Ushio America, Inc., Engineering CPR, Inc. along with a group of creditors filed an involuntary petition for reorganization under Chapter 11 against Medizone International, Inc. in the US Bankruptcy Court for the District of Nevada on April 18, 2018. The total claim amount of the petitioning creditors was $1.62 million. The petitioning creditors are represented by Merle C. Meyers of Meyers Law Group, P.C. as their legal counsel.