Decoding Rosetta Stone: Trademark Lessons and Unanswered Questions From The Fourth Circuit’s Decision Regarding Google’s Keyword Advertising Program

On April 9, the U.S. Court of Appeals for the Fourth Circuit handed down its decision in Rosetta Stone Ltd. v. Google Inc. At issue in the appeal was whether Google’s sale of “Rosetta Stone” keywords for use in Google’s AdWords advertisements constituted primary (direct) or secondary (contributory/vicarious) trademark infringement or diluted Rosetta Stone’s trademarks.

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