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
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
, and Call of Duty
behemoth World of Warcraft
has all the details, including an embed of the original complaint documents.