Court Dismisses IXYS Complaint, Invalidates Patents

Law360, New York (June 16, 2004, 12:00 AM EDT) -- A U.S. district court has dismissed chipmaker IXYS Corporation's claims of patent infringement against rival Advanced Power Technology and invalidated the patents that formed the basis of the lawsuit.

The U.S. District Court of the Northern District of California granted summary judgment in favor of Advanced Power Technology, ruling that IXYS' US. Patent Nos. 5,486,715 and 5,801,419 are not infringed by Advanced Power Technology’s power MOSFET products.

Moreover, the court held that "IXYS's patents are invalid because obvious,” according to Advanced Power Technology.

Key prior art...
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