Written by Mark Terry Happy New Year to all! But not so happy for Applied Materials, Inc., a semiconductor manufacturer in California. Yesterday, the Board of Patent Appeals and Interferences of the U.S. Patent and Trademark Office issued a decision largely affirming a Patent Examiner’s rejection of an Applied Materials patent application covering a key semiconductor manufacturing process. Yesterday’s decision revolves mainly around the issue of “optimization of ranges.” To illustrate this issue, assume that the prior art for car-wash technology discloses the placement of water-dispensing nozzles in certain locations inside the car-wash. Let’s say that a client invents a