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<title>Adaptimmune Annual report pursuant to Section 13 and 15(d)</title>
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    <h3>Annual report pursuant to Section 13 and 15(d)</h3>
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                        <a class="menu-item " href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1200">Cover</a>
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                        <a class="menu-item current" href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1201">Financial Statements</a>
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                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1201">CONSOLIDATED BALANCE SHEETS</a></li>
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                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1203">CONSOLIDATED STATEMENTS OF OPERATIONS</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1204">CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1205">CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1206">CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Parenthetical)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1207">CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1208">CONSOLIDATED STATEMENTS OF CASH FLOWS</a></li>
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                        <a class="menu-item " href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1209">Notes to Financial Statements</a>
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                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1209">General</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1210">Summary of Significant Accounting Policies</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1211">Revenue</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1212">Financial instruments</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1213">Other current assets</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1214">Property, plant and equipment, net</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1215">Intangible assets, net</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1216">Operating Leases</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1217">Accrued expenses and other current liabilities</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1218">Contingencies and commitments</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1219">Stockholders' equity</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1220">Share-based compensation</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1221">Income taxes</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1222">Geographic information</a></li>
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                        <a class="menu-item " href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1223">Accounting Policies</a>
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                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1223">Summary of Significant Accounting Policies (Policies)</a></li>
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                        <a class="menu-item " href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1224">Notes Tables</a>
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                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1224">Summary of Significant Accounting Policies (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1225">Revenue (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1226">Financial instruments (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1227">Other current assets (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1228">Property, plant and equipment, net (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1229">Intangible assets, net (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1230">Operating Leases (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1231">Accrued expenses and other current liabilities (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1232">Share-based compensation (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1233">Income taxes (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1234">Geographic information (Tables)</a></li>
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                        <a class="menu-item " href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1235">Notes Details</a>
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                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1235">General (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1236">Summary of Significant Accounting Policies - Foreign currency (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1237">Summary of Significant Accounting Policies - Changes in Accumulated other comprehensive (loss) income (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1238">Summary of Significant Accounting Policies - Reclassification out of Other comprehensive (loss) income (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1239">Summary of Significant Accounting Policies - Cash, cash equivalents and restricted cash (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1240">Summary of Significant Accounting Policies - Available-for-sale debt securities (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1241">Summary of Significant Accounting Policies - Accounts receivable (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1242">Summary of Significant Accounting Policies - Property, plant and equipment (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1243">Summary of Significant Accounting Policies - Intangibles (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1244">Summary of Significant Accounting Policies - Leases (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1245">Summary of Significant Accounting Policies - Segment Reporting (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1246">Summary of Significant Accounting Policies - Research and Development Expenditure (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1247">Summary of Significant Accounting Policies - Retirement Benefits (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1248">Summary of Significant Accounting Policies - Interest income (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1249">Summary of Significant Accounting Policies - Loss per share (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1250">Summary of Significant Accounting Policies - Antidilutive Securities (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1251">Summary of Significant Accounting Policies - Options (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1252">Revenue - Revenue from contracts with customers (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1253">Revenue - Collaboration Agreement - The Astellas Collaboration Agreement (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1254">Revenue - Collaboration Agreement - Performance obligations (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1255">Revenue - Collaboration Agreement - The GSK Collaboration and License Agreement (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1256">Financial instruments - Fair value of assets and liabilities (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1257">Financial instruments - Cash Equivalents and Short-term Deposits (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1258">Financial instruments - Collaboration and License Agreement (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1259">Financial instruments - Foreign Exchange Risk (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1260">Other current assets (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1261">Property, plant and equipment, net - Schedule of Property and Equipment (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1262">Property, plant and equipment, net - Depreciation Expense (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1263">Intangible assets, net - Tabular Disclosure (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1264">Intangible assets, net - Amortization Expense (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1265">Intangible assets, net - Aggregate Amortization Expense (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1266">Operating Leases - Lease Cost (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1267">Operating Leases - Maturities (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1268">Accrued expenses and other current liabilities (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1269">Accrued expenses and other current liabilities - Supply agreement (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1270">Accrued expenses and other current liabilities - Schedule of reserves (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1271">Contingencies and commitments - Capital Commitments (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1272">Contingencies and commitments - Clinical Trials and Contract Manufacturing Commitments (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1273">Contingencies and commitments - Collaborations and License Agreements (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1274">Stockholders' equity - Ordinary Shares (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1275">Stockholders' equity - Underwritten public offering and Registered direct offering (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1276">Share-based compensation - Option Plans (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1277">Share-based compensation - Share-based Compensation Expense (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1278">Share based compensation - Unrecognized Compensation Cost (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1279">Share-based compensation - Options (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1280">Share based compensation - Option Activity (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1281">Share based compensation - Stock Options Outstanding (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1282">Share based compensation - Options Exercised (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1283">Share-based compensation - Fair Value Assumptions (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1284">Income taxes - Loss before Income Taxes (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1285">Income taxes - Components of Income Tax Expense (Benefit) (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1286">Income taxes - Reconciliation of Deferred Tax Assets and Liabilities (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1287">Income taxes - Change in Valuation Allowance (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1288">Income taxes - Reconciliation of Effective Tax Rate (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1289">Income taxes - Tax Rates (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1290">Income taxes - Change in Tax Rate (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1291">Income taxes - Unrecognized Tax Benefits (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1292">Geographic information - Operations by Geographic Area - Long-lived Assets (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/1293">Geographic information - Major Customers (Details)</a></li>
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        <h4>CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS</h4>
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