In Poly America, LP v. API Industries, Inc., [2016-1200] (October 14, 2016), the Federal Circuit  affirmed the district court’s construction of “short seal” in the claims of U.S. Patent No. 8,702,308 to require that such seals extend inwardly, because of clear and unequivocal … Continue reading Disavowal By Description, Disparagement, and Argument Limit Claims