Houghton Mifflin Unit Tries To Block Rival ‘Oregon Trail’

Law360, New York (June 7, 2011, 6:03 PM EDT) -- The Houghton Mifflin Harcourt Publishing Co. unit that owns the rights to the popular computer game "The Oregon Trail" on Tuesday asked a Massachusetts federal court to order Zynga Game Network Inc. to stop using the phrase "Oregon Trail" in its similar "FrontierVille" game.

The Learning Co., which hit Zynga with a trademark infringement suit on May 18, asked the court to order the social gaming company to remove all references to the Oregon Trail in the game by June 13 and not use them again...
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