Top Facebook game developer Zynga was sued for copyright infringement by rival Psycho Monkey last February. It was accused of copying the popular — and lucrative — Mob Wars game in its own creation, Mafia Wars. That case was only recently settled, but in the meantime, Zynga has turned around and filed 22 copyright and trademark lawsuits against other developers.

One suit, against leading rival Playdom, has been gaining some attention. But Zynga has also sued other well-known developers, including Greenpatch Inc, makers of (Lil) Green Patch and the increasingly popular (Lil) Farm Life — that suit was the most recent, filed on August 7th. July was a far busier month, when Zynga filed 14 suits.

However, many of the defendants are clearly not in the right.

> Continue reading at Inside Facebook