Hiroyuki Tanaka


Hiroyuki Tanaka

Print profile


His practice areas are data protection, IP, and IT. He has extensive experience advising foreign clients about Japanese data protection law. He is also familiar with global data protection regulations. He has extensive experience with various IP and technology disputes. His practice area includes legal issues relating to AI (especially generative AI) and the protection of cybernetic avatars.

Contact Information


Practice Areas

Hiroyuki Tanaka:Awards

MHM lawyers selected in "Who’s Who Legal: Japan 2023"
Top rankings received from asialaw 2023-24
The Best Lawyers in Japan™ and Best Lawyers: Ones to Watch in Japan™ (2024 edition)

View All

Hiroyuki Tanaka:News

Public Service
Hiroyuki Tanaka becomes a Chairperson of Generative AI Section / Member of Privacy Section, AI and Law Society
Public Service
Hiroyuki Tanaka became a member of the Cyber-Physical Sustainability Center of Keio University Global Research Institute
Public Service
Hiroyuki Tanaka became an adjunct project professor at Keio University Graduate School of Law

View All

Hiroyuki Tanaka:Seminars

Sep. 9, 2021External Seminars
"The Japan DPO Association's 7th Seminar of the Study Group "How to Be Compliant With Advertising and Ad Tech (Cookie-Related) Regulations - Focusing on the Regulation of Personal Related Information under the Amended Act on Protection of Personal Information""
May 26, 2021External Seminars
"Live Seminar Key Points of the Draft Guidelines for the Amended APPI"
Apr. 15, 2021External Seminars
"Cyber Law Round Table – Q&A (JAPAN)"

View All

Hiroyuki Tanaka:Publications

Magazine Article
"The Potential of Generative AI and Related Legal Issues (Part 3) Generative AI Use and Personal Information and Privacy"
"Legal Issues in AI Profiling - Personal Information and Privacy in the AI Era -"
Magazine Article
"Essential Information on Global Personal Information Regulations, in the Form of Dialogue (13): Regulations on Children's Personal Information or Highly Sensitive Personal Information"

View All

Hiroyuki Tanaka:Other


  • Keio University (LL.B., 2004)
  • Keio University Law School (J.D., 2006)
  • New York University School of Law (LL.M. in Competition, Innovation, and Information Law, Concentration in Intellectual Property Law, 2013)
  • with Clayton Utz, Sydney, Australia (2013-2014)
  • Lecturer (Intellectual Property Law I) at Keio University (Department of Law)(2018)

Major Activities

  • Adjunct project professor at Keio University Graduate School of Law (2023-)
  • Member of the Cyber-Physical Sustainability Center of Keio University Global Research Institute (2023-)
  • Lecturer (Intellectual Property Law I) at Keio University (Department of Law)(2018)
  • Member of AI and Law Society (Chairperson of Generative AI Section / Member of Privacy Section)
  • Advisor to Japan DPO Association (2019-)
  • Member of Japan Association of Industrial Property Law
  • Member of Copyright Law Association of Japan
  • Member of Information Network Law Association
  • Member of Law and Computers Association of Japan
  • Member of Association of Law and Information Systems
  • Member of International Association of Privacy Professionals

Practice Group

  • TMT (Data Security)
  • TMT (IT)
  • Intellectual Property
  • TMT (AI/IoT, etc.)
  • Dispute Resolution
  • International Disputes
  • Healthcare/Life Sciences (Pharmaceuticals)
  • Culture & Arts
  • Consumer Law
  • Fintech
  • International Trade
  • Maritime Affairs
  • China Practice
  • Asia Practice

Bar Admissions

admitted in Japan, 2007; New York, 2014
Daini-Tokyo Bar Association
New York State Bar Association