Through a combination of interdepartmental miscommunication (try saying that five times fast) and the trigger-happy zealotry of Nintendo's legal department, in addition to suing the Yuzu development team, Nintendo has issued a court summons to the Yuzu farmers' collective of Japan, but also the Yuzu Cooperative Association of China, Yuzu Farmers' Union of California, a number of Ouzo manufacturers in Greece (it sounds vaguely like yuzu), and the Belgrade Zoological Garden (a Yu Zoo). When in doubt, cast a wide net and hope.
Further updates as events develop.
Further updates as events develop.