Ameranth filed suit against Apple, alleging that Apple’s mobile coupon, ticketing, and loyalty card management application “Passbook”  infringes four patents generally related to online and mobile restaurant reservation and order systems. As noted in the complaint, Ameranth has previously filed suits against a number of Passbook partners including Fandango, Starwood Hotels, StubHub and Ticketmaster. 9/26, Southern District of California, assigned to Judge Anthony J. Battaglia and referred to Magistrate Judge Bernard G. Skomal, 3:2012cv02350.