Wednesday, July 8, 2026

Patent intelligence · US

US 10953040

Methods of treating bacterial infections with penam β-lactam antibiotics and branched poly(ethylenimine)

granted A61KA61K31/395A61K31/43A61K31/545
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 15
Applicant portfolio 8,292
Patent details — US 10953040

Quick answer

US 10953040 (Methods of treating bacterial infections with penam β-lactam antibiotics and branched poly(ethylenimine)) is held by The Board of Regents of the University of Oklahoma. Status: granted. Granted Mar 23, 2021. Expires Mar 18, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
15
CPC classes
A61K, A61K31/395, A61K31/43, A61K31/545, A61K31/546, A61K31/785

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Frequently asked questions

What is US patent 10953040?

US 10953040 (Methods of treating bacterial infections with penam β-lactam antibiotics and branched poly(ethylenimine)) is held by The Board of Regents of the University of Oklahoma. Status: granted. Granted Mar 23, 2021. Expires Mar 18, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10953040?

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

When does US 10953040 expire?

Our index shows an expiration date of Mar 18, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.