Wednesday, July 8, 2026

Patent intelligence · US

US 11673902

Isoindolinone and indazole compounds for the degradation of EGFR

granted A61KA61K31/427A61K31/496A61K31/506
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 17
Applicant portfolio 24
Patent details — US 11673902
Jurisdiction
US
Status
granted
Grant date
Jun 13, 2023
Expiration
Jun 8, 2043
Claims
29
CPC classes
A61K, A61K31/427, A61K31/496, A61K31/506
View on Google Patents ↗

Quick answer

US 11673902 (Isoindolinone and indazole compounds for the degradation of EGFR) is held by C4 THERAPEUTICS, INC.. Status: granted. Granted Jun 13, 2023. Expires Jun 8, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
29
CPC classes
A61K, A61K31/427, A61K31/496, A61K31/506, A61K31/5377, A61K47/10

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Frequently asked questions

What is US patent 11673902?

US 11673902 (Isoindolinone and indazole compounds for the degradation of EGFR) is held by C4 THERAPEUTICS, INC.. Status: granted. Granted Jun 13, 2023. Expires Jun 8, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11673902?

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 11673902 expire?

Our index shows an expiration date of Jun 8, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.