
In Wasica Finance GmbH v. Continental Automotive Sys., Inc., (Fed. Cir. Apr. 4, 2017), the Federal Circuit affirmed-in-part and reversed-in-part two PTAB final written decisions cancelling some but not all challenged claims of U.S. Patent No. 5,602,524 (“the ‘524 patent”). The PTAB and court decisions are interesting because together they highlight the consequence of not supporting seemingly strong arguments with expert witness testimony. Further, the decisions highlight the consequence of not explaining how facts implicate esoteric nuances in the patent laws.Continue Reading Federal Circuit Signals that PTAB Correctly Construed Most Signal Terms but Misconstrued one Other




A little more than a month after the Delaware district court narrowly interpreted the IPR estoppel provision to suggest that it may not be necessary to include all known grounds so as to avoid estoppel in district court litigation, the same court issued a decision suggesting that the IPR estoppel provision may not be so narrow after all. The decision adds to the growing confusion over the scope of the estoppel provision Congress wrote into the AIA.
