Nintendo sue mobile developer Colopl 

President Tatsumi Kimishima representing Nintendo Co., Ltd. filed a lawsuit against mobile developer Colopl Co., Ltd. on 22 December 2017 for ¥4.4 billion ($39.33 million) over five violations of infringement of patent rights (one involves operating a joystick over the touch panel) for the mobile game Shironeko Project. Colopl claim this assertion is unfair. 

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