Wednesday, July 8, 2026

Patent intelligence · US

US 6867291

Human hemicentin proteins and polynucleotides encoding the same

expired A61KA61K38/00
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 102
Patent details — US 6867291

Quick answer

US 6867291 (Human hemicentin proteins and polynucleotides encoding the same) is held by Lexicon Genetics, Inc.. Status: expired. Granted Mar 15, 2005. Expires Mar 10, 2025 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
8
CPC classes
A61K, A61K38/00

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Frequently asked questions

What is US patent 6867291?

US 6867291 (Human hemicentin proteins and polynucleotides encoding the same) is held by Lexicon Genetics, Inc.. Status: expired. Granted Mar 15, 2005. Expires Mar 10, 2025 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6867291?

Lexicon Genetics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 102 pharmaceutical patents for this assignee.

When does US 6867291 expire?

Our index shows an expiration date of Mar 10, 2025 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.