Tatsuo Yamashima

Tatsuo Yamashima

Atsumi & Sakai

Recognized since 2020

Tokyo, Japan

Practice Areas

Antitrust / Competition Law

Corporate Governance and Compliance Practice

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Tatsuo Yamashima is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust / Competition Law and Corporate Governance and Compliance Practice.

Tatsuo, who practices law in Tokyo, Japan, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tatsuo is held by other top lawyers in the same geographic and legal practice area.

Contact & Links
Location
  • 16F Fukoku Seimei Building
    2-2-2 Uchisaiwaicho
    Chiyoda-ku
    Tokyo 100-0011
    Japan
Languages
  • English
  • Japanese
Education
  • The University of Tokyo, School of Law, J.D., graduated 2004
  • The University of Tokyo, B.A., graduated 2002
Bar Admissions
  • Japan, Daini Tokyo Bar Association
Affiliations
  • Management Lawyers Council - N/A
  • Competition Law Forum - N/A
  • The European Union Studies Association- Japan - N/A
  • The Japan Opera Foundation - Councilor
  • Verdi Society of Japan - Board Member
  • Association for Promotion of Opera Arts - Representative

Atsumi & Sakai
Headquarters: Tokyo, Japan

76 The Best Lawyers in Japan™ awards

1 Best Lawyers: Ones to Watch in Japan™ award

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Recognized in The Best Lawyers in Japan™ 2026 for work in:
  • Antitrust / Competition Law
  • Corporate Governance and Compliance Practice
Awards:

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