Shunji Sato

Partner at TMI Associates

Shunji Sato’s practice focuses primarily on trademark searches, prosecution, portfolio management and international trademark protection for Japanese and multinational companies, as well as local start-ups. With over 24 years’ experience, he has vast expertise in oppositions, invalidations and cancellation proceedings before the Japan Patent Office, as well as trademark/design infringement and unfair competition suits before district courts and the Intellectual Property High Court. Mr Sato is also highly skilled in providing strategic advice on brand protection based on his in-depth knowledge and experience.

Mr Sato is an active member of INTA, where he has served as a member of the Board of Directors and on the Asia-Pacific Global Advisory Council, the Programming Committee of the INTA 2020 Annual Meeting and the INTA Presidential Task Force. He is also a chair of the International Committee of the Japan Trademark Association and an active member of the Trademark Committee of the Asian Patent Attorneys Association. He has also been selected as a panellist for JP Domain Name Dispute Resolution for the Japan Intellectual Property Arbitration Centre.

Mr Sato has been recognised as one of World Trademark Review’s Global Leaders in 2020. He is also honoured to have been selected as a top trademark practitioner in other internationally renowned directories, including:

  • The Legal 500 Asia Pacific;
  • asialaw Profiles;
  • Euromoney’s Expert Guide (Trademark – Japan); and
  • Client Choice Award (Trademarks – Japan).

Mr Sato obtained his law degree from Keio University and his LLM from the Santa Clara University School of Law in California. He frequently appears as a speaker or panellist at trademark-related national and international conferences.

Please find his detailed profile at

Professional associations

  • APAA
  • INTA
  • JTA

Firm details

TMI Associates
23rd Floor
Roppongi Hills Mori Tower
6-10-1 Roppongi Minato-ku
Tokyo 106-6123

Contact details

See firm profile