Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
493 patents granted to the 2 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Rigel Pharmaceuticals, Inc.’s names, not what it holds today.
Patents granted
493
490 utility, 3 reissue, 1976 to Dec 31, 2025
Granted in 2025
9
Against 7 in 2024 and 7 in 2023
Applications published
486
8 of them in 2025
Names they are printed under
2
its own name
By yearGrantedApplications published
'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Pharmaceuticals29
Organic fine chemistry27
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name2 counted
Rigel Pharmaceuticals, Inc. its own name
US, as the owner printed on each patent
493 granted
392 publishedRigel Pharmaceuticals, Inc. its own name
named as the applicant on its applications, in US
0 granted
94 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Nov 4, 2025 | 12,459,941 | Tricyclic IRAK inhibitors | Pharmaceuticals | Rigel Pharmaceuticals, Inc. |
| Oct 21, 2025 | 12,448,366 | Solid forms of pralsetinib | Organic fine chemistry | Rigel Pharmaceuticals, Inc. |
| Oct 14, 2025 | 12,441,723 | Pyrazole compounds, formulations thereof, and a method for using the compounds and/or formulations | Organic fine chemistry | Rigel Pharmaceuticals, Inc. |
| Aug 12, 2025 | 12,384,775 | Pyrimid-2-yl-pyrazole compounds as IRAK inhibitors | Organic fine chemistry | Rigel Pharmaceuticals, Inc. |
| Jul 15, 2025 | 12,357,623 | Method for treating a disease or condition using a pyrazole compound or formulation thereof | Pharmaceuticals | Rigel Pharmaceuticals, Inc. |
| Jun 17, 2025 | 12,331,036 | Heterocyclic RIP1 kinase inhibitors | Organic fine chemistry | Rigel Pharmaceuticals, Inc. |
| May 13, 2025 | 12,297,202 | RIP1K inhibitors | Organic fine chemistry | Rigel Pharmaceuticals, Inc. |
| Apr 1, 2025 | 12,263,180 | Method for treatment of COVID-19-associated conditions | Pharmaceuticals | Rigel Pharmaceuticals, Inc. |
| Feb 18, 2025 | 12,227,508 | TGF-β inhibitors | Pharmaceuticals | Rigel Pharmaceuticals, Inc. |
| Dec 3, 2024 | 12,156,880 | Heterocyclic RIP1 kinase inhibitors | Pharmaceuticals | Rigel Pharmaceuticals, Inc. |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Oct 30, 2025 | 2025/0333408 | PYRIMID-2-YL-PYRAZOLE COMPOUNDS AS IRAK INHIBITORS | Organic fine chemistry | Rigel Pharmaceuticals, Inc. |
| Oct 23, 2025 | 2025/0326778 | PYRAZOLE COMPOUNDS AND METHOD FOR MAKING AND USING THE COMPOUNDS | Pharmaceuticals | Rigel Pharmaceuticals, Inc. |
| Sep 4, 2025 | 2025/0275956 | TREATMENT OF CNS TUMORS WITH OLUTASIDENIB AND TEMOZOLOMIDE | Pharmaceuticals | Rigel Pharmaceuticals, Inc. |
| Mar 20, 2025 | 2025/0092057 | HETEROCYCLIC RIP1 INHIBITORY COMPOUNDS | Organic fine chemistry | Rigel Pharmaceuticals, Inc. |
| Feb 6, 2025 | 2025/0041297 | RET INHIBITOR FOR USE IN TREATING CANCER HAVING A RET ALTERATION | Pharmaceuticals | Rigel Pharmaceuticals, Inc. |
| Jan 30, 2025 | 2025/0034100 | RIP1 INHIBITORY COMPOUNDS AND METHODS FOR MAKING AND USING THE SAME | Organic fine chemistry | Rigel Pharmaceuticals, Inc. |
| Jan 16, 2025 | 2025/0019372 | CRYSTALLINE FORMS OF A RIPK1 INHIBITOR | Pharmaceuticals | Rigel Pharmaceuticals, Inc. |
| Jan 2, 2025 | 2025/0000872 | FORMULATIONS AND DOSING REGIMENS FOR RIP1 KINASE INHIBITORS FOR TREATING AUTOIMMUNE AND INFLAMMATORY DISEASES | Pharmaceuticals | Rigel Pharmaceuticals, Inc. |
| Dec 19, 2024 | 2024/0417386 | INHIBITORS OF RET | Organic fine chemistry | Rigel Pharmaceuticals, Inc. |
| Nov 21, 2024 | 2024/0382470 | Irak Inhibitor for Treating Cytokine Release-Related Conditions Associated With Infection by a Respiratory Virus | Pharmaceuticals | Rigel Pharmaceuticals, Inc. |
What it applied for, 2024 to 2025: Organic fine chemistry 6 · Pharmaceuticals 6.
A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.