Mitsuo Matsushita is a professor emeritus of Tokyo University and a counsel to Nagashima, Ohno & Tsunematsu, a leading international law firm in Tokyo.
Having earned a Ph.D. degree from Tulane University in 1962 and a D.Jur. degree from Tokyo University in 1968, he went on to be internationally acknowledged as a Japanese expert in the field of competition law and international economic law. In his academic career, he has held professorships in Japan at Sophia University, Tokyo University and Seikei University. He has been a visiting professor at Harvard Law School, Michigan Law School, Columbia Law School, the Monash University in Australia and at the College of Europe in Bruges, Belgium. He has written many books and articles on various aspects of international trade and competition and investment law.
Mitsuo Matsushita is admitted to Tokyo Bar (Daiichi Tokyo Bengoshi Kai). In his public career, he served as one of the founding members of the Appellate Body of the World Trade Organization from 1995 to 2000. He has been attached to the Ministry of Finance, the Ministry of Economics, Trade and Industry and the Ministry of Telecommunications and Posts of the Japanese government as a member of various councils dealing with telecommunications, customs and tariffs, export and import transactions, and industrial property. Currently he is a member of the Industrial Structure Council attached to the Ministry of Economics, Trade and Industry and a member of the Office of Trade and Investment Ombudsman which is part of the Japanese government dealing with market access issues. He is also a member of the advisory board attached to the Academy of the World Intellectual Property Organization.