Prosecution Insights
Last updated: April 19, 2026

Rigel Pharmaceuticals Inc.

4 pending office actions

Portfolio Summary

4
Total Pending OAs
3
Final Rejections
1
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18334608 RIP1 Inhibitory Compounds and Methods for Making and Using the Same MCDOWELL, BRIAN E 1624 Non-Final OA Jun 14, 2023
18255402 METHOD OF PREPARING PRALSETINIB FETTEROLF, BRANDON J 1626 Final Rejection Jun 01, 2023
17665880 METHOD OF BLOCKING OR AMELIORATING CYTOKINE RELEASE SYNDROME KOSTURKO, GEORGE W 1621 Final Rejection Feb 07, 2022
17592779 COMPOUNDS AND METHOD FOR TREATING CYTOKINE RELEASE SYNDROME HSU, GRACE CHING 1627 Final Rejection Feb 04, 2022

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