Mealey's (January 9, 2018, 8:08 PM EST) -- SAN FRANCISCO — The organizer of the annual “Life is Beautiful” festival tells the Ninth Circuit U.S. Court of Appeals in a Jan. 5 brief that an artist’s trademark claims related to that phrase were properly dismissed due to unclean hands and a failure to use the asserted marks in commerce (Amusement Art LLC v. Life is Beautiful LLC, et al., No. 17-55045, 9th Cir.)....