Wednesday, July 8, 2026

Patent intelligence · US

US 11524962

Substituted pyrrolo[2,3-d]pyrimidines as inhibitors of protein arginine methyl transferase 5 (PRMT5)

granted A61KA61K45/06A61PA61P35/00
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 16
Applicant portfolio 16
Patent details — US 11524962

Quick answer

US 11524962 (Substituted pyrrolo[2,3-d]pyrimidines as inhibitors of protein arginine methyl transferase 5 (PRMT5)) is held by Prelude Therapeutics, Incorporated. Status: granted. Granted Dec 13, 2022. Expires Dec 8, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
23
CPC classes
A61K, A61K45/06, A61P, A61P35/00

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Frequently asked questions

What is US patent 11524962?

US 11524962 (Substituted pyrrolo[2,3-d]pyrimidines as inhibitors of protein arginine methyl transferase 5 (PRMT5)) is held by Prelude Therapeutics, Incorporated. Status: granted. Granted Dec 13, 2022. Expires Dec 8, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11524962?

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 11524962 expire?

Our index shows an expiration date of Dec 8, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.