Mafia wars and FarmVille maker Zynga sued by Agincourt Gaming for patent infringement

You might have played Mafia Wars on Google Plus games or FarmVille on Facebook, which is developed by a company called Zynga. A games company is accusing Zynga of infringing its patents and asking that it shut down its most popular games for the social networks, including FarmVille and Mafia Wars.

Zynga sued by Agincourt Gaming for patent infringement

In a complaint filed on 17 August in U.S. District Court in Delaware, Agincourt Gaming, which has a Facebook game called Pantheon, claims Zynga infringed two of its patents dating back to 1996 that relate to redeeming virtual prizes in games.

• Agincourt Gaming is seeking damages and asking that Zynga shut down 12 games that it says infringe its patents.
• Zynga filed for an initial public offering of up to $1 billion on July 1.
• Zynga is currently in a legal battle with Vostu, a Brazilian games maker. In June, it sued the Brazilian company for allegedly copying its games.