Yuki Mabuchi

Attorney at law in Japan

• Professional Background
  • 2006
    Graduated from the School of Health and Physical Education, University of Tsukuba
  • 2008
    Completed the Master’s Program in Sports Sciences, Graduate School of Comprehensive Human Sciences, University of Tsukuba
  • 2008
    Joined a Tokyo-based law firm
  • 2008
    Passed the JFA Certified Player Agent Examination
  • 2015
    Founded Imagent Inc.
  • 2016
    Completed the Legal Training Program, Graduate School of Law, Seikei University
  • 2019
    Passed the National Bar Examination
  • 2020
    Registered as an attorney (Dai-ni Tokyo Bar Association)
  • 2020
    Joined a Tokyo-based law firm
  • 2021
    Established Imagent Law Office
  • 2023
    Obtained FIFA Football Agent (FIFA-licensed)
  • 2025
    Joined Meikyo Law Office (as Attorney-at-Law)
• Professional Activities / Affiliations
  ・ Member, Japan Sports Law Association (since 2006)
  ・ Chair, Research Committee on Sports Contracts, Japan Sports Law Association (2023-2025)
  ・ Board Member, Japan Sports Law Association (since 2026)
  ・ Part-time Lecturer, Heisei International University, Department of Law, Sports Welfare Policy Course (2010–2011 “Sports and Law”)
  ・ Part-time Lecturer, Chuo University Faculty of Law (2012 “Health and Sports Science B – Sports Law”)
  ・ Committee Member, Compliance Committee, Japan Deaf Badminton Association (since 2021)
  ・ Committee Member, Investigation Committee, Japan Para Table Tennis Association (2021–2022)
  ・ FIFA Executive Programme in Football Agency, 1st Edition (2022–2023)
  ・ Committee Member, National Team Staff Selection Committee, Japan Para Canoe Federation (since 2025)
  ・ Arbitrator / Mediator / Advisor Candidate, Japan Sports Arbitration Agency (since 2025)
• Publications / Academic Papers
  ■ Books
  ・ “Sports Betting: Law and Policy”, Chapter 29, Sports Betting and the Law in Japan (Co-author)
  　(published by T. M. C. Asser Press)
  ・ “THE FIFA REGULATIONS ON WORKING WITH INTERMEDIARIES IMPLEMENTATION AT NATIONAL LEVEL II EDITION”,
  　THE IMPLEMENTATION OF FIFA REGULATIONS – COUNTRY REPORTS; JAPAN, SECTION II (Co-author)
  　(published by International Law and Policy Centre)
  ・ Sports Policy Studies, edited by Kenji Saito et al.,
  　Part II (Practice), Chapter 9, Section 5:
  　“Policies on Information and Intellectual Property in the Sports Industry” (Co-author, Seibundo Publishing)
  
  ■ Papers
  ・ “Research on FIFA Players’ Agents” (Japan Sports Law Association Annual Report, No. 15, 2008)
  ・ “Sports Betting and the Law in Japan” (The International Sports Law Journal, 2009/1-2, Co-author)
  ・ “Regulation of Agents in Professional Sports – Regulatory Principles and Implications for Asian Countries”
  　(Japan Sports Law Association Annual Report, No. 17, 2010)
• Lectures / Presentations
  2007
  ・ Japan Sports Law Association 15th Annual Conference “Research on FIFA Players’ Agents”
  
  2008
  ・ Chuo University Faculty of Law “Health and Sports Science II (Sports Law) – Case Studies on Football Disputes”
  
  2009
  ・ Asian Sports Law Association International Conference / Japan Sports Law Association 17th Annual Conference
  　“Regulations on Agents in Professional Sports – Regulatory Principles and Implications for Asia”
  ・ Japan Sports Law Association, 9th Research Committee on Sports Contracts
  　“International Trends in Liquidated Damages – Through the Webster and Matuzalem Cases”
  ・ Chuo University Faculty of Law “Health and Sports Science II (Sports Law) – Sports Business and the Agent System”
  
  2010
  ・ International Sports Law Association 16th Annual Conference
  　“The Present Situation and Issues Concerning Sports Agents in Japan”
  ・ Chuo University Faculty of Law “Health and Sports Science II (Sports Law) – Sports Business and Agents”
  ・ Matsumoto University, Faculty of Human Health Science
  　“Sports and Law – The Work of Football Agents”
  ・ Heisei International University
  　“Sports and Law” (Sports Welfare Policy Course)
  
  2011
  ・ Chuo University Faculty of Law “Health and Sports Science II (Sports Law) – The Work of Football Agents”
  ・ Sanno University, Faculty of Information Management
  　“Practical Sports Business Course – Sports Agents”
  ・ Matsumoto University “Sports and Law – The Work of Football Agents”
  ・ Heisei International University “Sports and Law”
  
  2012
  ・ Chuo University Faculty of Law “Health and Sports Science B (Sports Law) –
  　Professional Sports II: Issues Surrounding Football, Sports Agents, Sports Dispute Resolution,
  　and Intellectual Property Issues in Sports”
  
  2015
  ・ Sanno University “Practical Sports Business Course – Player Agents”
  
  2016
  ・ J.League Human Capital Program “The Work of Intermediaries”
  
  2019
  ・ Hannan University “Special Lecture / Sports Organization Theory –
  　The Work of Player Agents and Athlete Management”
  
  2020
  ・ Keio University Law School “Sports Law – Legal Issues in Professional Sports”
  ・ Hannan University “Special Lecture / Sports Organization Theory – Player Agents and Athlete Management”
  ・ World Player Project Business Lecture
  　“Sports Business from the Perspective of Agents”
  
  2021
  ・ Keio University Law School “Sports Law – Professional Sports Practice”
  ・ Hannan University “Sports Organization Theory – Player Agents and Athlete Management”
  
  2022
  ・ Osaka Bar Association, Sports and Entertainment Law Study Group
  　“The Appeal of Lawyers Working at the Forefront of Sports Law”
  
  2023
  ・ Chukyo University “Sports Law – The Role of Sports Agents”
  ・ Sanno University “Practical Sports Business Course – Sports Agents”
  ・ Japan Sports Law Association 31st Annual Conference
  　“Research on FIFA’s Football Agent Regulations and Their Introduction”
  
  2024
  ・ Keio University Law School “Sports Law – Sports Agents”
  
  2025
  ・ FIFA Executive Programme in Football Agency, 2nd Edition, 3rd Module (Paris)
  　“Transfers in Asia”
  ・ Japan Sports Law Association 33rd Annual Conference
  　“Rules Governing the International Transfer of Minors in Football”
  
  2026
  ・ Keio University Law School “Sports Law / Football Lawyer”