Wednesday, July 8, 2026

Patent intelligence · US

US 10266539

Polymorph of Syk inhibitors

granted A61PA61P11/06A61P19/02A61P25/00
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 13
Applicant portfolio 179
Patent details — US 10266539
Jurisdiction
US
Status
granted
Grant date
Apr 23, 2019
Expiration
Apr 18, 2039
Claims
19
CPC classes
A61P, A61P11/06, A61P19/02, A61P25/00
View on Google Patents ↗

Quick answer

US 10266539 (Polymorph of Syk inhibitors) is held by GILEAD CONNECTICUT, INC.. Status: granted. Granted Apr 23, 2019. Expires Apr 18, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
19
CPC classes
A61P, A61P11/06, A61P19/02, A61P25/00, A61P25/02, A61P29/00

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Frequently asked questions

What is US patent 10266539?

US 10266539 (Polymorph of Syk inhibitors) is held by GILEAD CONNECTICUT, INC.. Status: granted. Granted Apr 23, 2019. Expires Apr 18, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10266539?

GILEAD CONNECTICUT, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 179 pharmaceutical patents for this assignee.

When does US 10266539 expire?

Our index shows an expiration date of Apr 18, 2039 (13 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.