Masakazu Kumagai


Masakazu Kumagai

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Contact Information


Practice Areas

Masakazu Kumagai:Awards

Lawyers from Mori Hamada & Matsumoto were included in the 11th edition of The Best Lawyers™ in Japan

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Masakazu Kumagai:News

Firm News
Six new partners and three of counsels
Firm News
17 new lawyers joined Mori Hamada & Matsumoto

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Masakazu Kumagai:Legal Topics

Masakazu Kumagai:Newsletters

Update: Japanese HFT Regulations to Take Effect in April 2018 DownloadPDF
The new High Frequency Trading (HFT) regulations introduced by the amendment to the law DownloadPDF

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Masakazu Kumagai:Publications

Book Article
"Handbook for Capital and Business Alliances"
Book Other
"Trading of Listed Shares [2nd ed.]"
"The Financial Instruments and Exchange Law: Regulations for Takeover Bids and Substantial Shareholding Reporting"

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Masakazu Kumagai:Other


  • The University of Tokyo (LL.B., 2004)
  • Deputy Director of Corporate System Division, Economic and Industrial Policy Bureau of the Ministry of Economy, Trade and Industry (2007-2009)
  • University of Chicago Law School (LL.M., 2011)
  • with Shearman & Sterling LLP, New York (2011-2012)

Bar Admissions

adimtted in Japan, 2005; New York, 2012
Daini Tokyo Bar Association
New York State Bar Association