Wednesday, July 8, 2026

Patent intelligence · US

US 11542326

Anti-IL-25 antibodies and uses thereof

granted A61KA61K2039/505A61K39/3955A61K45/06
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 16
Applicant portfolio 837
Patent details — US 11542326
Jurisdiction
US
Status
granted
Grant date
Jan 3, 2023
Expiration
Dec 29, 2042
Claims
12
CPC classes
A61K, A61K2039/505, A61K39/3955, A61K45/06
View on Google Patents ↗

Quick answer

US 11542326 (Anti-IL-25 antibodies and uses thereof) is held by REGENERON PHARMACEUTICALS, INC.. Status: granted. Granted Jan 3, 2023. Expires Dec 29, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
12
CPC classes
A61K, A61K2039/505, A61K39/3955, A61K45/06, A61P, A61P1/04

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Frequently asked questions

What is US patent 11542326?

US 11542326 (Anti-IL-25 antibodies and uses thereof) is held by REGENERON PHARMACEUTICALS, INC.. Status: granted. Granted Jan 3, 2023. Expires Dec 29, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11542326?

REGENERON PHARMACEUTICALS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 837 pharmaceutical patents for this assignee.

When does US 11542326 expire?

Our index shows an expiration date of Dec 29, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.