The case involves IGE's calculated decision to reap substantial profits by knowingly interfering with and substantially impairing the intended use and enjoyment associated with consumer agreements between Blizzard Entertainment and subscribers to its virtual world called World of Warcraft.
The lawsuit seeks both monetary damages and a stop IGE's gold farming activities. (If you just can't get enough legalspeak, you can take a look at the entire text of the lawsuit here, via Terra Nova.) Now, I have to admit that I am not a lawyer and cannot tell you whether this lawsuit has any substance to it. However, I can assure you that over here at WoW Insider we'll be looking for any updates on this -- so we can pass them right on to you.