Samsung Electronics Co. sued Apple Inc. in Japan and Australia to stop sales of the iPhone 4S, escalating a legal battle between the world’s two biggest makers of smartphones and tablet computers.
Samsung also sought injunctions against the sale of the iPad 2 and the previous generation iPhone 4 in Japan, the Suwon, South Korea-based company said in a statement today. Samsung claimed Apple’s products infringe its patents covering wireless communications and user-interface technologies.