Wednesday, July 8, 2026

Patent intelligence · US

US 11992531

C3-carbon linked glutarimide degronimers for target protein degradation

granted A61KA61K31/45A61K31/451A61K31/454
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 18
Applicant portfolio 24
Patent details — US 11992531
Jurisdiction
US
Status
granted
Grant date
May 28, 2024
Expiration
May 23, 2044
Claims
31
CPC classes
A61K, A61K31/45, A61K31/451, A61K31/454
View on Google Patents ↗

Quick answer

US 11992531 (C3-carbon linked glutarimide degronimers for target protein degradation) is held by C4 THERAPEUTICS, INC.. Status: granted. Granted May 28, 2024. Expires May 23, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
31
CPC classes
A61K, A61K31/45, A61K31/451, A61K31/454, A61K31/4545, A61K47/545

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Frequently asked questions

What is US patent 11992531?

US 11992531 (C3-carbon linked glutarimide degronimers for target protein degradation) is held by C4 THERAPEUTICS, INC.. Status: granted. Granted May 28, 2024. Expires May 23, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11992531?

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 11992531 expire?

Our index shows an expiration date of May 23, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.