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Atsumi & Sakai
Fumiko Oikawa
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Fumiko Oikawa

Senior Partner

Main Practices
Banking / Financial Regulation / Aircraft, Ship, and Asset Finance / Fintech / Trusts / Corporate Governance / General Corporate Legal Affairs / Crowdfunding / STOs, Stable Coins, and Local Currencies / Structured Finance and Securitization / Data Protection, Privacy, and Cybersecurity / Food, Beverages, and Alcohol / Food and Agricultural Regulation and Product Safety / Protection of Rights in Agricultural Products and Foods / WTO, Trade Agreements, and Investment Agreements / Anti-dumping and Trade Remedies / Export Controls, Imports, Customs, and Tariffs / Europe and the EU / North/Latin America
Languages
Japanese / English
Office
Tokyo
Contact

Overview

Publications & Seminars

Awards

Admitted

Japan (2003) and New York (2017)

Bar Association

Dai-ichi Tokyo Bar Association

Education

Gakushuin University (LL.B., 1997)
Gakushuin University (J.D., 2000)
The Legal Training and Research Institute of the Supreme Court of Japan
University of Michigan Law School (LL.M., 2013)

Background

Secondment with the Financial Services Agency (FSA) (December 2004-April 2007)
Mayer Brown LLP (New York) (September 2013-January 2014)

External Corporate Auditor for Aflac Pet Small-amount-and-Short-term Insurance Co., Ltd. (April 2023-March 2025)

Member

Japan Association of the Law of Trust, The Japan Association of International Economic Law

Publications

  • Compendium of Trust Law, 2nd Edition: Trust Regulation Law and Related Laws, Seibunsha (2024) [Co-author]

  • “Report on Research on Currency Law Systems in the US and Europe,” Ministry of Finance (2023) [Co-author]

  • Asset Managers & FinTech Companies Registration Guidebook 3rd Edition,  Tokyo Metropolitan Government (with the cooperation of the Financial Services Agency and the Ministry of Economy, Trade and Industry) (2023)  [Co-author]

  • “Japan: Trends & Developments, ” Chambers Global Practice Guides - Blockchain 2022, Chambers and Partners (2022)  [Co-author]

  • “Study Report on Overseas Stablecoin Use Cases and Analysis of Related Regulations,” Financial Services Agency (2022) [Co-author]

  • 6000 Legal Countermeasures for Financial Institutions Vol.3: Incidental and Ancillary Services, Fintech, Kinzai Institute for Financial Affairs (2022) [Co-author]

  • Getting the Deal Through - Trade & Customs 2021, Japan Chapter, Law Business Research Ltd. (2020) [Co-author]

  • Getting the Deal Through - Trade & Customs 2020, Japan Chapter, Law Business Research Ltd. (2019) [Co-author]

  • "Trust Precedents and Practical Measures: Duty of Equity of Trustees among Beneficiaries of Multiple Trusts and Practical Measures," Trust Forum Vol.10 (2018)

  • Getting the Deal Through - Trade & Customs 2019, Japan Chapter, Law Business Research Ltd. (2018) [Co-author]

  • Getting the Deal Through - Trade & Customs 2018, Japan Chapter, Law Business Research Ltd. (2017) [Co-author]

  • The International Trade Law Review - Second Edition, Japan Chapter, Law Business Research Ltd (2016) [Co-author]

  • Getting the Deal Through - Trade & Customs 2017, Japan Chapter, Law Business Research Ltd. (2016) [Co-author]

  • “Establishment of Geographical Indication Protection System in Japan - Second Part,” KOKUSAI SHOJI HOMU Vol. 43, No. 7, 2015 [Co-author]

  • “Establishment of Geographical Indication Protection System in Japan - First Part,” KOKUSAI SHOJI HOMU Vol. 43, No. 6 (2015) [Co-author]

  • “Commentary on the Trust Law,” by Gyosei, 2008 [Co-author]

  • “Impact of recent revisions,” The IFLR Guide to Japan 2008 [Co-author]

  • “Workbook for the 2nd Tier Exam for Consulting Work concerning Financial Instruments (2008 edition),” Kinzai, 2007 [Co-author]

  • “Workbook for the 3rd Tier Exam for Consulting Work concerning Financial Instruments (2008 edition),” Kinzai (2007) [Co-author]

  • “The Base and Operation of the Amended Trust Law,” Nippon Hyoronsha (2007) [Co-author]

  • “An Outline of the Government Decrees and Cabinet Office Regulations on the Amended Trust Business Law,” Kinyu Homu Jijyo No.1814, Kinzai Institute for Financial Affairs (2007) [Co-author]

  • “The Amended Trust Law and Trust Business Law,” the Gyosei Corporation (2007) [Co-author]

  • “An Outline of the Amended Trust Business Law and its relation to the Amended Trust Law (2),” Kinyu Homu Jijyo No.1800, Kinzai Institute for Financial Affairs (2007) [Co-author]

  • “An Outline of the Amended Trust Business Law and its relation to the Amended Trust Law (1),” Kinyu Homu Jijyo No. 1799, Kinzai Institute for Financial Affairs (2007) [Co-author]

  • “An Outline of the Amended Trust Business Law,” Horitsu no Hiroba, May 2007, the Gyosei Corporation [Co-author]

  • “Japan offers more vehicle options,” The IFLR Guide to Japan (2007) [Co-author]

  • “Introduction of Financial Techniques in PFI,” (in Japanese), PFI News, Issue No#79 [Co-author]

Web Articles

  • The Legal 500: Capital Markets Country Comparative Guide, Japan chapter, Legalease Ltd. (2025) [Co-author]
  • "Importing Goods: Overview (Japan) (revised version)," Practical Law, Thomson Reuters (May, 2025) [Co-author]
  • "Export Control Regime: Overview (Japan) (revised version)," Practical Law, Thomson Reuters (May, 2025) [Co-author]
  • "Importing Goods into Japan: Overview (revised version)," Practical Law, Thomson Reuters (October, 2024) [Co-author]
  • "Trade Remedies: Overview (Japan) (revised version)," Practical Law, Thomson Reuters (October, 2024) [Co-author]
  • "Export Control Regime: Overview (Japan)," Practical Law, Thomson Reuters (December, 2023) [Co-author]
  • "Importing Goods into Japan: Overview," Practical Law, Thomson Reuters (December, 2022) [Co-author]
  • "Trade Remedies: Overview (Japan)," Practical Law, Thomson Reuters (September, 2022) [Co-author]
  • "An Introduction to FinTech Legal (Chambers PA: FinTech 2022 Overview Japan)," Chambers FinTech 2022 (January, 2022) [Co-author]
  • "IBA Doing Business in Asia Pacific, Chapter 10: Financing," International Bar Association (2020) [Co-author]

Newsletters

Seminars

  • “Responding to Increased Sophistication of Compliance Risk Management at Regional Banks” at the Banking Legal Affairs Research Seminar, hosted by Regional Banks Association of Japan, March 10, 2023
  • "Significant Impact of Recent Amendments to the Civil Code on Loan Practice," hosted by Division 2 of the Japan In-House Lawyers Association, November 27, 2017
  • Panelist at a panel discussion on "EU Law on Geographical Indication and Japanese Companies" at a Law Panel Session entitled “EU Law for Japanese Companies and Lawyers,” hosted by the European Union Studies Association-Japan, November 22, 2015 (held at Kansai University)
  • "Geographical Indication Protection System," hosted by Japan Foods & Biotechnology Intellectual Property Rights Center (JAFBIC),  August 25, 2015
  • “Structured Covered Bonds—A Reconsideration; New Possibilities—,” hosted by the Kinzai, May 11, 2009
  • “The Legal System concerning Self-Declaratory Trusts and its Use,” hosted by Stock Research Ltd, October 7, 2008
  • “Basics of Self-Declaratory Trusts and Their Use in Financial Transactions,” hosted by Institute for Financial Affairs, August 1, 2008
  • “Basics of Self-Declaratory Trusts and Their Use in Financial Transactions,” hosted by Institute for Financial Affairs, February 20, 2008
  • “A Fundamental Understanding of Declaratory Trusts and Their use in Financial Transactions,” hosted by Institute for Financial Affairs, February 20, 2008
  • “The Trend of Government and Ministerial Decrees on the Amended Trust Law and Trust Business Law, and the Impacts on Securitization Businesses,” hosted by Stock Research, September 19, 2007
  • “An Outline of the Amended Trust Law and Trust Business Law, and the Impacts on the Finacial Transactions,” hosted by the Securitization Forum of Japan, September 18, 2007
  • “An Outline of the Amended Trust Law and Trust Business Law, and the Impacts on the Finacial Transactions,”, hosted by the Institute for Financial Affairs, June 20, 2007