NMT Jolts WL Gore Over Patented Heart Implant

Law360 (October 27, 2008, 12:00 AM EDT) -- Medical technology company NMT Medical Inc. has sued W.L. Gore & Associates Inc., alleging the consumer products giant has infringed a patent for an implant device used to treat atrial defects in the heart.

The lawsuit, filed Thursday in the U.S. District Court for the District of Delaware, claims that W.L. Gore’s Helex septal occluder violates NMT’s patented invention for closing cardiovascular septal defects.

According to the complaint, W.L. Gore infringes U.S. Patent Number 5,108,420, which covers the device and method used to treat congenital septal...
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