Atsumi & Sakai

Competition/Antitrust Department

Japan
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What the team is known for Very active in domestic and international cartels, covering dawn raids, leniency applications and criminal and civil litigation. Frequently instructed by domestic clients in the automotive, manufacturing, shipping and financial services sectors on highly contentious matters. Also provides compliance training outside of formal investigations, as well as advice on vertical restraint issues under Japanese law. Regularly works in conjunction with international counsel and advises on the Japanese law aspects of multi-jurisdictional mandates. Capable of advising domestic corporations on the competition law aspects of their transactional activity.

Strengths"The A&S competition team is very dedicated to the cases they handle," explains one interviewee, going on to praise the team's "creativity" and "breadth of experience."

"The lawyers I work with are practical, easy to get along with and creative without being rigid," agrees another source, adding: "They understand the business of the client."

Notable practitioners

Commentators highlight
Setsuko Yufu
's "decades of experience as a practitioner" and "European competition law knowledge" among her key strengths. She advises on contentious behavioural work, such as cartels and unfair trade practices, as well as advising Japanese companies on compliance matters.


Tatsuo Yamashima
provides a full-service offering, with a focus on behavioural mandates. An impressed source underlines his "practical understanding of the client's business."