Healthcare Industry News:  Cook Medical  

Devices Interventional Litigation

 News Release - September 23, 2009

Cook Incorporated Wins Patent Infringement Appeal Filed By Edwards Lifesciences

BLOOMINGTON, Ind.--(HSMN NewsFeed)--The United States Court of Appeals for the Federal Circuit today affirmed the previous ruling of the United States District Court for the Northern District of California that Cook Incorporated does not infringe on Edwards’ patents for endovascular devices to treat aneurysms, Cook officials announced today.

“Since 2003, when this case began, we have remained steadfast that the claims were without merit, and we aggressively defended this case on that basis,” said Cynthia Kretz, general counsel for Cook. The company was represented by the law firm of Brinks Hofer Gilson & Lione in the litigation.

The original case, C 03-03817 JSW, involved Edwards claiming patent infringement on four of Cook’s Zenith endovascular stent-grafts for use in treating abdominal aortic aneurysms (AAAs) and thoracic aortic aneurysms (TAAs).

The United States Court of Appeals for the Federal Circuit reaffirmed the District Court’s ruling “that no reasonable jury could find infringement” or “conclude that Cook’s accused devices” literally infringed the Edwards patents, and “that Edwards cannot, as a matter of law, show that Cook’s accused devices infringe the patents-in-suit under the doctrine of equivalents. Cook, therefore, is entitled to judgment in its favor on this basis as well,” the Court wrote in its original decision.

About Cook Medical

Cook Medical helped invent and popularize interventional medicine, pioneering many of the devices now commonly used worldwide to perform minimally invasive medical procedures throughout the body’s vascular, gastrointestinal, respiratory, urological and OB/GYN pathways. Today, the company integrates minimally invasive medical device design, biopharma, gene and cell therapy and biotech to enhance patient safety and improve clinical outcomes in the fields of aortic intervention; interventional radiology; critical care medicine; gastroenterology; peripheral vascular medicine; bone access and oncology; interventional cardiology; general surgery and soft tissue repair; urology; and assisted reproductive technology, gynecology and high-risk obstetrics. Founded in 1963, Cook Medical operates as a family-held private corporation focused on providing superior patient outcomes while reducing health care delivery costs. For more information, visit You may sign up to follow Cook Medical on Twitter at

Source: Cook Medical

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