Wednesday, July 8, 2026

Patent intelligence · US

US 8580936

Polynucleotides encoding FGFR1-IIIc ECD fusion proteins

granted A61KA61K45/06A61PA61P1/02
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 7
Applicant portfolio 127
Patent details — US 8580936
Jurisdiction
US
Status
granted
Grant date
Nov 12, 2013
Expiration
Nov 7, 2033
Claims
25
CPC classes
A61K, A61K45/06, A61P, A61P1/02
View on Google Patents ↗

Quick answer

US 8580936 (Polynucleotides encoding FGFR1-IIIc ECD fusion proteins) is held by Five Prime Therapeutics, Inc.. Status: granted. Granted Nov 12, 2013. Expires Nov 7, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
25
CPC classes
A61K, A61K45/06, A61P, A61P1/02, A61P1/04, A61P11/00

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Frequently asked questions

What is US patent 8580936?

US 8580936 (Polynucleotides encoding FGFR1-IIIc ECD fusion proteins) is held by Five Prime Therapeutics, Inc.. Status: granted. Granted Nov 12, 2013. Expires Nov 7, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8580936?

Five Prime Therapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 127 pharmaceutical patents for this assignee.

When does US 8580936 expire?

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