CAFC Affirms PTAB Finding that Prior Art Reference was Not ‘By Another’

In a precedential decision issued earlier this month, the U.S. Court of Appeals for the Federal Circuit (CAFC) affirmed a decision of the Patent Trial and Appeal Board (PTAB) in an appeal by LSI Corporation and Avago Technologies U.S. Inc. (LSI) regarding the PTAB’s finding that LSI’s cited reference in an inter partes review (IPR) did not qualify as prior art. The CAFC said in part that U.S. Patent No. 5,731,768 (“Tsang”) was not “by another” under 35 U.S.C. 102(e) for U.S. Patent No. 5,859,601 (‘601 patent).Read More