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<title>Rigel Pharmaceuticals, Inc. 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/sec-filings/all-sec-filings/xbrl_doc_only/1143">Cover</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1143">DOCUMENT AND ENTITY INFORMATION</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1144">Financial Statements</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1144">CONDENSED BALANCE SHEETS</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1145">CONDENSED STATEMENTS OF OPERATIONS</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1146">CONDENSED STATEMENTS OF COMPREHENSIVE LOSS</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1147">CONDENSED STATEMENTS OF CASH FLOWS</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1148">Notes to Financial Statements</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1148">Nature of Operations</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1149">Basis of Presentation</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1150">Summary of Significant Accounting Policies</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1151">Stock Award Plans</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1152">Net Loss Per Share</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1153">Stock-based Compensation</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1154">Revenue from Product Sales</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1155">Inventories</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1156">Sponsored Research and License Agreements</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1157">Cash, Cash Equivalents and Short-Term Investments</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1158">Fair Value</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1159">Lease Agreements</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1160">Common Stock</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1161">Subsequent Event</a></li>
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                        <a class="menu-item current" href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1162">Accounting Policies</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1162">Summary of Significant Accounting Policies (Policies)</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1163">Notes Tables</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1163">Net Loss Per Share (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1164">Stock-based Compensation (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1165">Revenue from Product Sales (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1166">Inventories (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1167">Cash, Cash Equivalents and Short-Term Investments (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1168">Fair Value (Tables)</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1169">Notes Details</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1169">Stock Award Plans (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1170">Net Loss Per Share (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1171">Stock-based Compensation (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1172">Stock-based Compensation - Options (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1173">Stock-based Compensation - Purchase Plan (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1174">Revenue from Product Sales (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1175">Inventories (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1176">Sponsored Research and License Agreements (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1177">Cash, Cash Equivalents and Short-Term Investments (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1178">Cash, Cash Equivalents and Short-Term Investments - Gross Unrealized Gains and Losses (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1179">Cash, Cash Equivalents and Short-Term Investments - Unrealized Loss Position (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1180">Fair Value (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1181">Lease Agreements (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1182">Common Stock (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1183">Subsequent Event (Details)</a></li>
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        <h4>Summary of Significant Accounting Policies (Policies)</h4>
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