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Atsumi & Sakai
Mayumi Hongo
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Mayumi Hongo

Senior Partner

Main Practices
Carbon Neutral / Renewable Energy, etc. / Petroleum, Natural Gas, Minerals and Other Natural Resources / Infrastructure Projects, Construction and Disputes / PPP, PFI, and Concessions / Corporate Governance / Shareholder Meetings / General Corporate Legal Affairs / WTO, Trade Agreements, and Investment Agreements / Anti-dumping and Trade Remedies / Export Controls, Imports, Customs, and Tariffs / Pharmaceuticals, Cosmetics, and Medical Devices / M&A, Corporate Reorganization, and Joint Ventures / Antitrust and Competition Law Compliance (Domestic / International) / Risk Management / General Compliance / Internal Reporting Systems / Germany / Europe and the EU / Taiwan
Languages
Japanese / English / German
Office
Tokyo
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Overview

Publications & Seminars

Awards

Admitted

Japan (2020)

Bar Association

Dai-Ichi Tokyo Bar Association

Education

Sophia University (LL.B. in International Legal Studies, 1994)
The University of Tokyo, School of Law (J.D.,  2007)
The Legal Training and Research Institute of the Supreme Court of Japan

Background

Ministry of Foreign Affairs (1994-2000)
Mitsubishi Heavy Industries, Ltd.（2008-2017）
neopharma Japan Co., Ltd. (2017-2019)

Outside Director, Daifuku Co., Ltd.(March 2026-)

Public Office

Member of the Assessment Committee for the 2023 Junior High School English Speaking Test, Tokyo Metropolitan Board of Education

Publications

Web Articles

Seminars