Wednesday, July 8, 2026

Patent intelligence · US

US 9730930

Treatment for vitiligo

granted A61KA61K31/145A61K31/505A61K31/506
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 11
Applicant portfolio 373
Patent details — US 9730930
Jurisdiction
US
Status
granted
Grant date
Aug 15, 2017
Expiration
Aug 10, 2037
Claims
14
CPC classes
A61K, A61K31/145, A61K31/505, A61K31/506
View on Google Patents ↗

Quick answer

US 9730930 (Treatment for vitiligo) is held by Rigel Pharmaceuticals, Inc.. Status: granted. Granted Aug 15, 2017. Expires Aug 10, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
14
CPC classes
A61K, A61K31/145, A61K31/505, A61K31/506, A61K45/06, A61K47/10

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Frequently asked questions

What is US patent 9730930?

US 9730930 (Treatment for vitiligo) is held by Rigel Pharmaceuticals, Inc.. Status: granted. Granted Aug 15, 2017. Expires Aug 10, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9730930?

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 9730930 expire?

Our index shows an expiration date of Aug 10, 2037 (11 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.