Wednesday, July 8, 2026

Patent intelligence · US

US 9763995

Polymer conjugates of protegrin peptides

granted A61KA61K38/10A61K47/60A61P
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 11
Applicant portfolio 423
Patent details — US 9763995
Jurisdiction
US
Status
granted
Grant date
Sep 19, 2017
Expiration
Sep 14, 2037
Claims
9
CPC classes
A61K, A61K38/10, A61K47/60, A61P
View on Google Patents ↗

Quick answer

US 9763995 (Polymer conjugates of protegrin peptides) is held by Nektar Therapeutics. Status: granted. Granted Sep 19, 2017. Expires Sep 14, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
9
CPC classes
A61K, A61K38/10, A61K47/60, A61P, A61P31/00, A61P31/04

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Frequently asked questions

What is US patent 9763995?

US 9763995 (Polymer conjugates of protegrin peptides) is held by Nektar Therapeutics. Status: granted. Granted Sep 19, 2017. Expires Sep 14, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9763995?

Nektar Therapeutics is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 423 pharmaceutical patents for this assignee.

When does US 9763995 expire?

Our index shows an expiration date of Sep 14, 2037 (11 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.