Partial Win for VLSI Against Intel as CAFC Reverses PTAB on One Claim of Integrated Circuit Patent

In a precedential opinion issued yesterday, the U.S. Court of Appeals for the Federal Circuit (CAFC) ruled partially in favor of VLSI Technology, Inc. in its case with Intel, reversing the Patent Trial and Appeal Board’s (PTAB’s) holding that one claim of U.S. Patent No. 7,247,552 was unpatentable. The court upheld the PTAB’s unpatentability findings on the three other challenged claims. Intel filed three separate inter partes review (IPR) petitions against VLSI challenging the validity of claims 1, 2, 11, and 20 of the ‘552 patent, which is directed to “’[a] technique for alleviating the problems of defects caused by stress applied to bond pads’ of an integrated circuit.”Read More