Mitsubishi Induced Infringement In Silicon Wafer Dispute, Federal Circuit Rules

Law360 (August 22, 2005, 12:00 AM EDT) -- In a setback for Japanese industrial conglomerate Mitsubishi, the Federal Circuit ruled Monday the company induced infringement of a patent held by Missouri-based silicon wafers manufacturer MEMC Electronic Materials Inc.

Tokyo-based Mitsubishi Materials Silicon Corp., along with its closely-related co-defendants, was accused of infringement in December 2001 in U.S. District Court for the Northern District of California. Judge Sandra Brown Armstrong ruled for Mitsubishi, citing lack of evidence the company had either infringed the patent or induced infringement.

The Federal Circuit, however, partially reversed that ruling,...
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