10/24/2012 12:49 pm ET Updated Dec 24, 2012

Apple: Justice Department Investigating Samsung's Use Of Patents

The U.S. Department of Justice is investigating whether Samsung Electronics Co. (005930.SE, SSNHY) has misused some of its mobile-device patents in ways that violate antitrust law, rival Apple Inc. (AAPL) said in a legal document filed late Monday.

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