Wednesday, July 8, 2026

Patent intelligence · US

US 8524901

Compositions and methods for inhibition of the JAK pathway

granted A61KA61K31/155A61K31/506A61K31/5377
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 7
Applicant portfolio 373
Patent details — US 8524901
Jurisdiction
US
Status
granted
Grant date
Sep 3, 2013
Expiration
Aug 29, 2033
Claims
2
CPC classes
A61K, A61K31/155, A61K31/506, A61K31/5377
View on Google Patents ↗

Quick answer

US 8524901 (Compositions and methods for inhibition of the JAK pathway) is held by Rigel Pharmaceuticals, Inc.. Status: granted. Granted Sep 3, 2013. Expires Aug 29, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
2
CPC classes
A61K, A61K31/155, A61K31/506, A61K31/5377, A61K31/538, A61K31/5383

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Frequently asked questions

What is US patent 8524901?

US 8524901 (Compositions and methods for inhibition of the JAK pathway) is held by Rigel Pharmaceuticals, Inc.. Status: granted. Granted Sep 3, 2013. Expires Aug 29, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8524901?

Rigel Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 373 pharmaceutical patents for this assignee.

When does US 8524901 expire?

Our index shows an expiration date of Aug 29, 2033 (7 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.