LAWYER PROFILE

Shigeki Okatani

Asia-Pacific 2026

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Mori Hamada
 Mori Hamada

Ranked in 1 practice area

Projects & Energy: Domestic

Japan

7 years ranked

Contributions and articles

1 Global Practice Guides

About

Provided by Mori Hamada

Asia-Pacific

Practice Areas

Shigeki Okatani leads the firm’s energy and infrastructure practice. He has extensive experience representing developers, investors and lenders in renewable energy projects, battery storage projects and hydrogen projects. His practice encompasses project development, project finance, transactions involving electricity, gas, environmental attributes, and carbon credits, as well as mergers and acquisitions (M&A), and dispute resolution. He also advises clients in the electricity and gas, chemical, semiconductor, and semiconductor equipment industries.

Career

Background

The University of Tokyo (LL.B., 2002); assigned to the Ministry of Economy, Trade and Industry, Government of Japan (2005-2006); University of Virginia School of Law (LL.M., 2009); Clayton Utz, Brisbane, Australia (2009-2010); Seconded to IB Products Group, Mizuho Securities Co., Ltd. (2010-2011)

Professional Memberships

admitted in Japan, 2003; New York, 2011

Chambers Review

Provided by Chambers

Chambers Asia & Pacific

Projects & Energy: Domestic - Japan

Band 2
Individual Editorial
Shigeki Okatani enjoys a solid reputation in Japan's legal market for his work on solar and wind power projects, acting for a range of notable clients in this area.
Learn more about this teamView ranking table

Strengths

Provided by Chambers

  • With a high level of experience and knowledge of our business area, he has a deep understanding of our purpose and the content of the consultations.

    Projects & Energy: DomesticChambers Asia & Pacific

  • Okatani takes an approach that stays close to the client without being constrained by preconceived notions, while operating within permissible boundaries.

    Projects & Energy: DomesticChambers Asia & Pacific

Ranked Individuals at Mori Hamada (70)

Japan

All Contributions (1)

Provided by Mori Hamada

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