the lawsuit is targeting three patents in particular. These primarily cover throwing an object in a specific direction to either summon a battle character or to capture a creature in the field
Better watch out, Ghostbusters. Your ghost trap might be next.
No they specifically only target companies that cannot defend themselves. World of Warcraft has battle pets that you can capture by throwing cages at them and then train and fight them against other battle pets. Nintendo isn't about to file a lawsuit against Microsoft.