Chambers Review
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Chambers Asia & Pacific
Competition/Antitrust - Japan
Individual Editorial
Ryohei Tanaka frequently advises on a wide range of competition law-related matters including merger control proceedings.
Ryohei Tanaka
Asia-Pacific Guide 2025
Band 4 : Competition/Antitrust
Email address
[email protected]Contact number
+81-3-6889-7457Share profile
Lawyers profile
Asia-Pacific 2025
Lawyers profile | Asia-Pacific 2025: Competition/Antitrust
Ryohei Tanaka
Ranked in 1 Practice Areas
Band 4
About
Provided by Ryohei Tanaka
Asia-Pacific
Practice Areas
Ryohei Tanaka frequently represents multi-national firms as well as large Japanese corporations in merger control proceedings before the JFTC concerning various industry sectors. In addition, he regularly provides advice on competition law related issues that arise in the course of M&A transaction such as gun jumping, non-compete and information firewalls, and he also assesses merger filing requirements in jurisdictions around the world and coordinates global filing procedures. Moreover, Mr. Tanaka represents and assists clients in cartel investigations, and advises on behavioural cases, provides regular competition law training to both Japanese and international clients.
Career
Jointed Nagashima Ohno and Tsunematsu in 2007, seconded to SANYO Electric (2012-2013) and worked as a foreign attorney at Arnold and Porter Kaye Scholer LLP (Brussels) (2014-2015).
Professional Memberships
Daiichi-Tokyo Bar Association, Japan Competition Forum and American Bar Association.
Publications
Lexology Getting the Deal Through 2022 – 2023 Cartel Regulations (Japan) (co-author), The International Comparative Legal Guide to: Merger Control 2018 - 2023 Japan (co-author), GTDT Practice Guide Japan M&A "Regulatory issues and hurdles for M&A in Japan" 2021-2023 (co-author), The law and practice of antitrust gun jumping and information exchange - for M&A practitioners (in Japanese, co-author) (2017).
Strengths
Provided by Chambers
Slide 1 of 1
Ryohei Tanaka is an incredibly practical, goal-oriented attorney.
He is experienced in filing merger notifications with the JFTC and organises the necessary information only after he thoroughly understands each company's business.
Ryohei Tanaka is an incredibly practical, goal-oriented attorney.
He is experienced in filing merger notifications with the JFTC and organises the necessary information only after he thoroughly understands each company's business.
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