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Koji Yamamoto

Partner
Koji Yamamoto is always kind enough to point out issues that I have not thought of, and this is a great help to me.
— Chambers Asia-Pacific, Japan Investment Funds 2025
Tokyo
About

Koji Yamamoto has advised clients in the investment funds and investment management area for over 20 years at international law firms in Tokyo. Prior to joining DLA Piper, Koji was Partner in an international law firm and is a part of a group that is recognized as a top investment management practice in Japan by Chambers Asia Pacific.

Koji has significant experience in advising offshore fund managers and financial institutions with respect to a wide range of activities in Japan from capital raising to trading on the Japan exchanges and applications for Japan financial registrations.

Koji has advised numerous top tier fund managers with respect to rules and regulations applicable to capital raising activities in Japan. Scope of such regulatory advice included submission of filings and registrations applicable to Japan offerings with the Financial Services Agency of Japan as well as fund managers regarding the rules and regulations of Japan with respect to Japan exchange trades, including Block Shareholding Reports; Short Selling (including Japan Regulation M), Insider Trading, etc.

 

Areas of FocusCorporateInvestment Management and FundsFinancial Services
Professional QualificationsAttorney-at-law admitted with the Supreme Court of New York

EXPERIENCE

  • Represented numerous top tier hedge fund managers and private equity fund managers with respect to rules and regulations applicable to capital raising activities in Japan. Scope of such regulatory advice included submission of filings and registrations applicable to Japan offerings with the Financial Services Agency of Japan.*
  • Advising fund managers regarding the rules and regulations of Japan with respect to Japan exchange trades, including Block Shareholding Reports; Short Selling (including Japan Regulation M), Insider Trading; Shareholder Proposals, etc.*
  • Assisted clients in registering as financial instruments business operator in Japan (Type 1, Type 2, Investment Manager, and Investment Advisor).

* Denotes experience from a previous firm

 
Languages
  • English
  • Japanese

AWARDS AND RECOGNITION

Leading Individual, Investment Funds, Japan: Registered Foreign Lawyer, Chambers Asia-Pacific, (2021-2025)
Education
  • University of Toronto, Faculty of Law, LL.B.
  • University of Western Ontario, B.A.
  • University of Tokyo, Research Scholarship

Memberships and Affiliations

  • Registered Foreign Lawyer in Japan
  • Daini Tokyo Bar Association, 2013

My latest insights

Publication
Abstract city motion blur_PPT (1)

Summary of the application of the Article 63 Exemption for the offering of Limited...

15 October 2025

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Phone

+81 3 4550 2807
(Work, Tokyo)