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<title>Adaptimmune Quarterly report pursuant to Section 13 or 15(d)</title>
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    <h3>Quarterly report pursuant to Section 13 or 15(d)</h3>
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                        <a class="menu-item " href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/191">Cover</a>
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                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/191">Document and Entity Information</a></li>
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                        <a class="menu-item " href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/192">Financial Statements</a>
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                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/192">CONDENSED CONSOLIDATED BALANCE SHEETS</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/193">CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/194">CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/195">CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (Parenthetical)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/196">CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/197">CONDENSED CONSOLIDATED CASH FLOW STATEMENTS</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/198">CONDENSED CONSOLIDATED CASH FLOW STATEMENTS (Parenthetical)</a></li>
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                        <a class="menu-item " href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/199">Notes to Financial Statements</a>
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                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/199">General</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/200">Summary of Significant Accounting Policies</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/201">Revenue</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/202">Earnings (loss) per share</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/203">Property, plant and equipment, net</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/204">Intangible assets, net</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/205">Accrued expenses and other current liabilities</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/206">Contingencies and commitments</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/207">Share-based compensation</a></li>
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                        <a class="menu-item " href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/208">Accounting Policies</a>
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                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/208">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/209">Notes Tables</a>
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                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/209">Earnings (loss) per share (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/210">Property, plant and equipment, net (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/211">Intangible assets, net (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/212">Accrued expenses and other current liabilities (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/213">Contingencies and commitments (Tables)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/214">Share-based compensation (Tables)</a></li>
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                        <a class="menu-item current" href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/215">Notes Details</a>
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                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/215">General (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/216">Summary of Significant Accounting Policies - Reclassification - General Information (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/217">Summary of Significant Accounting Policies - Reclassification - Tabular Information (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/218">Summary of Significant Accounting Policies - Intangible Assets (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/219">Revenue (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/220">Earnings (loss) per share - Reconciliation of Earnings per share (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/221">Earnings (loss) per share - Antidilutive Securities (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/222">Property, plant and equipment, net - Tabular Disclosure (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/223">Property, plant and equipment, net - Depreciation Expense (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/224">Intangible assets, net - Tabular Disclosure (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/225">Intangible assets, net - Amortization Expense (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/226">Intangible assets, net - Aggregate Amortization Expense (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/227">Accrued expenses and other current liabilities (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/228">Contingencies and commitments - Future Minimum Lease Payments (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/229">Contingencies and commitments - Lease Expenses (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/230">Contingencies and commitments - Operating Leases (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/231">Contingencies and commitments - Capital Commitments (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/232">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/233">Contingencies and commitments - Collaborations and License Agreements (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/234">Share-based compensation - Share-based Compensation Expense (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/235">Share-based compensation - Options (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/236">Share-based compensation - Fair Value Assumptions (Details)</a></li>
                                                            <li><a href="/investors-and-media/sec-filings/all-sec-filings/xbrl_doc_only/237">Share-based compensation - Options Granted to Nonemployees (Details)</a></li>
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        <h4>Earnings (loss) per share - Antidilutive Securities (Details)</h4>
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