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Atsumi & Sakai

One of the leading Japanese law firms. Award-winning finance and securitization practice. More than 100 lawyers in Tokyo.

Japanese lawyers are an integral part of our team, contributing comprehensive knowledge of the Japanese legal system.

渥美博夫 渥美坂井法律事務所 設立パートナー

  Hiroo Atsumi

Founding Partner of Atsumi & Sakai

坂井豊 渥美坂井法律事務所 シニアパートナー

Yutaka Sakai

Senior Partner of Atsumi & Sakai

外山照久 渥美坂井法律事務所 パートナー

Teruhisa Toyama

Senior Partner of Atsumi & Sakai

野崎竜一 渥美坂井法律事務所 パートナー

Ryuichi Nozaki

Senior Partner of Atsumi & Sakai

Hiroo Atsumi

 Founding Partner of Atsumi & Sakai

Has been recognized over a number of years by legal and financial commentators as one of Japan’s leading finance lawyers. Extensive experience in banking, capital markets and structured/asset finance; has represented most major Japanese financial institutions & many global investment banks on high value, complex banking & finance transactions. Speaks Japanese and English.

Senior Partner of Atsumi & Sakai

Yutaka Sakai

Practices in the fields of security-zation, project finance, ship finance, aircraft leasing, syndicated loans, and environmental law. Regularly recognized as one of Tokyo’s leading banking and finance lawyers, and is frequent speaker at seminars on renewable energy, structured finance and other financial topics. Speaks Japanese and English.

Teruhisa Toyama

Partner of Atsumi & Sakai

Partner at Atsumi & Sakai practicing in Securities Litigation, Corporate Disclosure Policies, Tax Law, General Corporate Law, Renewable Energy, Funds, Risk Management, Compliance, International Trade and Commerce law. Certified Public Accountant with years of experience at leading international accounting firm and management consultancy. Admitted to the Japanese Bar in 2013. He speaks Japanese and English.

Ryuichi Nozaki

Partner of Atsumi & Sakai

Partner at Atsumi & Sakai, admitted to the bar in 2000. He headed the A&S London office from 2015 until 2018. He practices in general corporate, M&A, finance, funds and data protection law. He was awarded in the division of Capital Markets Law by The Best Lawyers in Japan 2020. He was also highly regarded in Banking and Capital Markets by the IFLR 1000 Financial and Corporate 2019.

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