Wednesday, July 8, 2026

Patent intelligence · US

US 8404869

Phenanthrenequinone-based compound and pharmaceutical composition containing the same for the treatment or prevention of disease involving m…

granted A61PA61P1/16A61P27/02A61P29/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 7
Applicant portfolio 60
Related coverage 1
Patent details — US 8404869

Quick answer

US 8404869 (Phenanthrenequinone-based compound and pharmaceutical composition containing the same for the treatment or prevention of disease involving metabolic syndrome) is held by MAZENCE INC.. Status: granted. Granted Mar 26, 2013. Expires Mar 21, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
MAZENCE INC.
Grant date
Expiration
Claims
15
CPC classes
A61P, A61P1/16, A61P27/02, A61P29/00, A61P3/00, A61P3/04

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Frequently asked questions

What is US patent 8404869?

US 8404869 (Phenanthrenequinone-based compound and pharmaceutical composition containing the same for the treatment or prevention of disease involving metabolic syndrome) is held by MAZENCE INC.. Status: granted. Granted Mar 26, 2013. Expires Mar 21, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8404869?

MAZENCE INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 60 pharmaceutical patents for this assignee.

When does US 8404869 expire?

Our index shows an expiration date of Mar 21, 2033 (7 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.