Minamata disease lawsuit Some plaintiffs admit to having the disease but dismiss the lawsuit Kumamoto District Court. The 144 people in their 50s to 100s who live in Minamata City and Amakusa City, Kumamoto Prefecture, and Izumi City, Kagoshima Prefecture.

Claiming that it was unfair that they were excluded from the special measures law that provides relief for victims, the lawsuit demanded compensation of 4.5 million yen per person. Last year, in the first ruling in a similar class action lawsuit, the Osaka District Court recognized all of the plaintiffs as having MinamATA disease.