Wednesday, July 8, 2026

Patent intelligence · US

US 12303551

Cellular immunotherapy compositions and uses thereof

granted A61KA61K2039/505A61K2039/545A61K35/17
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 19
Applicant portfolio 14
Patent details — US 12303551
Jurisdiction
US
Status
granted
Grant date
May 20, 2025
Expiration
May 15, 2045
Claims
26
CPC classes
A61K, A61K2039/505, A61K2039/545, A61K35/17
View on Google Patents ↗

Quick answer

US 12303551 (Cellular immunotherapy compositions and uses thereof) is held by Cero Therapeutics Holdings, Inc.. Status: granted. Granted May 20, 2025. Expires May 15, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
26
CPC classes
A61K, A61K2039/505, A61K2039/545, A61K35/17, A61K38/177, A61K38/1774

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Frequently asked questions

What is US patent 12303551?

US 12303551 (Cellular immunotherapy compositions and uses thereof) is held by Cero Therapeutics Holdings, Inc.. Status: granted. Granted May 20, 2025. Expires May 15, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12303551?

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 12303551 expire?

Our index shows an expiration date of May 15, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.