Before Reyna, Cunningham and Albright. Appeal from the United States District Court for the District of Colorado. Summary: A claim that an unpatented product feature is “patented,” “proprietary,” or “exclusive” may violate Section 43(a)(1)(B) of the Lanham Act. Crocs brought suit against U.S.A. Dawgs, Inc. and several other competitor shoe distributors (collectively, “Dawgs”) for patent infringement.