <element name="ResearchDevelopmentExpensesAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_ResearchDevelopmentExpensesAxis" />

  <element name="ResearchDevelopmentExpensesDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_ResearchDevelopmentExpensesDomain" />

  <element name="OpusMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_OpusMember" />

  <element name="AgreementTypeAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_AgreementTypeAxis" />

  <element name="NumberOfCommonStockSharesGrantedInConnectionWithLicenseAgreementByIssueOfWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_NumberOfCommonStockSharesGrantedInConnectionWithLicenseAgreementByIssueOfWarrants" />

  <element name="CommonStockPurchasePricePerShare" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="tgtx_CommonStockPurchasePricePerShare" />

  <element name="NonCashStockExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tgtx_NonCashStockExpense" />

  <element name="NonCashCompensationResearchAndDevelopmentExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tgtx_NonCashCompensationResearchAndDevelopmentExpenses" />

  <element name="NonCashCompensationGeneralAndAdministrativeExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tgtx_NonCashCompensationGeneralAndAdministrativeExpenses" />

  <element name="ChangeInFairValueOfNonCurrentNotePayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_ChangeInFairValueOfNonCurrentNotePayable" />

  <element name="CompensationAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tgtx_CompensationAxis" />

  <element name="CompensationDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_CompensationDomain" />

  <element name="ContingentlyIssuableShareMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_ContingentlyIssuableShareMember" />

  <element name="StockIssuedDuringPeriodValueExerciseOfWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_StockIssuedDuringPeriodValueExerciseOfWarrants" />

  <element name="StockIssuedDuringPeriodSharesExerciseOfWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_StockIssuedDuringPeriodSharesExerciseOfWarrants" />

  <element name="StockIssuedDuringPeriodValueExerciseOfWarrantsCashLess" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_StockIssuedDuringPeriodValueExerciseOfWarrantsCashLess" />

  <element name="StockIssuedDuringPeriodSharesExerciseOfWarrantsCashLess" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_StockIssuedDuringPeriodSharesExerciseOfWarrantsCashLess" />

  <element name="SharesIssuedInConnectionWithInLicensingAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tgtx_SharesIssuedInConnectionWithInLicensingAgreement" />

  <element name="ChangeInFairValueOfNotesPayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_ChangeInFairValueOfNotesPayable" />

  <element name="PaymentsToAcquireHeldToMaturitySecuritiesShortTerm" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_PaymentsToAcquireHeldToMaturitySecuritiesShortTerm" />

  <element name="NetProceedsFromSharesNewIssuesOverallotments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tgtx_NetProceedsFromSharesNewIssuesOverallotments" />

  <element name="StockIssuedDuringPeriodValueMarketPublicOffering" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_StockIssuedDuringPeriodValueMarketPublicOffering" />

  <element name="AgreementDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_AgreementDomain" />

  <element name="AtmMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_AtmMember" />

  <element name="StockIssuedDuringPeriodSharesMarketPublicOffering" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_StockIssuedDuringPeriodSharesMarketPublicOffering" />

  <element name="CommonStockValueReservedForFutureIssuance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_CommonStockValueReservedForFutureIssuance" />

  <element name="StockIssuedDuringPeriodSharesIssuedForCash1" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_StockIssuedDuringPeriodSharesIssuedForCash1" />

  <element name="StockIssuedDuringPeriodValueIssuedForCash1" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_StockIssuedDuringPeriodValueIssuedForCash1" />

  <element name="StockholdersEquityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_StockholdersEquityLineItems" />

  <element name="UpfrontFeeReceivedFromSubLicense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_UpfrontFeeReceivedFromSubLicense" />

  <element name="DeskAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_DeskAgreementMember" />

  <element name="ImpairmentOfTangibleAndIntangibleAssetIncludingGoodwillPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_ImpairmentOfTangibleAndIntangibleAssetIncludingGoodwillPolicyTextBlock" />

  <element name="AgreementTypeNameDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_AgreementTypeNameDomain" />

  <element name="LfbLicenseAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_LfbLicenseAgreementMember" />

  <element name="AverageAnnualRentalPayments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tgtx_AverageAnnualRentalPayments" />

  <element name="PercentageOfOccupancy" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="tgtx_PercentageOfOccupancy" />

  <element name="MinimumValueOfSharesToBePurchased" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_MinimumValueOfSharesToBePurchased" />

  <element name="AtthemarketIssuanceSalesAgreement2015Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_AtthemarketIssuanceSalesAgreement2015Member" />

  <element name="LicenseAgreementLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_LicenseAgreementLineItems" />

  <element name="AccruedFinancingCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tgtx_AccruedFinancingCosts" />

  <element name="UpfrontPaymentAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tgtx_UpfrontPaymentAmount" />

  <element name="TgOneOneZeroOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_TgOneOneZeroOneMember" />

  <element name="FairValueMeasurementLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_FairValueMeasurementLineItems" />

  <element name="NumberOfCommonStockSharesGrantedInConnectionWithLicenseAgreementByExcerciseOfWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_NumberOfCommonStockSharesGrantedInConnectionWithLicenseAgreementByExcerciseOfWarrants" />

  <element name="ProceedsFromMaturities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tgtx_ProceedsFromMaturities" />

  <element name="ReclassificationOfDeferredFinancingCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tgtx_ReclassificationOfDeferredFinancingCosts" />

  <element name="EquityIncentivePlansStockOptionActivityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tgtx_EquityIncentivePlansStockOptionActivityLineItems" />

  <element name="CommonStockExcerciseOfWarrantsPurchasePricePerShare" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="tgtx_CommonStockExcerciseOfWarrantsPurchasePricePerShare" />
</schema>

