Tuesday, July 21, 2026
🇺🇸 FDA

pharma · Rheumatoid Arthritis · Warm Antibody Autoimmune Hemolytic Anemia · RIGL

RIGEL PHARMACEUTICALS

RIGEL PHARMACEUTICALS INC

RIGEL PHARMACEUTICALS patent portfolio — 14 USPTO pharmaceutical patents (A61K/A61P) with grant dates, status, and loss-of-exclusivity filters.

Website Investor relations
1180 Veterans Blvd, South San Francisco, CA 94080, US HQ
1996 Founded
286 Employees
Public company Type
RIGL · NYSE Ticker
Company details
Status
Public
HQ
1180 Veterans Blvd, South San Francisco, CA 94080, US
Founded
1996
Employees
286
Programs
1
Drugs
9
Patents
14
Official website ↗ All projects Drug pipeline Patents News & analysis

Recent coverage

View all news & analysis →
Intelligence · Patents

RIGEL PHARMACEUTICALS patents

14 pharmaceutical patents indexed for RIGEL PHARMACEUTICALS. 0 expire within 24 months.

RIGEL PHARMACEUTICALS has 14 pharmaceutical patents in our USPTO PatentsView index (A61K/A61P). 0 expire within 24 months — use filters for patent-cliff planning.

All patents Expiring ≤12 months Expiring ≤24 months

14 patents

Patent portfolio

  1. US 11963958

    RET inhibitor for use in treating cancer having a RET alteration

    Expires Mon Apr 18 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  2. US 9283238

    Prodrugs of 2,4-pyrimidinediamine compounds and their uses

    Expires Mon Mar 10 2036 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  3. US 9266912

    Prodrugs of 2,4-pyrimidinediamine compounds and their uses

    Expires Mon Feb 18 2036 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  4. US 8951504

    (trimethoxyphenylamino) pyrimidinyl formulations

    Expires Mon Feb 05 2035 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  5. US 8912170

    Prodrugs of 2,4-pyrimidinediamine compounds and their uses

    Expires Mon Dec 11 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  6. US 8771648

    (Trimethoxyphenylamino) pyrimidinyl formulations

    Expires Mon Jul 03 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  7. US 8652492

    Wet granulation using a water sequestering agent

    Expires Mon Feb 13 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  8. US 8445485

    Prodrugs of 2,4-pyrimidinediamine compounds and their uses

    Expires Mon May 16 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  9. US 8263122

    Wet granulation using a water sequestering agent

    Expires Mon Sep 06 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  10. US 8211889

    Prodrugs of 2,4-pyrimidinediamine compounds and their uses

    Expires Mon Jun 28 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  11. US 8163902

    Prodrugs of 2,4-pyrimidinediamine compounds and their uses

    Expires Mon Apr 19 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  12. US 7989448

    Prodrugs of 2,4-pyrimidinediamine compounds and their uses

    Expires Mon Jul 28 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  13. US 7538108

    Prodrugs of 2,4-pyrimidinediamine compounds and their uses

    Expires Mon May 21 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  14. US 7449458

    Prodrugs of 2,4-pyrimidinediamine compounds and their uses

    Expires Mon Nov 06 2028 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

Frequently asked questions

How many patents does RIGEL PHARMACEUTICALS have?

14 published patents match the current filter (all indexed). The full portfolio is indexed from USPTO PatentsView (A61K/A61P).

When do RIGEL PHARMACEUTICALS patents expire?

0 patents in the full portfolio expire within 24 months. Use the expiring filters above or open individual patent pages for grant and expiration dates.

Drug approvals, clinical trials, M&A, event intelligence, and company updates — weekly.

Customize topics & region
Topics
Region

No spam. Unsubscribe anytime. See our privacy policy.