SANTA CLARA, CA --Sigrity Inc. and The Research Foundation of State University of New York (SUNY) have filed a lawsuit against Ansoft Corp. and ANSYS, Inc. for infringement of U.S. Patent No. 5,504,423 titled "Method for Modeling Interactions in Multilayered Electronic Packaging Structures.”
SAN JOSE -- Cadence Design Systems today pulled its bid to acquire Mentor Graphics, and in doing so offered up some harsh words for its competitor.The EDA firm's board instead authorized a $500 million increase to the company's stock repurchase program.