TechCrunch by Michael Arrington:- Social game startup Zynga sure does get into a lot of legal fights. Just as they settle down to business with the Playdom you-stole-our-playbook fight, we’ve confirmed that they settled a different lawsuit – one where they were playing defense.

In February 2009 Mob Wars creator David Maestri sued Zynga for copyright infringement. Zynga’s game Mafia Wars – a text-based game very similar to Mob Wars – was just too much of a copy of Mob Wars, said Maestri. Maestri himself had only recently cleared up his own rights to the game after a scuffle with his former employer, SGN.The Maestri-Zynga lawsuit has now been settled as well. The rumor was that Maestri was demanding $10 million from Zynga to settle the litigation. Ultimately, says one source, he got a payment in the “high seven figures.” So that implies something like $7 – $9 million.

Wonder why the settlement was so high? It’s hard to believe, but Mob Wars was pulling in an estimated $1 million/month at one point from users eager to upgrade their weapons and other stuff. These games seem silly, but real money flows through them from virtual goods.

Not a bad payday for Maestri. And it also highlights the fact that none of these companies have a completely clean record when it comes to respecting the intellectual property of competitors.