Wednesday, July 8, 2026

Patent intelligence · US

US 6653131

Method of treating systemic inflammatory response syndrome

expired A61PA61P13/12A61P29/00A61P43/00
Status expired
Linked drugs 3
Pipeline programs 6
Years to expiry 0
Applicant portfolio 8,292
Patent details — US 6653131
Jurisdiction
US
Status
expired
Grant date
Nov 25, 2003
Expiration
Nov 20, 2023
Claims
23
CPC classes
A61P, A61P13/12, A61P29/00, A61P43/00
View on Google Patents ↗

Quick answer

US 6653131 (Method of treating systemic inflammatory response syndrome) is held by THE REGENTS OF THE UNIVERSITY OF MICHIGAN. Status: expired. Granted Nov 25, 2003. Expires Nov 20, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
23
CPC classes
A61P, A61P13/12, A61P29/00, A61P43/00

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Frequently asked questions

What is US patent 6653131?

US 6653131 (Method of treating systemic inflammatory response syndrome) is held by THE REGENTS OF THE UNIVERSITY OF MICHIGAN. Status: expired. Granted Nov 25, 2003. Expires Nov 20, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6653131?

THE REGENTS OF THE UNIVERSITY OF MICHIGAN is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8,292 pharmaceutical patents for this assignee.

When does US 6653131 expire?

Our index shows an expiration date of Nov 20, 2023 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.