Ericsson Sues to Block Apple IPhone in U.S. Amid Patent Spat

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The licensing battle between Apple Inc. and Ericsson AB is escalating.

Ericsson, a pioneer in mobile phones that transformed itself into the world’s largest maker of wireless networks, said Friday it’s filing seven new lawsuits in a U.S. court and is asking the U.S. International Trade Commission to block Apple products from the U.S. market.