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Samsung Sues Apple in Japan, Australia to Halt IPhone 4S

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.