Wednesday, July 8, 2026

Patent intelligence · US

US 10221244

Anti-CSF1R antibody and anti PD-1 antibody combination therapy for cancer

granted A61KA61K2039/505A61K2039/507A61K2039/54
Status granted
Linked drugs 4
Pipeline programs 6
Years to expiry 13
Applicant portfolio 127
Patent details — US 10221244
Jurisdiction
US
Status
granted
Grant date
Mar 5, 2019
Expiration
Feb 28, 2039
Claims
31
CPC classes
A61K, A61K2039/505, A61K2039/507, A61K2039/54
View on Google Patents ↗

Quick answer

US 10221244 (Anti-CSF1R antibody and anti PD-1 antibody combination therapy for cancer) is held by Five Prime Therapeutics, Inc.. Status: granted. Granted Mar 5, 2019. Expires Feb 28, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
31
CPC classes
A61K, A61K2039/505, A61K2039/507, A61K2039/54, A61K2039/545, A61P

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Frequently asked questions

What is US patent 10221244?

US 10221244 (Anti-CSF1R antibody and anti PD-1 antibody combination therapy for cancer) is held by Five Prime Therapeutics, Inc.. Status: granted. Granted Mar 5, 2019. Expires Feb 28, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10221244?

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 10221244 expire?

Our index shows an expiration date of Feb 28, 2039 (13 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.