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Atsumi & Sakai
Miho Niunoya
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Miho Niunoya

Senior Partner

Main Practices
Project Finance / Corporate Governance / M&A, Corporate Reorganization, and Joint Ventures / Arbitration, Conciliation, and Other ADR (Domestic) / General Compliance / Internal Audits / Internal Reporting Systems / Real Estate Development / Carbon Neutral / Renewable Energy, etc. / Environmental Law / Global Warming Prevention / Business and Human Rights / Infrastructure Projects, Construction and Disputes / PPP, PFI, and Concessions / Regional Industrial Promotion / Area Management / Smart City and Infrastructure DX / India / Singapore / Indonesia and Malaysia
Languages
Japanese / English
Office
Tokyo
TEL
+81-(0)3-5501-1163
Contact

Overview

Publications & Seminars

Awards

Admitted

Japan (1993)

Bar Association

Tokyo Bar Association

Education

Hitotsubashi University (LL.B., 1991)
The Legal Training and Research Institute of the Supreme Court of Japan
Northwestern University School of Law (LL.M., 1997)

Background

Tokyo Aoyama Aoki Law Office (April 1993–June 1996, July 1998–October 2002; December 2000–October 2002 as partner)
Baker & McKenzie Consultants (Jakarta) (July – December 1997)
Baker & McKenzie (Singapore) (January – June 1998)
Assistant Auditor, Meguro City Comprehensive External Auditing Committee(April 2009–March 2011)
Member of Machida City Information Disclosure/Personal Information Protection Examination Committee (April 2009–March 2015)
Member of the Edogawa Ward Public Works Procurement Oversight Committee (December 2010-)
Member of Committee to Study Earnings Structures of Public-Private Partnerships in Academic and Technical Information Distribution (2011)
Expert Panel Member of Incorporated Administrative Agency Evaluation Board (August 2011–May 2015)
Member of Dispute Handling Committee of the Real Estate Transaction Improvement Organization (April 2013–March 2019)
Member of Expert Committee on Evaluation of the Organization for Postal Savings, Postal Life Insurance and Post Office Network (June 2015)
Member of Ministry of Education, Culture, Sports, Science and Technology's Review Committee of PFI Projects (April 2017-March 2025 (April 2023-March 2025 Chief Examiner))
Outside Director of PARK24 CO., LTD. (January 2020-)
Member of Ministry of Internal Affairs and Communications’ “Compliance Working Group, Conference on State of Postal Operations in the Digital Age" (2021)
Member of Ministry of Economy, Trade and Industry's "Committee of the Appropriate Implementation and Management of Renewable Energy Generation Facilities" (April 2022-April 2023)

Expert Member of the Private Finance Initiative Promotion Committee of the Cabinet Office (September 2022-)

Sony Financial Group Inc., Outside Audit & Supervisory Board Member (June 2023-September 2024), Outside Director (October 2024-)

PFI operator selection committee member

Member

Japan Association of the Law of Finance
Tokyo Bar Association 

Publications

  • International Comparative Legal Guide - Environment & Climate Change Laws and Regulations 2025, Japan chapter, Global Legal Group (2025) [Co-author]
  • First Steps in Doing Business in India, Kinzai Institute for Financial Affairs (2024) [Co-author]
  • Panoramic - Energy Disputes 2024, Japan chapter, Law Business Research Ltd. (2024) [Co-author]
  • “Lawyers Guide 2024,”  Lexis Nexis and Business & Law LLC (January 2024) [Interview]
  • International Comparative Legal Guide - Environment & Climate Change Law 2023, Japan chapter, Global Legal Group (2023) [Co-author]
  • Getting the Deal Through - Energy Disputes 2023, Japan chapter, Law Business Research Ltd. (2023) [Co-author]
  • Contracts and Practice of Overseas Energy Projects, CHUOKEIZAI-SHA INC. (2019) [Co-author]
  • Chambers Global Practice Guides - Project Finance 2019, Japan Chapter, Chambers and Partners (2018) [Co-author]
  • Getting the Deal Through - Public-Private Partnerships 2019, Japan Chapter, Law Business Research Ltd. (2018) [Co-author]
  • Guide to PPP/PFI Practices Covering Concessions, Conventional Type and New Methods, CHUOKEIZAI-SHA, INC. (2018) [Co-author]
  • Getting the Deal Through - Construction 2019, Japan Chapter, Law Business Research Ltd. (2018) [Co-author]
  • Getting the Deal Through - Public-Private Partnerships 2018, Japan Chapter, Law Business Research Ltd. (2017) [Co-author]
  • Getting the Deal Through - Construction 2018, Japan Chapter, Law Business Research Ltd. (2017) [Co-author]
  • Getting the Deal Through - Public-Private Partnerships 2017, Japan Chapter, Law Business Research Ltd. (2016) [Co-author]
  • Getting the Deal Through - Construction 2017, Japan Chapter, Law Business Research Ltd. (2016) [Co-author]
  • “Consumer Protection Act in Indonesia” Monthly Indonesia, Japan Indonesia Association, Inc. (April 2014)
  • “Feature on Indonesian Business Law: Don't assume anything and be prepared” The Lawyers (Special issue on Indonesia), ILS Publications, Inc. (October 2013) [Interview]
  • “Rapid growth in the Japanese PFI/PPP and infrastructure sector”, Euromoney Yearbooks- Privatisation & Public Private Partnership Review 2013/14, Euromoney Institutional Investor PLC (2013)
  • Getting the Deal Through- Construction 2013, Japan Chapter, Law Business Research Ltd. (2012）[Co-author]
  • “Expansion of PPP opportunities in Japan”, Euromoney Yearbooks- Privatisation & Public Private Partnership Review 2012/13, Euromoney Institutional Investor PLC (2012) [Co-author]
  • “Current Issues in PFI” NBL, No.932, Shojihomu (2010) [Co-author]
  • “Country Q&A Japan” PLC Cross-border Construction and Projects Handbook 2010/11, Practical Law Company (2010) [Co-author]
  • The Local Autonomy Act: Case Law Q&A, Revised Edition, Gyosei (2009) [Co-author]
  • “Legal Counseling on Lease of Apartments and Office Buildings,” by Seirin Shoin, 2008 [Co-author]
  • “Introduction of Financial Techniques in PFI,” (in Japanese), PFI News, Issue No#79 [Co-author]
  • “Amendments to Company Law,” Asian Legal Business, November 2002
  • “Bankruptcy Law in Indonesia,” (in Japanese), IBL, 1998
  • “Q&A to International Litigation,” (in Japanese), Commercial Law Center, Inc., 1996 [Co-author]

Web Articles

  • “JAPAN: An Introduction to Construction,” Chambers and Partners (2023) [Co-Author]
  • “JAPAN: An Introduction to Projects & Energy: Domestic,” Chambers and Partners (2023) [Co-Author]
  • “Construction and projects in Japan: overview“, Construction and Projects Global Guide 2021/22, Practical Law, Thomson Reuters (2021) [Co-Author]
  • “CMS Expert Guide to Hydrogen,” Japan Chapter, CMS Cameron McKenna Nabarro Olswang LLP (September 2020) [Co-Author]
  • “Construction and projects in Japan: overview,” Construction and Projects Global Guide 2020/21, Practical Law, Thomson Reuters (2020) [Co-Author]
  • “Construction and projects in Japan: overview,” Construction and Projects Global Guide 2018/19, Practical Law, Thomson Reuters (2019) [Co-Author]
  • “Construction and projects in Japan: overview,” Construction and Projects Global Guide 2017/18, Practical Law, Thomson Reuters (2018) [Co-Author]
  • “Construction and projects in Japan: overview,” Construction and Projects Global Guide 2016/17, Practical Law, Thomson Reuters (2017) [Co-Author]
  • “Recent Change of Regulations and Practice in Construction and Energy in Japan“, LawyerIssue (2016)
  • “Construction and projects in Japan: overview,” Construction and Projects Global Guide 2015/16, Practical Law, Thomson Reuters (2016) [Co-Author]
  • “Companies Liable for Drug Trial Damages”, The Japan Times Online (October, 2012) [Contribution]
  • “Retirees can be rehired, but often under worse conditions”, The Japan Times Online (October, 2012) [Contribution]

Newsletters

Seminars

  • “India Legal and Tax Seminar: First Steps in Doing Business in India,” hosted by Atsumi & Sakai and supported by Japan Institute for Overseas Investment (JOI) and Kinzai Institute for Financial Affairs, October 30, 2024
  • “Omnibus Law and Foreign Investment in the Republic of Indonesia and Renewable Energy: Current Status and Prospects,” hosted by Atsumi & Sakai, Makarim & Taira S. Counsellors at Law and Japan Institute for Overseas Investment (JOI), September 15, 2022
  • “Overseas Public Private Partnerships in Brief,” December 11, 2020
  • “Trends and Key Points on Infrastructure and Energy Projects Abroad – Upon Publishing of the Book “Contracts and Practice of Overseas Energy Projects”,” hosted by Atsumi & Sakai, supported by Japan Institute for Overseas Investment (JOI), November 20, 2019
  • “MAKE IN INDIA - Round Table Discussion,” organized by Invest India, supported by LS-Partners Co., Ltd. and Atsumi & Sakai, October 30, 2018
  • Moderator at the panel session entitled “Project Finance Trends And Opportunities in 2018/2019,” at ALB Japan Project Finance Forum 2018, hosted by Asian Legal Business, October 23, 2018
  • “Indian Infrastructure Sector - Opportunities, Challenges & Risks,” hosted by Atsumi & Sakai and Link Legal India Law Services, July 5, 2018
  • “Direct Agreements and Basic Agreements,” December 7, 2007, hosted by the Japan PFI Association
  • “Problems Arising from the Introduction of Securitization Techniques in PFI Business,” Dec. 13, 2006, hosted by Japan Knowledge Center
  • “Bankruptcy Law in Singapore, Indonesia,” 1998, organized in Singapore
  • “Practice of Acquisitions,” 2002, organized by the Graduates School of Chuo University