USA: Home Semiconductor Corp. v. Samsung Electronics Co., Ltd, United States Court of Appeals, Federal Circuit, No. 2016-2215, 25 July 2017
The Patent Trial and Appeal Board’s construction of a key claim term in a patent directed to a method for fabricating a self-aligned contact hole in a semiconductor circuit was overbroad in light of the actual claim language and specification, the U.S. Court of Appeals for the Federal Circuit has held. Because a prior art…