What's an upstart company to do in a world dominated by deep-pocketed publishers and corporate titans? Sue them, of course! Walker Digital, the brainchild of Priceline.com founder Jay Walker, made headlines by suing Facebook late last year and has now completed a legal double-play by filing a patent infringement suit against Zynga and Activision-Blizzard.

The alleged misconduct hinges on a "database driven online distributed tournament system" that Walker Digital claims has been infringed upon for games ranging from Mafia Wars, Wolfenstein, and Call of Duty to Blizzard's behemoth World of Warcraft MMORPG. TechCrunch has all the details, including an embed of the original complaint documents.

This article was originally published on Massively.
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