Mr Fumiaki Matsuoka > Atsumi & Sakai > Tokyo, Japan > Lawyer Profile

Jointly headed by Toshiaki Takahashi, Hisashi Miyatsuka, Toyoki Emoto, Kohei Murakawa, Teruhisa Tomoya, Fumiaki Matsuoka, and Rikiya Okuhara, Atsumi & Sakai regularly assists clients with litigation and arbitration cases. The practice’s broad caseload also encompasses pharmaceutical, manufacturing, investing, and green energy activity, with notable experience in cross-border disputes and high-value litigation before Japanese courts.

Chie Kasahara and Harukuni Ito co-lead the TMT team at Atsumi & Sakai, alongside Fumiaki Matsuoka and Osamu Fujiwara, who head the data, privacy, and cybersecurity team. The firm assists clients with a wide variety of matters, including cyber-attacks, IP disputes, and compliance with the Personal Information Protection Act. Takufumi Ochiai sits within the firm’s fintech team, and represents both Japanese and foreign clients. Kasahara and Ito primarily act for pharma clients in IP and data protection related matters, Matsuoka focuses on cyber security issues, and Fujiwara is noted for his broad corporate expertise.