According to Japanese news site Sankei , Capcom is suing fellow publisher Koei Tecmo for multiple cases of patent infringement.

The exact contents of the patents are yet unknown, but alleged infringements include a number of functions found within key games, including the ability to import or content from an old title to a new one, disc-based expansions, and controller vibrations to warn when enemies are nearby. Samurai Warriors: Xtreme Legends and 49 other games have been cited in the lawsuit. Along with roughly $9.43 million USD in damages, Capcom is also calling for many of the sales of these games to be suspended. According to Capcom , the games in question containing said patent infringements have "greatly contributed to the sales" of Koei Tecmo, and wants to claim 5-10 percent in license fees.Keep it locked to IGN to learn more about the lawsuit as news develops.

Cassidee is a freelance writer for various outlets around the web. You can chat with her about all things geeky on Twitter