Wednesday, July 8, 2026

Patent intelligence · US

US 6492498

Multimeric immunotoxins

expired A61KA61K2039/505A61K47/6829A61K47/6889
Status expired
Linked drugs 3
Pipeline programs 6
Years to expiry 0
Applicant portfolio 8,292
Patent details — US 6492498
Jurisdiction
US
Status
expired
Grant date
Dec 10, 2002
Expiration
Dec 5, 2022
Claims
28
CPC classes
A61K, A61K2039/505, A61K47/6829, A61K47/6889
View on Google Patents ↗

Quick answer

US 6492498 (Multimeric immunotoxins) is held by Regents of the University of Minnesota. Status: expired. Granted Dec 10, 2002. Expires Dec 5, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
28
CPC classes
A61K, A61K2039/505, A61K47/6829, A61K47/6889

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Frequently asked questions

What is US patent 6492498?

US 6492498 (Multimeric immunotoxins) is held by Regents of the University of Minnesota. Status: expired. Granted Dec 10, 2002. Expires Dec 5, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6492498?

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

When does US 6492498 expire?

Our index shows an expiration date of Dec 5, 2022 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.