Wednesday, July 8, 2026

Patent intelligence · US

US 9521845

Beta-lactones as antibacterial agents

granted A61KA61K31/337A61PA61P1/02
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 10
Applicant portfolio 138
Patent details — US 9521845

Quick answer

US 9521845 (Beta-lactones as antibacterial agents) is held by Ludwig-Maximilians-Universitat Munchen. Status: granted. Granted Dec 20, 2016. Expires Dec 15, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
23
CPC classes
A61K, A61K31/337, A61P, A61P1/02, A61P13/02, A61P27/16

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Frequently asked questions

What is US patent 9521845?

US 9521845 (Beta-lactones as antibacterial agents) is held by Ludwig-Maximilians-Universitat Munchen. Status: granted. Granted Dec 20, 2016. Expires Dec 15, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9521845?

Ludwig-Maximilians-Universitat Munchen is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 138 pharmaceutical patents for this assignee.

When does US 9521845 expire?

Our index shows an expiration date of Dec 15, 2036 (10 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.