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Hideaki Tada

    Department of Law　Professor
    Course of Private Law　Professor
Last Updated :2025/10/22

Researcher Information

Degree

  • Master of Laws(LL.M)（Keio University）
  • Master of Laws(LL.M)（Katholieke Universitet Leuven(Belgium)）
  • Master of Laws(LL.M)（University of Cambridge (UK)）

Research funding number

  • 10408958

J-Global ID

Research Interests

  • EU Competition Law   Japanese Antimonopoly Law   Competition Law   EU Law   

Research Areas

  • Humanities & social sciences / New fields in law
  • Humanities & social sciences / Social law

Academic & Professional Experience

  • 2024/04 - Today  Vice President & Director of Education Affairs Office
  • 2015/04 - Today  Toyo UniversityFaculty of LawProfessor
  • 2020/04 - 2024/03  Toyo UniversityFaculty of LawDean
  • 2008/04  Toyo UniversityFaculty of LawAssociate Professor
  • 2005/04  Toyo UniversityFaculty of LawLecturer
  • 2003/04  Mission of Japan to the European UnionSenior Researcher

Education

  •        - 2003  Keio University  Graduate School of Law  Doctoral Course
  •        - 2001  University of Cambridge  Master of Law  European Law Specialisation
  •        - 2000  Katholieke Universiteit Leuven  Master of Law  European Law Specialisation
  •        - 1998  Keio University  Graduate School of Law  Master Course
  •        - 1996  Keio University  Faculty of Law  法律学科

Association Memberships

  • Japan Economic Law Association   European Union Studies Association - Japan (EUSA-Japan)   Japan Association of International Economic Law   

Published Papers

Books etc

  • An Introductory Guide to Studying Law, 5th ed.
    Hideaki TADA (Joint work)Seibundo 2025/03 9784792307417
  • Encyclopedia of European Union
    Hideaki TADA (Joint workEU競争法 384-385頁)丸善出版 2024/12 9784621310250
  • The Substantive Law of the EU
    Hideaki TADA (Joint workChapter 6 Competition Law (1), Chapter 7 Competition Law (2))Shinzansha 2022/09 9784797286311
  • Hosei University Institute of Modern Law and Politics Series 49, Law and Policy on Public Regulations
    Hideaki TADA (Joint workChapter 2)Hosei University Institute of Modern Law and Politics 2022/03 9784588630491
  • Hideaki TADA (Joint work)Seibundo 2020/09 9784792306748 xv, 254p
  • Leading Cases on the Law of the European Union, 3rd ed.
    Hideaki TADA (Joint work)Nihon Hyoron Sya 2019/03 9784535523463
  • Introduction to Studying Law, 3rd ed.
    Hideaki TADA (Joint work)Seibundo 2017/03 9784792306113
  • Introduction to Studying Law, 2nd ed.
    Hideaki TADA (Joint work)Seibundo 2012/03 9784792305345
  • Introduction to Legal Studies with Various Topics
    TADA Hideaki (Joint work)Seibundo 2010/06
  • Leading Cases on the Law of the European Union, 2nd ed.
    Hideaki TADA (Joint work)Nihon Hyoron Sya 2010/03 9784535517455
  • Encyclopedia of the European Union
    Hideaki TADA (Joint work)Taisyukan Syoten 2009/09 9784469012804
  • Introduction to Studying Law
    Hideaki TADA (Joint work)Seibundo, Tokyo 2008/04 9784792304393
  • Leading Cases on the Law of the European Union
    Hideaki TADA (Joint work)Nihon Hyoron Sya, Tokyo 2007/01 9784535515505

Conference Activities & Talks

  • Protection of Digital Platform Workers-- From the Perspective of Competition Law--  [Invited]
    Hideaki TADA
    The 88th Annual Conference of the Japan Association of Comparative Law  2024/06  Nominated symposium
  • Sustainable Development Goals (SDGs) and Competition Law --with Reference to EU Competition Law  [Invited]
    Hideaki TADA
    The 32nd Annual Conference of the Japan Association of International Economic Law  Oral presentation
  • Hideaki TADA
    The 2010 Annual Conference of the Japan Economic Law Association  2010/10
  • Decentralised Enforcement of EC Competition Law: At the Time of the Fifth Enlargement of the European Union  [Not invited]
    Hideaki TADA
    The 27th Annual Conference of the European Union Studies Association - Japan (EUSA-Japan)  2006/11

MISC

  • Yuko Yamane, EU Law in a Historical Perspective
    多田 英明  Review of European Law  (16)  129  -136  2025/01  [Invited]
  • Symposium Discussion 2023: Theoretical Issues in Japanese Merger Regulation
    Hideaki TADA  Annual of the Japan Association of Economic Law 2024  (45)  159  -171  2024/09
  • Saturday Features, Regulation on GAFA
    Hideaki TADA  Komei Shimbun  4  -4  2021/01  [Invited]
  • Hideaki TADA  Annual of the Japan Association of Economic Law 2015  (36)  144  -157  2015/09

Research Grants & Projects

  • Japan Society for the Promotion of Science：Grant-in-Aid for Scientific Research
    Date (from‐to) : 2015 -2018 
    Author : Daitaro KISHII
     
    本研究は、ネットワーク産業における「規制改革」について、電力及び情報通信分野を中心に、自由化と競争の進展に伴う制度設計のあり方を検討し、これに関する政策提言を行うことを目的とするものである。研究の最終年度にあたる本年度は、前年度末(2017年3月)に実施した研究テーマの概要報告及び意見交換に基づき、各人が研究テーマのさらなる絞り込みと具体化を進めていたが、研究代表者の岸井教授の急逝に伴い、やむを得ず補助事業打ち切りとなった。しかしながら、ここまでの研究成果を基盤に各人がさらに研究を深め、当初の予定どおり2019年度中に研究成果を刊行できればと考えている。 ①制度改革の進捗状況に関する行政・企業の担当者からのヒアリングを今年度も実施した。6/17「独占禁止法における企業結合規制の最近の動向」品川武(公正取引委員会)。また、8/26「ビッグデーターと独禁法――『データと競争政策に関する研究会』報告書について」木尾修文(元公正取引委員会)も予定されていたが、岸井教授の急逝に伴い開催を見合わせることとなった。 ②各メンバーが、それぞれの研究テーマについて、引き続き国内外の文献・資料を収集しフォローする作業を進めるとともに、研究の進行状況について、上記の研究会の前後に、メンバー間でディスカッションと情報交換を行った。
  • Japan Society for the Promotion of Science：Grant-in-Aid for Scientific Research
    Date (from‐to) : 2007 -2009 
    Author : FUNADA Masayuki; SHOUDA Akira; ISHIOKA Katsutoshi; IWAMOTO Satoshi; EGUCHI Kiminori; OKADA Toshihiro; KANAI Takatsugu; KOJYOU Makoto; SATOU Gorou; SHIBATA Junko; TAKAHASHI Iwakazu; TSUCHIDA Kazuhiro; TOUJYOU Yoshizumi; TORIYAMA Kyouichi; MORIDAIRA Akihiko; YAMABE Toshifumi; WATANABE Arisa; KOUTANI Kiyofumi; HAYASHI Syuuya; OOTSUKI Fumitoshi; WATANABE Akinari; TADA Hideaki
     
    The purposes of this research were to study the status quo of the market which is dominated by a few powerful industries and also to study how the legal control by Business Act and Antitrust Act should be applied. The conclusions of this research were as follows. (1) Individual Business Act and Antitrust Act can be applied to the same enterprise. (2) If action control is not enough, then structural control should be introduced. (3) Control against the abuse of the market power should be legalized.
  • Japanese Bankers Association：Research Fund
    Date (from‐to) : 2009 
    Author : 多田 英明

Teaching Experience

  • Introduction to Japanese Antimonopoly Law (In English)
    Xiamen Unuiversity, China and Universié de Liège, Belgium
  • International Economic Law
    Toyo University
  • EU Law
    Toyo University
  • Economic Law
    Toyo University, Ochanomizu University, Senshu University, Chiba University of Commerce

Committee Membership

  • 2018/04 - Today   Japan Fair Trade Commission   Competition Policy Evaluation Committee
  • 2024/07 -2024/12   JFTC・SMEA   Study Group on Business Transactions
  • 2019/03 -2019/04   METI・JFTC・MIC   Working Group on Improvement of Transparency and Fairness, Study Group on Improvement of Trading Environment surrounding Digital Platforms
  • 2018/07 -2019/04   METI・JFTC・MIC   Study Group on Improvement of Trading Environment regarding Digital Platforms
  • 2012/11 -2014/11   MLIT   Competition Policy Subcommittee on Public Aid attached to Transport Policy Council Aviation Subcommittee

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