Defendants In Vnus’ Patent Suit Lose Invalidity Bid

Law360, New York (October 22, 2007, 12:00 AM EDT) -- In another blow to defendants in Vnus Medical Technologies Inc.’s patent suit, a federal judge has rejected their argument that Vnus’ two patents covering a laser treatment for varicose veins are invalid based on obviousness.

Diomed Holdings Inc., Angiodynamics Inc. and Vascular Solutions Inc., which had lost their summary judgment bids on lack of enablement and anticipation earlier this month, took another hit on Monday when the U.S. District Court for the Northern District of California shot down their bid that claimed a certain procedure for...
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