Saturday, July 11, 2026

Patent intelligence · US

US 6278040

Receptor-deficient mice and cell lines derived therefrom, and uses thereof

expired A61KA61K31/203A61K49/0008
Status expired
Linked drugs 3
Pipeline programs 6
Years to expiry 0
Applicant portfolio 8,292
Patent details — US 6278040

Quick answer

US 6278040 (Receptor-deficient mice and cell lines derived therefrom, and uses thereof) is held by The Regents of the University of Calif.. Status: expired. Granted Aug 21, 2001. Expires Aug 16, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
4
CPC classes
A61K, A61K31/203, A61K49/0008

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Frequently asked questions

What is US patent 6278040?

US 6278040 (Receptor-deficient mice and cell lines derived therefrom, and uses thereof) is held by The Regents of the University of Calif.. Status: expired. Granted Aug 21, 2001. Expires Aug 16, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6278040?

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

When does US 6278040 expire?

Our index shows an expiration date of Aug 16, 2021 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.