Koji Toshima


Koji Toshima

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Practice Areas

Koji Toshima:Awards

Top rankings received from Best Lawyers in the Ninth edition of "The Best Lawyers in Japan"
Firm's lawyers receive the 3rd Shinnippon-Hoki Inc. Foundation Incentive Award

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Koji Toshima:News

Public Service
Koji Toshima became the advisor for Japan Roof Drone Association
Public Service
Koji Toshima, Hiromi Hayashi became the advisor of Unmanned Aircraft System Survey Council
Firm News
Firm Elects 9 Associates to Partnership

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Koji Toshima:Legal Topics

Koji Toshima: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
Amendments of the Civil Aeronautics Act to Introduce the New Rules Restricting UAVs DownloadPDF

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Koji Toshima:Seminars

Nov. 16, 2010MHM Seminars
MHM Seminar

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Koji Toshima:Publications

Magazine Article
"Robotics Legal Consultation (43): Amendment of the Road Traffic Act in Response to Autonomous Vehicles"
Magazine Article
"Introducing requirements for the operation of drones beyond the visual line of sight without assistants"
Magazine Article
"Robotics Legal Consultation (39): How should we collect and use data from cars with the advances in auto technology?"

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Koji Toshima:Research Reports

Koji Toshima:Other


  • The University of Tokyo (LL.B.,1998)
  • Columbia University School of Law (LL.M., 2005)
  • with Sullivan & Cromwell (2005-2006)
  • seconded to Tokyo Stock Exchange, Inc., Listing Department (2006-2007)

Major Activities

  • Member of International Bar Association (2009-)
  • Advisor of Unmanned Aircraft System Survey Council (2017-)
  • Advisor for Japan Roof Drone Association (2018-)

Bar Admissions

admitted in Japan, 2000; New York, 2006
Daini Tokyo Bar Association