The team at Atsumi & Sakai is supported by a global network of offices specialising in domestic and international merger control and antitrust compliance matters. Team leader Saori Hanada has significant experience in cartel cases, including internal audits, leniency applications, and private enforcement. Setsuko Yufu handles cartel investigations, merger controls, and dominant position issues, while Tatsuo Yamashima is experienced in working with domestic and foreign authorities on cartel investigations. Masayuki Matsuura is recommended for merger cases.
Legal 500 Editorial commentary
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading partners: Bengoshi
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Tatsuo Yamashima
Atsumi & SakaiNext Generation Partners: Bengoshi
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Masayuki Matsuura
Atsumi & SakaiPractice head
The lawyer(s) leading their teams.
Saori Hanada