Shigeki Okatani

Practice Areas

Energy and infrastructure, renewable energy, energy transition, hydrogen and low-carbon fuels, public–private partnership, construction and project finance

Career

Admitted in Japan and joined Mori Hamada & Matsumoto in 2003, seconded to the Japanese Ministry of Economy, Trade and Industry (METI) in 2005-06, seconded to Clayton Utz, Brisbane, Australia in 2009-10, admitted to the New York bar in 2011, became Partner of Mori Hamada & Matsumoto in January 2016.

Professional Memberships

Daini-Tokyo Bar Association, New York State Bar Association

Publications

“Lexology Panoramic – Public-Private Partnerships 2025 - Japan Chapter” (Law Business Research, 2024, co-author)

“Chambers Global Practice Guide Renewable Energy 2024 - Japan Chapter”（Chambers, 2024, co-author）

"Chambers Global Practice Guide Power Generation, Transmission & Distribution 2024 - Trends and Developments” (Chambers & Partners, 2024, co-author);

"Legal Issues and Corporate Governance on Sustainability” (Economic Legal Research Institute, 2023, co-author)

"Practical Guide to Contracts for Power Plant Projects [2nd ed.]” (Shojihomu Co., Ltd., 2023, co-editor and author)

"Comprehensive Analysis of M&A Laws of Japan, 2nd edition” (Yuhikaku Publishing Co., Ltd., 2022, co-author in charge of the “Energy Sector” chapter)

Personal

Graduated from Tokyo University (LL.B, 2002). Attended Legal Research & Training Institute, Japan in 2002-03. Graduated from the University of Virginia School of Law (LL.M, 2009).

Languages Spoken

Japanese (native) and English (fluent).