Analysis of overall appearance determines whether patented design is dictated by function In PHG Technologies, LLC v. St. John Companies, Inc., the Federal Circuit vacated the preliminary injunction of the district court finding St. John raised a substantial questions of validity of the two patents-at-issue. At issue were two design patents owned by PHG: the ‘405 and ‘197 patents. The ‘405 and ‘197 patents depend from a […] Continue Reading →