Wednesday, July 8, 2026

Patent intelligence · US

US 11939340

CDK inhibitors and their use as pharmaceuticals

granted A61KA61K45/06A61PA61P15/08
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 18
Applicant portfolio 16
Patent details — US 11939340

Quick answer

US 11939340 (CDK inhibitors and their use as pharmaceuticals) is held by Prelude Therapeutics, Incorporated. Status: granted. Granted Mar 26, 2024. Expires Mar 21, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
24
CPC classes
A61K, A61K45/06, A61P, A61P15/08, A61P35/00

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Frequently asked questions

What is US patent 11939340?

US 11939340 (CDK inhibitors and their use as pharmaceuticals) is held by Prelude Therapeutics, Incorporated. Status: granted. Granted Mar 26, 2024. Expires Mar 21, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11939340?

Prelude Therapeutics, Incorporated is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 16 pharmaceutical patents for this assignee.

When does US 11939340 expire?

Our index shows an expiration date of Mar 21, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.