Wednesday, July 8, 2026

Patent intelligence · US

US 11603406

Antibodies binding to VISTA at acidic pH

granted A61KA61K39/39591A61PA61P31/12
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 17
Applicant portfolio 127
Patent details — US 11603406
Jurisdiction
US
Status
granted
Grant date
Mar 14, 2023
Expiration
Mar 9, 2043
Claims
39
CPC classes
A61K, A61K39/39591, A61P, A61P31/12
View on Google Patents ↗

Quick answer

US 11603406 (Antibodies binding to VISTA at acidic pH) is held by Five Prime Therapeutics, Inc.. Status: granted. Granted Mar 14, 2023. Expires Mar 9, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
39
CPC classes
A61K, A61K39/39591, A61P, A61P31/12, A61P35/00, A61P37/06

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Frequently asked questions

What is US patent 11603406?

US 11603406 (Antibodies binding to VISTA at acidic pH) is held by Five Prime Therapeutics, Inc.. Status: granted. Granted Mar 14, 2023. Expires Mar 9, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11603406?

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 11603406 expire?

Our index shows an expiration date of Mar 9, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.