About Hiroyuki
Hiroyuki Tanaka is a Partner of Mori Hamada & Matsumoto, practicing data, IP, IT, and AI law.He is the Adjunct project professor at Keio University Graduate School of Law and Member of the Cyber-Physical Sustainability Center of Keio University Global Research InstituteHe has extensive experience advising foreign clients on Japanese data protection law. He is also familiar with global data protection regulations, including GDPR and CCPA / CPRA and helps Japanese clients with global data protection compliance by working closely with local counsels.His practice area includes legal issues relating to AI, including generative AI and the protection of cybernetic avatars.He has extensive experience for various IP infringement disputes as well as disputes related to IT including software and apps.
Hiroyuki Tanaka is a Partner of Mori Hamada & Matsumoto, practicing data, IP, IT, and AI law.He is the Adjunct project professor at Keio University Graduate School of Law and Member of the Cyber-Physical Sustainability Center of Keio University Global Research InstituteHe has extensive experience advising foreign clients on Japanese data protection law. He is also familiar with global data protection regulations, including GDPR and CCPA / CPRA and helps Japanese clients with global data protection compliance by working closely with local counsels.His practice area includes legal issues relating to AI, including generative AI and the protection of cybernetic avatars.He has extensive experience for various IP infringement disputes as well as disputes related to IT including software and apps.
Practice Areas
Awards & Recognition
- Lawyer of the Year: Privacy and Data Security Law, Tokyo, Japan (2025)
- Recognized: Privacy and Data Security Law
- Recognized: Technology Law
- Practice Area: Intellectual Property Law
- Practice Area: Information Technology Law
- Practice Area: Telecommunications Law
- Practice Area: Outsourcing
- Practice Area: Gaming Law
- Practice Area: Litigation
- Lexology Index Global Elite Thought Leader Client Choice 2025 - DataOne of 2024’s top 3 best-performing AI, Tech, and Data lawyers (as selected by companies) in Nikkei’s corporate legal affairs and lawyer survey of the Japanese market.One of 2022’s Best Performing Lawyers in the Intellectual Property area in Nikkei’s corporate legal affairs and lawyer survey of the Japanese market.IAM Patent 1000 – Japan (Litigation)
- Lexology Index Global Elite Thought Leader Client Choice 2025 - Data
- One of 2024’s top 3 best-performing AI, Tech, and Data lawyers (as selected by companies) in Nikkei’s corporate legal affairs and lawyer survey of the Japanese market.
- One of 2022’s Best Performing Lawyers in the Intellectual Property area in Nikkei’s corporate legal affairs and lawyer survey of the Japanese market.
- IAM Patent 1000 – Japan (Litigation)
