Awards
Shigeki Minami’s practice focuses on various forms of mergers and acquisitions.
Mr. Minami also deals with general tax matters, employing his wide range of related knowledge and abundant experience. He regularly represents major Japanese and foreign companies in tax audits, tax disputes and competent authority procedures (including APA and MAP) with the Japanese and foreign tax authorities, and he has litigated tax cases in the National Tax Tribunals and the Japanese courts.
Mr. Minami has successfully represented large corporate taxpayers, obtaining significant judgments in their favor. These include IBM in a case involving anti-avoidance rules; Honda Motor Co., Ltd., Takeda Pharmaceutical Company Limited, and NGK Insulators, Ltd. in transfer pricing cases; and an individual in a case regarding taxation on a structured note. Mr. Minami serves as the Chair of the Asia-Pacific Regional Committee of the International Fiscal Association (IFA), and as a member of the Practice Council of the International Tax Program, New York University School of Law.
Practice Areas
Education/Professional Experience
- 1994
- The University of Tokyo (LL.B.)
- 1997
- Admitted to bar in Japan
- 2002
- New York University School of Law (LL.M. in Corporate Law)
- 2003
- New York University School of Law (LL.M. in Tax Law)
- 2003 - 2004
- Masuda & Ejiri, New York
- 2005 - 2021
- Visiting Professor in tax law, LEC Graduate School of Accountancy
- 2006, 2008 and 2009
- Adjunct Lecturer in civil law seminar, The University of Tokyo
- 2007 -
- Nagashima Ohno & Tsunematsu
- 2009 - present
- Partner, Nagashima Ohno & Tsunematsu
- 2010 - present
- Adjunct Lecturer in law and economics, The University of Tokyo
- 2016 - present
- Visiting Professor in Tax Law, Graduate School of Law, Kobe University
- 2017 - present
- Adjunct Lecturer in Tax Law, Sophia Law School
- 2019 - present
- Member of the Future Direction of Corporate Taxation, Research Institute of Economy, Trade and Industry (RIETI)
- 2021 - present
- Board member, International Fiscal Association Japan Branch
- 2022 - present
- Project member of the Study Group for the Implementation of Domestic Legislation regarding the Global Minimum Tax under Pillar Two, which was established by the Ministry of Economy, Trade and Industry
Awards
Seminars
-
October 19, 2026 (Mon) 11:15 - 12:45Seminar A: Transfer Pricing of Intangibles and Royalties
- Shigeki Minami (Panelist)
Melbourne Convention and Exhibition Centre
- Tax
- Tax Advice and Planning
- Tax Controversy
-
May 11, 2026 (Mon)9th IFA APAC Regional Conference 2026, Tokyo
- Shigeki Minami (Panelist)
- Yushi Hegawa (Moderator)
Hotel New Otani (Tokyo)
- Tax
- Tax Advice and Planning
- Dispute Resolution
-
March 6, 2026 (Fri)Trump Tariffs and Taxes: The Collapse of the Postwar World Economic Order and the Use of Tariffs as a Replacement for the Value-Added Tax (VAT)
- Shigeki Minami
New York University
- Tax
- Tax Advice and Planning
- Tax Controversy
-
May 22, 2025 (Thu) 15:00 - 18:00NO&T Europe Week – Day3: Compliance, Digital and Tax in Europe
- Kiyoshi Honda
- Shigeki Minami
- Keiji Tonomura
Nagashima Ohno & Tsunematsu Tokyo Office
- Dispute Resolution
- Disputes in Foreign Jurisdictions
Publications
-
Articles
Chambers Global Practice Guides Tax Controversy 2025 Japan – Trends & Developments
(May 2025)
Shigeki Minami
- Tax
- Tax Advice and Planning
- Tax Controversy
-
Articles
Amount B: To Be or Not to Be
(May 2025)
Shigeki Minami (Panel Discussion)
- Tax
- Tax Advice and Planning
- Tax Controversy
-
Articles
Chambers Global Practice Guides Tax Controversy 2024 Japan – Trends & Developments
(May 2024)
Shigeki Minami
- Tax
- Tax Advice and Planning
-
Articles
The International Comparative Legal Guide to: Corporate Tax 2023 – Chapter 11 Japan
(December 2022)
Shigeki Minami
- Tax
- Tax Advice and Planning
- Tax Controversy
Topics
-
Announcements
Shigeki Minami appointed as a project member of the Study Group for the Implementation of Domestic Legislation regarding the Global Minimum Tax under Pillar Two, which was established by the Ministry of Economy, Trade and Industry.
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New Additions
New lawyers join Nagashima Ohno & Tsunematsu