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Leading firm in Global 2026
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Provided by Nagashima Ohno & Tsunematsu
- Global Practice Guides
- Articles, Press releases, highlights
Overview
Provided by Nagashima Ohno & Tsunematsu
Nagashima Ohno & Tsunematsu, based in Tokyo, Japan, is widely recognized as a leading law firm and one of the foremost providers of international and commercial legal services. The over 650 lawyers of the firm, including about 70 experienced lawyers from various jurisdictions outside Japan, work together in customized teams to provide clients with the expertise and experience specifically required for each client matter.
Work & experience
Provided by Nagashima Ohno & Tsunematsu
In representing our leading domestic and international clients, we have successfully structured and negotiated many of the largest and most significant corporate, finance and real estate transactions related to Japan. The firm has extensive corporate and litigation capabilities spanning key commercial areas such as antitrust, intellectual property, labor and taxation, and is known for domestic and cross-border risk management/corporate governance cases and large-scale corporate reorganizations.
Ranked Offices
Provided by Nagashima Ohno & Tsunematsu
Japan - Head office
Tokyo-to
JP Tower, 2-7-2 Marunouchi, Chiyoda-ku, 2-7-2 Marunouchi Chiyoda-ku, Tokyo, Tokyo-to, Japan, 100-7036, Tokyo
Singapore
Singapore Island
6 Battery Road, #40-06, Singapore, Singapore Island, Singapore, 049909, Singapore
Thailand
Bangkok
34th Floor, Bhiraj Tower at EmQuartier 689 Sukhumvit Road Klongton Nuea Vadhana, Bangkok, Bangkok, Thailand, 10110, Bangkok
USA
New York
Carnegie Hall Tower 152 West 57th Street, 37th Floor, New York, New York, USA, 10019 3310, New York
Vietnam
Ha Noi
Suite 10.04 CornerStone 16 Phan Chu Trinh Cua Nam Ward, Hanoi, Ha Noi, Vietnam, Hanoi
Ho Chi Minh City
Suite 1801 Saigon Tower 29 Le Duan Street Saigon Ward, Ho Chi Minh City, Ho Chi Minh City, Vietnam, Ho Chi Minh City
Ranked Departments
Ranked Individuals
Contributions
Latest contributions provided by Nagashima Ohno & Tsunematsu







All contributions provided by Nagashima Ohno & Tsunematsu
Articles, highlights and press releases
71 items provided by Nagashima Ohno & Tsunematsu
Practical Measures in Response to the Amendments to the Equal Pay for Equal Work Guidelines and Rela
Practical Measures in Response to the Amendments to the Equal Pay for Equal Work Guidelines and Related Developments
Enactment of the 2026 Amendments to the Electricity Business Act: New Measures to Promote Energy Sta
Enactment of the 2026 Amendments to the Electricity Business Act: New Measures to Promote Energy Stability and Security
Amendment to Japan’s Space Activities Act From “Spacecraft” to “Space Rockets”: A Paradigm Shift in
Amendment to Japan’s Space Activities Act From “Spacecraft” to “Space Rockets”: A Paradigm Shift in the Regulatory Framework and Creation of New Systems
Nagashima Ohno & Tsunematsu Commences Operations at its Silicon Valley Office
Nagashima Ohno & Tsunematsu Commences Operations at its Silicon Valley Office
Japan’s Private Lodging Market: Legal Framework and Recent Regulatory Trends
Japan’s Private Lodging Market: Legal Framework and Recent Regulatory Trends
Practical Considerations for LLC Joint Ventures in U.S. Real Estate Development Investments
Practical Considerations for LLC Joint Ventures in U.S. Real Estate Development Investments
National Security and Investment Act 2021: what Japanese investors need to know about the current la
National Security and Investment Act 2021: what Japanese investors need to know about the current landscape of the UK’s FDI regime
Acquiring Japanese private companies: key points for European dealmakers
Acquiring Japanese private companies: key points for European dealmakers
Atsushi Nishitani joins Nagashima Ohno & Tsunematsu
Atsushi Nishitani joins Nagashima Ohno & Tsunematsu
Background Music to Stop Being Free: the “Right of Public Performance and Communication of Recording
Background Music to Stop Being Free: the “Right of Public Performance and Communication of Recordings” under the Copyright Act
SpaceX and PayPay Achieve Landmark Simultaneous U.S. and Japan Public Offerings Through IPO/POWL Str
SpaceX and PayPay Achieve Landmark Simultaneous U.S. and Japan Public Offerings Through IPO/POWL Structuring
Be prepared for the new EU foreign investment screening regulation
Be prepared for the new EU foreign investment screening regulation
Overview of the Proposed Institutional Reforms Relating to Agrivoltaics
Overview of the Proposed Institutional Reforms Relating to Agrivoltaics
Will the MBK–Makino Deal Become a Nightmare for Foreign PE Funds? Take aways from Japan's First FDI
Will the MBK–Makino Deal Become a Nightmare for Foreign PE Funds? Take aways from Japan's First FDI Block in 18 Years
First-Ever FDI Suspension Recommendation Under Japan’s Post-2017 FEFTA Regime
First-Ever FDI Suspension Recommendation Under Japan’s Post-2017 FEFTA Regime
Opening of Nagashima Ohno & Tsunematsu Silicon Valley Office
Opening of Nagashima Ohno & Tsunematsu Silicon Valley Office
Nagashima Hosts Reception Celebrating the Opening of its London Office
Nagashima Hosts Reception Celebrating the Opening of its London Office
Recent AI Practice-Related Developments in Japan
Recent AI Practice-Related Developments in Japan
Japanese Supreme Court’s First Ruling on the Copyrightability of Works of Applied Art (Judgment issu
Japanese Supreme Court’s First Ruling on the Copyrightability of Works of Applied Art (Judgment issued on April 24, 2026)
Tokyo Metropolitan Government Published Guidelines related to Data Centers
Tokyo Metropolitan Government Published Guidelines related to Data Centers
IP High Court Clarifies Limits of “Motivation to Combine” in Patent Opposition Appeal
IP High Court Clarifies Limits of “Motivation to Combine” in Patent Opposition Appeal
European floating offshore wind – moving up to large scale
European floating offshore wind – moving up to large scale
Publication of “Guidelines for Standard Essential Patents Judicial Mediation (SEPJM)” by the Intelle
Publication of “Guidelines for Standard Essential Patents Judicial Mediation (SEPJM)” by the Intellectual Property Divisions of the Tokyo District Court
Publication of the “Guidelines for Patent Infringement Lawsuits Involving Standard Essential Patents
Publication of the “Guidelines for Patent Infringement Lawsuits Involving Standard Essential Patents” by the Intellectual Property Divisions of the Tokyo District Court
Japan’s 2026 Tax Reform on Taxation of Crypto Asset Transactions and Its Implications for Foreign In
Japan’s 2026 Tax Reform on Taxation of Crypto Asset Transactions and Its Implications for Foreign Investors
Publication of the “Report on the Appropriate Framework for the Inward Direct Investment Screening S
Publication of the “Report on the Appropriate Framework for the Inward Direct Investment Screening System” – Proposed Amendments to the Foreign Exchange and Foreign Trade Act (Inward Direct Investment Screening System)
Introduction of Mandatory Nationality Reporting Requirements in Real Estate–related Transactions
Introduction of Mandatory Nationality Reporting Requirements in Real Estate–related Transactions
Navigating Japan’s Semiconductor M&A Landscape: Recent Trends and Practical Insights for Foreign Inv
Navigating Japan’s Semiconductor M&A Landscape: Recent Trends and Practical Insights for Foreign Investors
Ministry of Economy, Trade and Industry Releases Draft “Economic Security Management Guidelines”
Ministry of Economy, Trade and Industry Releases Draft “Economic Security Management Guidelines”
Announcing New Partners, Foreign Law Partner, Counsel and Foreign Law Counsel of Nagashima
Announcing New Partners, Foreign Law Partner, Counsel and Foreign Law Counsel of Nagashima
Practical Measures in Response to the Amendments to the Equal Pay for Equal Work Guidelines and Rela
Practical Measures in Response to the Amendments to the Equal Pay for Equal Work Guidelines and Related Developments
Enactment of the 2026 Amendments to the Electricity Business Act: New Measures to Promote Energy Sta
Enactment of the 2026 Amendments to the Electricity Business Act: New Measures to Promote Energy Stability and Security
Amendment to Japan’s Space Activities Act From “Spacecraft” to “Space Rockets”: A Paradigm Shift in
Amendment to Japan’s Space Activities Act From “Spacecraft” to “Space Rockets”: A Paradigm Shift in the Regulatory Framework and Creation of New Systems
Nagashima Ohno & Tsunematsu Commences Operations at its Silicon Valley Office
Nagashima Ohno & Tsunematsu Commences Operations at its Silicon Valley Office
Japan’s Private Lodging Market: Legal Framework and Recent Regulatory Trends
Japan’s Private Lodging Market: Legal Framework and Recent Regulatory Trends
Practical Considerations for LLC Joint Ventures in U.S. Real Estate Development Investments
Practical Considerations for LLC Joint Ventures in U.S. Real Estate Development Investments
National Security and Investment Act 2021: what Japanese investors need to know about the current la
National Security and Investment Act 2021: what Japanese investors need to know about the current landscape of the UK’s FDI regime
Acquiring Japanese private companies: key points for European dealmakers
Acquiring Japanese private companies: key points for European dealmakers
Atsushi Nishitani joins Nagashima Ohno & Tsunematsu
Atsushi Nishitani joins Nagashima Ohno & Tsunematsu
Background Music to Stop Being Free: the “Right of Public Performance and Communication of Recording
Background Music to Stop Being Free: the “Right of Public Performance and Communication of Recordings” under the Copyright Act
SpaceX and PayPay Achieve Landmark Simultaneous U.S. and Japan Public Offerings Through IPO/POWL Str
SpaceX and PayPay Achieve Landmark Simultaneous U.S. and Japan Public Offerings Through IPO/POWL Structuring
Be prepared for the new EU foreign investment screening regulation
Be prepared for the new EU foreign investment screening regulation
Overview of the Proposed Institutional Reforms Relating to Agrivoltaics
Overview of the Proposed Institutional Reforms Relating to Agrivoltaics
Will the MBK–Makino Deal Become a Nightmare for Foreign PE Funds? Take aways from Japan's First FDI
Will the MBK–Makino Deal Become a Nightmare for Foreign PE Funds? Take aways from Japan's First FDI Block in 18 Years
First-Ever FDI Suspension Recommendation Under Japan’s Post-2017 FEFTA Regime
First-Ever FDI Suspension Recommendation Under Japan’s Post-2017 FEFTA Regime
Opening of Nagashima Ohno & Tsunematsu Silicon Valley Office
Opening of Nagashima Ohno & Tsunematsu Silicon Valley Office
Nagashima Hosts Reception Celebrating the Opening of its London Office
Nagashima Hosts Reception Celebrating the Opening of its London Office
Recent AI Practice-Related Developments in Japan
Recent AI Practice-Related Developments in Japan
Japanese Supreme Court’s First Ruling on the Copyrightability of Works of Applied Art (Judgment issu
Japanese Supreme Court’s First Ruling on the Copyrightability of Works of Applied Art (Judgment issued on April 24, 2026)
Tokyo Metropolitan Government Published Guidelines related to Data Centers
Tokyo Metropolitan Government Published Guidelines related to Data Centers
IP High Court Clarifies Limits of “Motivation to Combine” in Patent Opposition Appeal
IP High Court Clarifies Limits of “Motivation to Combine” in Patent Opposition Appeal
European floating offshore wind – moving up to large scale
European floating offshore wind – moving up to large scale
Publication of “Guidelines for Standard Essential Patents Judicial Mediation (SEPJM)” by the Intelle
Publication of “Guidelines for Standard Essential Patents Judicial Mediation (SEPJM)” by the Intellectual Property Divisions of the Tokyo District Court
Publication of the “Guidelines for Patent Infringement Lawsuits Involving Standard Essential Patents
Publication of the “Guidelines for Patent Infringement Lawsuits Involving Standard Essential Patents” by the Intellectual Property Divisions of the Tokyo District Court
Japan’s 2026 Tax Reform on Taxation of Crypto Asset Transactions and Its Implications for Foreign In
Japan’s 2026 Tax Reform on Taxation of Crypto Asset Transactions and Its Implications for Foreign Investors
Publication of the “Report on the Appropriate Framework for the Inward Direct Investment Screening S
Publication of the “Report on the Appropriate Framework for the Inward Direct Investment Screening System” – Proposed Amendments to the Foreign Exchange and Foreign Trade Act (Inward Direct Investment Screening System)
Introduction of Mandatory Nationality Reporting Requirements in Real Estate–related Transactions
Introduction of Mandatory Nationality Reporting Requirements in Real Estate–related Transactions
Navigating Japan’s Semiconductor M&A Landscape: Recent Trends and Practical Insights for Foreign Inv
Navigating Japan’s Semiconductor M&A Landscape: Recent Trends and Practical Insights for Foreign Investors
Ministry of Economy, Trade and Industry Releases Draft “Economic Security Management Guidelines”
Ministry of Economy, Trade and Industry Releases Draft “Economic Security Management Guidelines”
Announcing New Partners, Foreign Law Partner, Counsel and Foreign Law Counsel of Nagashima
Announcing New Partners, Foreign Law Partner, Counsel and Foreign Law Counsel of Nagashima
Nagashima Ohno & Tsunematsu
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