Nagashima Ohno &amp; TsunematsuNagashima Ohno &amp; Tsunematsu Nagashima Ohno & Tsunematsu It was founded in 2000 upon the merger of Nagashima & Ohno with Tsunematsu Yanase & Sekine. Nagashima & Ohno was founded in 1961 and was considered to be one of the "Big Four" prior to the merger. Tsunematsu Yanase & Sekine was founded in 1987 by a group of lawyers who left the firm of Blakemore & Mitsuki. Nagashima Ohno clients include Bank of Tokyo-Mitsubishi UFJ, Goldman Sachs, GREE, Japan Airlines, JFE Holdings, LaSalle Investment Management, Mizuho Bank, Nomura Holdings, Renault, Sumitomo Mitsui Banking Corporation, Tokyo Electric Power Company, Tokyo Stock Exchange and Yahoo Japan. NO&T partner Hiroshi Mitoma was  voted best corporate lawyer in Japan, and partner Hiroki Inoue was voted best international lawyer in Japan, in a December 2013 "Nihon Keizai Shimbun" poll of attorneys and corporate legal departments. NO&T operates as a two-tiered partnership, under which associates become non-equity "junior partners" in their 10th to 12th year of practice, but only become equity-holding senior partners at a later stage (if ever). Offices. The firm is affiliated with Allens Arthur Robinson in Australia and with Zhong Lun in the People's Republic of China. Nagashima Ohno & Tsunematsu It was founded in 2000 upon the merger