The US Court of Appeals for the Federal Circuit ruled that the “substantially the same way” comparison in connection with a doctrine of equivalents (DOE) analysis involving a means-plus-function claim limitation should focus...more
An en banc decision from the Federal Circuit last week overruled a line of cases governing the interpretation of functional claim language, calling into question how courts, the PTO, and industry will treat such language in...more
Today, the Federal Circuit issued a ruling in Lighting Ballast v. Philips on remand from the Supreme Court after the Teva decision changed the standard of review of a district court’s claim construction. One of the more...more