Wednesday, July 8, 2026

Patent intelligence · US

US 7541381

Non-covalent inhibitors of AmpC β-lactamase

granted A61KA61K31/18A61K31/44A61K31/4965
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 3
Applicant portfolio 595
Patent details — US 7541381
Jurisdiction
US
Status
granted
Grant date
Jun 2, 2009
Expiration
May 28, 2029
Claims
2
CPC classes
A61K, A61K31/18, A61K31/44, A61K31/4965
View on Google Patents ↗

Quick answer

US 7541381 (Non-covalent inhibitors of AmpC β-lactamase) is held by Northwestern University. Status: granted. Granted Jun 2, 2009. Expires May 28, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
2
CPC classes
A61K, A61K31/18, A61K31/44, A61K31/4965, A61P, A61P31/04

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Frequently asked questions

What is US patent 7541381?

US 7541381 (Non-covalent inhibitors of AmpC β-lactamase) is held by Northwestern University. Status: granted. Granted Jun 2, 2009. Expires May 28, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7541381?

Northwestern University is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 595 pharmaceutical patents for this assignee.

When does US 7541381 expire?

Our index shows an expiration date of May 28, 2029 (3 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.