
In Telefonaktiebolaget LM Ericsson, (“Ericsson”), v TCL Corporation, (“TCL”), 2017-2381, -2385 (Fed. Cir. Nov. 7, 2019), the Federal Circuit affirmed the PTAB’s decision that canceled claims in an Ericsson patent that TCL challenged based on its subsidiary finding that a German journal article TCL presented was indeed prior art. The decision is important because it offers guidance in assessing what type of evidence may be persuasive in a PTAB’s assessment of the public accessibility of a journal article whose publication date is close to the challenged patent’s critical date.
Continue Reading Raiders of the Lost Art