Wednesday, July 8, 2026

Patent intelligence · US

US 9187569

Branched polymers

granted A61KA61K47/60A61K47/6901
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 9
Applicant portfolio 423
Patent details — US 9187569
Jurisdiction
US
Status
granted
Grant date
Nov 17, 2015
Expiration
Nov 12, 2035
Claims
12
CPC classes
A61K, A61K47/60, A61K47/6901
View on Google Patents ↗

Quick answer

US 9187569 (Branched polymers) is held by Nektar Therapeutics. Status: granted. Granted Nov 17, 2015. Expires Nov 12, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
12
CPC classes
A61K, A61K47/60, A61K47/6901

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Frequently asked questions

What is US patent 9187569?

US 9187569 (Branched polymers) is held by Nektar Therapeutics. Status: granted. Granted Nov 17, 2015. Expires Nov 12, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9187569?

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 9187569 expire?

Our index shows an expiration date of Nov 12, 2035 (9 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.