Wednesday, July 8, 2026

Patent intelligence · US

US 12157735

Compounds for targeted degradation of BRD9

granted A61KA61K45/06A61PA61P35/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 18
Applicant portfolio 24
Patent details — US 12157735
Jurisdiction
US
Status
granted
Grant date
Dec 3, 2024
Expiration
Nov 28, 2044
Claims
23
CPC classes
A61K, A61K45/06, A61P, A61P35/00
View on Google Patents ↗

Quick answer

US 12157735 (Compounds for targeted degradation of BRD9) is held by C4 THERAPEUTICS, INC.. Status: granted. Granted Dec 3, 2024. Expires Nov 28, 2044 (18 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 12157735?

US 12157735 (Compounds for targeted degradation of BRD9) is held by C4 THERAPEUTICS, INC.. Status: granted. Granted Dec 3, 2024. Expires Nov 28, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12157735?

C4 THERAPEUTICS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 24 pharmaceutical patents for this assignee.

When does US 12157735 expire?

Our index shows an expiration date of Nov 28, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.