Facebook files patent countersuit against Yahoo - Muncie Star Press

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Facebook files patent countersuit against Yahoo Muncie Star Press AP NEW YORK -- Facebook is stepping up its patent dispute with Yahoo by filing its own lawsuit against the struggling Internet icon. Facebook's lawsuit Tuesday came just weeks after Yahoo claimed that Facebook violated 10 patents covering advertising, ... Summary Box: Facebook files countersuit vs YahooBusinessWeek Facebook files counterclaims against YahooSan Francisco Chronicle Facebook counters Yahoo's legal action with a lawsuitBBC News Reuters -Wall Street Journal all 475 news articles »

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