Law360, New York (November 04, 2009) -- Two movie theater heavyweights have gone to battle over large-screen theaters, with Cinemark USA Inc. seeking a declaration that two patents held by Imax Corp. are invalid, arguing that Imax has “placed a cloud” over Cinemark's business.
Cinemark fired off the lawsuit in the U.S. District Court for the Eastern District of Texas on Tuesday after Imax, which itself specializes in large-screen theaters, expressed concern that Cinemark's...


