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Shigeki Okatani
Shigeki Okatani

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Introduction Practices Cases Seminars Related Topics Major Awards Profile
Shigeki Okatani Shigeki Okatani
Shigeki Okatani
Shigeki Okatani
Partner
Tokyo
Japanese / English
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Introduction Practices Cases Seminars Related Topics Major Awards Profile
Introduction
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.
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Major Awards
  • • Chambers Asia-Pacific 2025 / Leading Individual (Projects & Energy)
    • The Legal 500 Asia Pacific 2024 / Leading individuals (Projects and energy)
    • IFLR1000 2024 / Highly regarded (Project development, Project finance)
    • asialaw 2024 / Notable practitioner (Energy, Banking & Finance)
    • Best Lawyers in Japan (2025 edition) (Energy Law, Project Finance and Development Practice, Banking and Finance Law, Structured Finance Law)
Profile
Background
The University of Tokyo (LL.B., 2002)
　
Seconded 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)
　
Qualifications & Affiliations
admitted in Japan, 2003; New York, 2011
membership: Daini-Tokyo Bar Association, New York State Bar Association
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