Sony and Samsung's Attack on Raytheon Chip Patent Affirmed

摘要

Raytheon Co.'s patent claims relating to manufacturing stacked semiconductors were properly invalidated for obviousness, a federal appeals court has ruled. The Patent Trial and Appeal Board, the patent office body that decides administrative validity challenges, cor-rectly rejected Raytheon's arguments that the patent predated the prior art, the U.S. Court of Appeals for the Federal Circuit ruled April 2.