Virtual worlds developer Worlds.com on Monday announced that it has filed a patent infringement lawsuit against video game developer NCsoft, whose multiplayer online titles include "City of Heroes" and "Guild Wars."Wow Gold Ankauf

The patent in question "relates to computer architecture for a three-dimensional graphical multi-user interactive virtual world system... which provide a graphical representation of the player's character (avatar) wherein movement of the character in virtual space alters what the character views."

"We had to protect our client's intellectual property," guild wars gold said Alexander Poltorak, chairman and CEO of General Patent Corporation, which Worlds.com hired for patent licensing and enforcement.

"However, we welcome a dialog with NCSoft and other MMO game vendors."