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Sony Seeks to Block LG TVs in Latest Patent Fight

Sony Corp. filed patent-infringement complaints against LG Electronics Inc. over liquid-crystal display televisions and monitors, escalating a legal battle between the two electronics makers.

Sony filed two new complaints, each listing four patents, yesterday in federal court in Los Angeles, as well as a complaint with the U.S. International Trade Commission in Washington. In the ITC case, the Tokyo-based electronics maker is seeking to block U.S. imports of some of the South Korean company’s LCD televisions and monitors.