Wednesday, July 8, 2026

Patent intelligence · US

US 7521535

Anti-microbial defensin-related peptides and methods of use

granted A61KA61K38/00A61PA61P31/04
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 3
Applicant portfolio 8,292
Patent details — US 7521535

Quick answer

US 7521535 (Anti-microbial defensin-related peptides and methods of use) is held by The Board of Regents for Oklahoma State University. Status: granted. Granted Apr 21, 2009. Expires Apr 16, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
8
CPC classes
A61K, A61K38/00, A61P, A61P31/04

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Frequently asked questions

What is US patent 7521535?

US 7521535 (Anti-microbial defensin-related peptides and methods of use) is held by The Board of Regents for Oklahoma State University. Status: granted. Granted Apr 21, 2009. Expires Apr 16, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7521535?

The Board of Regents for Oklahoma State University is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8,292 pharmaceutical patents for this assignee.

When does US 7521535 expire?

Our index shows an expiration date of Apr 16, 2029 (3 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.