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Varicose vein treatment patent case heads to trial

This article was originally published in The Gray Sheet

Executive Summary

VNUS Medical Technologies' patent infringement case against competitors Diomed, AngioDynamics and Vascular Solutions is scheduled to go to trial Oct. 29 in the U.S. District Court in Northern California following the judge's denial of both sides' motions for summary judgment Oct. 2. VNUS, maker of the ClosureFAST radiofrequency system for treatment of varicose veins, alleged infringement of patents related to the technology in 2005. AngioDynamics replaced its VenaCure product with a modified NeverTouch VenaCure system in June after losing a separate patent suit to Diomed, maker of the EVLT endovenous laser treatment. Vascular Solutions also modified its Vari-Lase system as a result of that case (1"The Gray Sheet" April 16, 2007, p. 16)

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