Hiroyuki Tanaka

Hiroyuki Tanaka

Privacy and Data Security Law

3.0 (1 reviews)
4+ years experience
Updated:

Contact Information

Marunouchi Park Building 16th Floor 2-6-1 Marunouchi, Chiyoda-ku Tokyo JP
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Bio

Representing clients in Privacy and Data Security Law cases, Hiroyuki Tanaka practices in the United States. Tanaka brings over 3 years of dedicated practice to each Privacy and Data Security Law case. Hiroyuki Tanaka takes a client-focused approach, ensuring individuals understand their legal options. Admitted in the United States, Tanaka remains committed to serving clients with distinction.

Practice Areas

Privacy and Data Security Law

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)

Recognized in Best Lawyers since 2021

Education

  • New York University, LL.M. in Competition, Innovation, and Information Law, graduated 2013
  • Keio University Law School, J.D., graduated 2006
  • Keio University, LL.B, graduated 2004

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Reviews

E

Elizabeth Mitchell

2 weeks ago

Knowledgeable on data privacy, but communication could be clearer

I consulted Mr. Tanaka regarding a data breach notification my small business received from a software vendor. His background in privacy and data security law, including his recognition in Tokyo, was immediately apparent and gave me confidence. He efficiently analyzed the vendor's contract and our obligations under state and federal regulations, providing a solid legal strategy. His LL.M. from NYU in Competition, Innovation, and Information Law clearly informed his approach. However, the experience was mixed. While his legal analysis was competent, there were sometimes significant delays in receiving email replies, which added to my stress during a time-sensitive matter. Explanations of certain technical legal points, while accurate, occasionally felt rushed. For a straightforward compliance matter, his four years of general practice experience sufficed, but I expected more proactive guidance given his accolades. He resolved the immediate issue adequately, but the process felt more transactional than collaborative.

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