Wednesday, July 8, 2026

Patent intelligence · US

US 12251387

Substituted quinoxalines and benzo[c][1,2,5]oxadiazoles as DNA-PK inhibitors

granted A61KA61K31/506A61K31/5377A61K31/5386
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 19
Applicant portfolio 991
Patent details — US 12251387
Jurisdiction
US
Status
granted
Grant date
Mar 18, 2025
Expiration
Mar 13, 2045
Claims
20
CPC classes
A61K, A61K31/506, A61K31/5377, A61K31/5386
View on Google Patents ↗

Quick answer

US 12251387 (Substituted quinoxalines and benzo[c][1,2,5]oxadiazoles as DNA-PK inhibitors) is held by Vertex Pharmaceuticals Incorporated. Status: granted. Granted Mar 18, 2025. Expires Mar 13, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K31/506, A61K31/5377, A61K31/5386, A61P, A61P35/00

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Frequently asked questions

What is US patent 12251387?

US 12251387 (Substituted quinoxalines and benzo[c][1,2,5]oxadiazoles as DNA-PK inhibitors) is held by Vertex Pharmaceuticals Incorporated. Status: granted. Granted Mar 18, 2025. Expires Mar 13, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12251387?

Vertex Pharmaceuticals Incorporated is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 991 pharmaceutical patents for this assignee.

When does US 12251387 expire?

Our index shows an expiration date of Mar 13, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.