Wednesday, July 8, 2026

Patent intelligence · US

US 8920800

Treatment of cancer with elevated dosages of soluble FGFR1 fusion proteins

granted A61KA61K38/179A61K39/3955A61K45/06
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 8
Applicant portfolio 127
Patent details — US 8920800
Jurisdiction
US
Status
granted
Grant date
Dec 30, 2014
Expiration
Dec 25, 2034
Claims
31
CPC classes
A61K, A61K38/179, A61K39/3955, A61K45/06
View on Google Patents ↗

Quick answer

US 8920800 (Treatment of cancer with elevated dosages of soluble FGFR1 fusion proteins) is held by Five Prime Therapeutics, Inc.. Status: granted. Granted Dec 30, 2014. Expires Dec 25, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
31
CPC classes
A61K, A61K38/179, A61K39/3955, A61K45/06, A61P, A61P35/00

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Frequently asked questions

What is US patent 8920800?

US 8920800 (Treatment of cancer with elevated dosages of soluble FGFR1 fusion proteins) is held by Five Prime Therapeutics, Inc.. Status: granted. Granted Dec 30, 2014. Expires Dec 25, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8920800?

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 8920800 expire?

Our index shows an expiration date of Dec 25, 2034 (8 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.