Nagashima Ohno & Tsunematsu
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The team at Nagashima Ohno & Tsunematsu represents both domestic and cross-border businesses in litigation before Japanese courts, as well as in arbitration and mediation proceedings. Led by Koki Yanagisawa, the team has extensive experience in commercial transactions, intellectual property, antitrust, labour and employment, and tax-related dispute matters. Yanagisawa focuses on resolving disputes concerning commercial, antitrust, and employment matters. Yoshimi Ohara represents clients in international arbitration matters regarding various global organisations and commissions. Kaori Sugimoto was promoted to the partnership in January 2024. Since publication, Norimitsu Arai departed.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
'The firm has a lot of experience in both commercial and investment arbitrations. The team always considers the best possible way to resolve disputes, showcasing their excellent negotiation skills. Including international arbitration star Yoshimi Ohara, the team has very strong and well-versed international arbitration lawyers.'
‘Yoshimi Ohara is one of the top international arbitration lawyers. She is brilliant and a very sharp and analytical thinker. She always navigates the most stressful situations with calm and determination.
Key clients
- Central Japan Railway Company
- Tokyo Electric Power Company
Work highlights
Advised Tokyo Electric Power Company (TEPCO) in its shareholders' derivative litigation.