Wednesday, July 8, 2026

Patent intelligence · US

US 11939361

Compositions of peptide inhibitors of Interleukin-23 receptor

granted A61KA61K38/00A61K38/10A61K47/26
Status granted
Linked drugs 4
Pipeline programs 6
Years to expiry 18
Applicant portfolio 33
Patent details — US 11939361
Jurisdiction
US
Status
granted
Grant date
Mar 26, 2024
Expiration
Mar 21, 2044
Claims
16
CPC classes
A61K, A61K38/00, A61K38/10, A61K47/26
View on Google Patents ↗

Quick answer

US 11939361 (Compositions of peptide inhibitors of Interleukin-23 receptor) is held by Protagonist Therapeutics, Inc.. Status: granted. Granted Mar 26, 2024. Expires Mar 21, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
16
CPC classes
A61K, A61K38/00, A61K38/10, A61K47/26, A61K47/38, A61K47/6923

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Frequently asked questions

What is US patent 11939361?

US 11939361 (Compositions of peptide inhibitors of Interleukin-23 receptor) is held by Protagonist Therapeutics, Inc.. Status: granted. Granted Mar 26, 2024. Expires Mar 21, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11939361?

Protagonist Therapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 33 pharmaceutical patents for this assignee.

When does US 11939361 expire?

Our index shows an expiration date of Mar 21, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.