Federal appeals court denies Medtronic in Endotach stent graft patent case

A federal appeals court today declined to overturn a U.S. Patent & Trademark Office decision to deny Medtronic‘s (NYSE:MDT) bid for the review of a pair of stent graft patents licensed to Endotach, a subsidiary of patent troll Acacia Research.

Endotach sued Medtronic in 2012, alleging that the medtech giant infringed a pair of patents licensed to Endotach by their inventor’s widow. The patents, for “Endovascular Bypass Graft” and “intravascular Stent with Secure Mounting Means,” were awarded to Dr. Valentine Rhodes and passed on to his widow after his death in 2000, according to the documents.

The lawsuit, filed in the U.S. District Court for Northern Florida, accuses Medtronic of violating the patents with its Trident, Valiant and Endurant stent grafts.

In September 2014 the USPTO’s Patent Appeal Trial Board denied Medtronic’s request for inter partes review for a 2nd time. Medtronic appealed to the U.S. Court of Appeals for the Federal Circuit, which today denied the appeal without comment.

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