Tatsuo Yamashima

4.6 (36 reviews )

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Antitrust / Competition Law Corporate Governance and Compliance Practice

Recognized in Best Attorney USA since 2020

81 3 5501 2111 Website

About Tatsuo

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.

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.

Practice Areas

Antitrust / Competition Law

Corporate Governance and Compliance Practice

Education

The University of Tokyo

Professional Affiliations

Awards & Recognition

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Reviews

4.6 / 5

36 Reviews

1,050 Profile Views

Chester Reichel

Feb 01, 2026

Solid work and professional service from Tatsuo Yamashima in null for null residents

It's hard finding a reliable lawyer these days, but Tatsuo Yamashima in null is definitely one of the good ones. Would use them again if needed without hesitation. They are professional, responsive, a...

Florence Anderson

Feb 01, 2026

Many thanks to Tatsuo Yamashima for the hard work and dedication to my legal matter

Super helpful and professional staff at Tatsuo Yamashima's office. Thanks again for everything you did for me! It was a long journey, but you made it much easier with your constant support and legal e...

Mercedes Hayes

Feb 01, 2026

The absolute best in null for Antitrust / Competition Law - and I mean that from the bottom of my heart

If you're looking for someone who actually cares and will fight for you, go to Tatsuo Yamashima. They helped me out big time with my Antitrust / Competition Law issue and kept me informed at every ste...

Mona Wilkinson

Feb 01, 2026

A very good experience overall with the entire team at Tatsuo Yamashima's legal practice

I've worked with a few lawyers in null over the years, but Tatsuo Yamashima stands out for their honesty and thoroughness. They were clear about the process and kept me updated at all times. I felt co...

Gerald O'Conner

Feb 01, 2026

A huge weight off my shoulders thanks to the amazing work of Tatsuo Yamashima

I've already told all my friends and family about Tatsuo Yamashima. If you need Antitrust / Competition Law help in null, they're the ones to see without any doubt. They are local experts who really u...

Tatsuo Yamashima

About Tatsuo