With the Nintendo Wii outselling both the PlayStation 3 and the Xbox 360 worldwide, it faces a possible ban in the USA due to a patent-infringement case that could cost Nintendo $21 million.

The patent doesn’t cover the console itself; instead it covers the controllers for the GameCube and the Nintendo Wii. Nintendo has already lost the lawsuit, and has been told that they cannot have a retrial. The company that owns the patent that Nintendo have apparently copied is called Anascape Ltd, and they have very little coverage or presence in the gaming world. They’re a firm from Texas who few people have even heard of.

The specific controllers that are affected from Nintendo are:

• The GameCube controller
• Nintendo Wii classic controller

It doesn’t affect the Wii Remote or the Nunchuk however.

Nintendo still denies they broke any patent laws and insists they’ll appeal.