SAN FRANCISCO - Producers and owners of multimedia content cannot demonstrate antitrust injury in their lawsuit against wireless carriers because they are not participants in the same market, the Ninth Circuit U.S. Court of Appeals affirmed April 17 in an unpublished opinion (Bruce Max Davis, et al. v. AT&T Wireless Services Inc., et al., No. 12-55985, 9th Cir.; 2014 U.S. App. LEXIS 7243).