Mentor Graphics Patent Mostly Survives Inter Partes Review

Law360, New York (February 25, 2014, 7:44 PM EST) -- The U.S. Patent and Trademark Office has handed a rare victory in an inter partes review to Mentor Graphics Corp., finding that nine claims of a Mentor patent related to prototyping circuits challenged by Synopsys Inc. were patentable and three claims were not.

The dispute before the USPTO's Patent Trial and Appeal Board ends after years of legal wrangling between Mentor Graphics and EVE-USA Inc., which is now owned by Synopsys. Before the board, Synopsis claimed that the patent-in-suit, U.S. Patent Number 6,240,376, was anticipated by prior art...
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