Nagashima Ohno & Tsunematsu

Law PracticeTokio, Japan201-500 Employees

Nagashima Ohno & Tsunematsu, based in Tokyo, operates as a leading law practice providing international and commercial legal services to a global client base. It structures and negotiates significant corporate, finance, and real estate transactions in Japan and maintains strong corporate and litigation capabilities across antitrust, intellectual property, labor, and taxation. The firm is noted for handling cross-border risk management and governance matters, including fraud investigations, white-collar defense, insolvency, and large-scale restructurings, delivered through customized teams drawn from a broad pool of lawyers.

Its expansive overseas network—covering locations in New York, Shanghai, Singapore, Bangkok, Ho Chi Minh City, Hanoi, Jakarta, and London—enables coordination of complex matters across multiple jurisdictions. The firm serves both domestic and international clients and aims to expand its presence in the United States, the Americas, and Europe to better meet cross-border legal needs; a recent development includes recognition for internal innovation, with Ryuhei Itaya receiving an intrapreneur award in May 2026 for co-founding MNTSQ.

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