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Atsumi & Sakai
Issei Matsuda
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Issei Matsuda

Associate

Main Practices
Fintech / Corporate Governance / General Corporate Legal Affairs / Establishing Companies and Businesses for Startups / Small Business Financing / Crypto-assets / STOs, Stable Coins, and Local Currencies / Music / E-sports / Data Protection, Privacy, and Cybersecurity / Pharmaceuticals, Cosmetics, and Medical Devices / General Civil Litigation / Labor Disputes / Digital Platforms / Open Innovation and Startups
Languages
Japanese / English
Office
Tokyo
Contact

Overview

Publications & Seminars

Awards

Admitted

Japan (2019)

Bar Association

Dai-ichi Tokyo Bar Association

Education

Osaka City University (LL.B., 2014)
Kyoto University (LL.M., 2016)
The Legal Training and Research Institute of the Supreme Court of Japan

Background

Koike Ito Law Office (December 2019-December 2020)

Publications

  • Startup Legal Playbook, Japan Chapter, International Technology Law Association (ITechLaw) (2025) [Co-author]

  • “Legal Issues in XaaS Business in the AI and Data Era: Frameworks and Practical Issues – Part 1: SaaS,”  NBL No.1292 (2025)

  • "Survey Report on Foreign Systems that May Affect the Proper Handling of Specified User Information," Ministry of Internal Affairs and Communications (2024)  [Co-author]

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

  • "Contract Templates for Equity Investment in Startups," Fintech Association of Japan (2023) [as a Study Group Secretariat]

  • "Current Situation and Future Prospects surrounding Startup Support," Horitsu no Hiroba, December 2023, the Gyosei Corporation (2023)[Co-author]

  • “Recommendations for Improvements Regarding the Secured Bond Trust Act,” Study Group on Promoting the Use of Corporate Bonds of the Fintech Association of Japan (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]

  • ”Lawyers Guide 2023,"  Lexis Nexis and Business & Law LLC (January 2023) [Interview]

  • "Points of Caution in Handling Personal Information in Online Medical Care," Journal of Pediatric Medicine, Vol. 54 No. 12 (December 2022) [Co-author]

  • "Legal Issues of Advertising and Marketing Operations of Banks," Weekly Financial Affairs, July 19, 2022 Issue, No. 3456 (2022) [Co-author]
  • Legal Affairs for Entering the Digital Health Business, Chuokeizai-sha Holdings, Inc. (2022) [Co-author]
  • “Study Report on Overseas Stablecoin Use Cases and Analysis of Related Regulations,” Financial Services Agency (2022) [Co-author]

Web Articles

Newsletters

  • “Recommendations on Incident Investigations and Information Sharing Under the Telecommunications Business Act,” Policy Research Institute (August 1, 2022) [Co-author]