Wednesday, July 8, 2026

Patent intelligence · US

US 12291557

Chimeric TIM4 receptors and uses thereof

granted A61KA61K40/11A61K40/31A61K40/32
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 19
Applicant portfolio 14
Patent details — US 12291557
Jurisdiction
US
Status
granted
Grant date
May 6, 2025
Expiration
May 1, 2045
Claims
11
CPC classes
A61K, A61K40/11, A61K40/31, A61K40/32
View on Google Patents ↗

Quick answer

US 12291557 (Chimeric TIM4 receptors and uses thereof) is held by Cero Therapeutics Holdings, Inc.. Status: granted. Granted May 6, 2025. Expires May 1, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
11
CPC classes
A61K, A61K40/11, A61K40/31, A61K40/32, A61K40/4257, A61K45/06

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Frequently asked questions

What is US patent 12291557?

US 12291557 (Chimeric TIM4 receptors and uses thereof) is held by Cero Therapeutics Holdings, Inc.. Status: granted. Granted May 6, 2025. Expires May 1, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12291557?

Cero Therapeutics Holdings, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 14 pharmaceutical patents for this assignee.

When does US 12291557 expire?

Our index shows an expiration date of May 1, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.