Northgate Infringes Lexion Laparoscopy IP: Fed. Circ.

Law360, New York (April 22, 2011, 6:51 PM EDT) -- The Federal Circuit on Friday upheld a ruling that Northgate Technologies Inc.'s Humi-Flow device infringes a Lexion Medical LLC laparoscopy patent.

The appeals court affirmed an Illinois district court's summary judgment ruling in favor of Lexion, finding that the lower court had correctly construed the patent's claims and that as a result the Humi-Flow, a device used in laparoscopic surgery, infringed the patent.

Lexion and Northgate have been sparring over whether the Humi-Flow infringes Lexion's patent for a device that heats and humidifies gas used to...
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