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Nagashima Ohno & Tsunematsu (NO&T) is one of Japan's 'Big Four' full-service law firms, renowned for providing a comprehensive range of legal services for domestic and international business activities. The firm is consistently ranked as a top-tier firm in Japan across various practice areas, including M&A, corporate finance, crisis management, litigation and arbitration, and intellectual property. It serves a diverse clientele, including major domestic and international corporations, financial institutions, and government entities, offering practical and innovative legal solutions.
Serves as the main operational hub for the firm, coordinating domestic and international legal services, housing a significant number of its lawyers and support staff, and managing firm-wide strategy and administration.
Located in JP Tower, a prominent skyscraper directly connected to Tokyo Station, offering modern facilities, advanced technology infrastructure, and convenient access. The building integrates contemporary design with the historical facade of the former Tokyo Central Post Office.
Characterized by high professionalism, dedication, and a collaborative yet demanding environment typical of top-tier law firms. Emphasis is placed on excellence, meticulous work, client-centric service, and fostering diverse talent. There's a blend of traditional Japanese business etiquette with a modern, international outlook.
The Tokyo headquarters is central to NO&T's identity and operations as one of Japan's leading law firms. Its location in Marunouchi, the heart of Japan's financial and business world, underscores its prominence and facilitates close interaction with major clients, regulatory bodies, and governmental agencies.
Nagashima Ohno & Tsunematsu supports a wide range of global functions for its clients. This includes advising on complex cross-border M&A transactions, international finance and capital markets deals, global dispute resolution and arbitration, international trade, intellectual property protection across jurisdictions, antitrust and competition law matters with international implications, and providing legal support for Japanese companies expanding overseas as well as foreign companies investing in Japan. Their network of international offices in key financial and business hubs, along with strong relationships with leading foreign law firms, ensures seamless and comprehensive service delivery worldwide.
JP Tower, 2-7-2 Marunouchi
Chiyoda-ku, Tokyo
Tokyo
Japan
Address: 600 Lexington Avenue, 25th Floor, New York, NY 10022, U.S.A.
To facilitate U.S.-Japan business and legal activities, offering direct access to the firm's expertise for North American clients and supporting Japanese clients' operations and investments in the region.
Address: 6 Battery Road, #38-02, Singapore 049909
To support clients' activities in the rapidly growing Southeast Asian market, leveraging Singapore's position as a major financial and legal center in the region.
Address: Unit 2203, 22nd Floor, The Offices at Centralworld, 999/9 Rama 1 Road, Pathumwan, Bangkok 10330, Thailand
To offer specialized legal support for Japanese businesses operating in Thailand and Thai companies engaging with Japan, catering to the specific needs of this important Southeast Asian economy.
Address: Suite 1804, 18th Floor, Saigon Tower, 29 Le Duan Street, District 1, Ho Chi Minh City, Vietnam
To assist Japanese and international clients with their business ventures in Vietnam, one of Asia's fastest-growing economies, providing local expertise combined with international standards.
Address: Suite 10.04, 10th Floor, CornerStone Building, 16 Phan Chu Trinh Street, Hoan Kiem District, Hanoi, Vietnam
To offer comprehensive legal coverage across Vietnam, supporting clients in the northern region and facilitating engagement with regulatory authorities.
Address: Room 2703, Shanghai Maxdo Centre, 8 Xingyi Road, Changning District, Shanghai 200336, China
To facilitate Sino-Japanese business transactions and provide legal support for clients operating in the significant Chinese market.
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As of April 2025, Nagashima Ohno & Tsunematsu' leadership includes:
Nagashima Ohno & Tsunematsu has been backed by several prominent investors over the years, including:
Nagashima Ohno & Tsunematsu announced the appointment of five new representative partners effective January 1, 2024, strengthening its leadership team. The firm also regularly promotes lawyers to partnership and counsel positions.
Discover the tools Nagashima Ohno & Tsunematsu uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Nagashima Ohno & Tsunematsu generally uses a consistent email format for its professionals, typically combining the lawyer's initial and last name, or variations thereof, with the firm's domain 'noandt.com'. Public contact is often directed through general info mailboxes or specific department contacts found on their website.
[first_initial]_[last_name]@noandt.com or [first_name].[last_name]@noandt.com
Format
t_suzuki@noandt.com
Example
85%
Success rate
Nagashima Ohno & Tsunematsu Official Website • January 1, 2024
Nagashima Ohno & Tsunematsu announced the appointment of five new representative partners: Masahiro Matsuoka, Yushi Hegawa, Yoshimi Ohara, Masayuki Ishibashi, and Kei Asatsuma, effective January 1, 2024. The firm also welcomed 15 new partners and 11 new counsel, underscoring its continued growth and commitment to developing talent....more
Nagashima Ohno & Tsunematsu Official Website • December 15, 2023
Nagashima Ohno & Tsunematsu (NO&T) has once again received top-tier rankings in the Chambers Asia-Pacific 2024 guide. The firm was recognized as a Band 1 firm in numerous key practice areas in Japan, including Banking & Finance, Competition/Antitrust, Corporate/M&A, Dispute Resolution, and Real Estate. Many of its lawyers were also individually ranked as leading practitioners, reaffirming its position as a premier law firm in the Asia-Pacific region....more
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