Wednesday, July 8, 2026

Patent intelligence · US

US 6340743

Antibodies to PIGR stalk

expired A61KA61K2039/6056A61K39/385
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 8,292
Patent details — US 6340743

Quick answer

US 6340743 (Antibodies to PIGR stalk) is held by The Regents of the University of California. Status: expired. Granted Jan 22, 2002. Expires Jan 17, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
9
CPC classes
A61K, A61K2039/6056, A61K39/385

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Frequently asked questions

What is US patent 6340743?

US 6340743 (Antibodies to PIGR stalk) is held by The Regents of the University of California. Status: expired. Granted Jan 22, 2002. Expires Jan 17, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6340743?

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

When does US 6340743 expire?

Our index shows an expiration date of Jan 17, 2022 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.