New submitter thunderdanp writes with news that a company called Worlds Inc. has filed a patent suit against Activision Blizzard, targeting World of Warcraft and the Call of Duty series. The patents in question describe a "System and Method for Enabling Users to Interact in a Virtual Space." Worlds Inc. is quite glad that "their" technology has "helped the businesses of virtual worlds gaming and the sale of virtual goods to grow into a multibillion-dollar industry" — but now they want a cut.