Wednesday, July 8, 2026

Patent intelligence · US

US 12209256

System for protein inactivation and recombinant phages for targeted bacterial killing, infection, biodetection, and as a means of protein ex…

granted A61KA61K35/76
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 19
Applicant portfolio 163
Patent details — US 12209256

Quick answer

US 12209256 (System for protein inactivation and recombinant phages for targeted bacterial killing, infection, biodetection, and as a means of protein extraction) is held by THE TRUSTEES OF PRINCETON UNIVERSITY. Status: granted. Granted Jan 28, 2025. Expires Jan 23, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
30
CPC classes
A61K, A61K35/76

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Frequently asked questions

What is US patent 12209256?

US 12209256 (System for protein inactivation and recombinant phages for targeted bacterial killing, infection, biodetection, and as a means of protein extraction) is held by THE TRUSTEES OF PRINCETON UNIVERSITY. Status: granted. Granted Jan 28, 2025. Expires Jan 23, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12209256?

THE TRUSTEES OF PRINCETON UNIVERSITY is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 163 pharmaceutical patents for this assignee.

When does US 12209256 expire?

Our index shows an expiration date of Jan 23, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.