Koji Yamamoto

Partner | Tokyo

*Our Firm is a foreign law joint enterprise (gaikokuhou kyoudou jigyou) between Withers Gaikokuhou Jimu Bengoshi Houjin (whose Partners are attorneys-at-law admitted in California, Connecticut, Florida, Hawaii and New York, all of whom are foreign registered attorneys (Gaikokuhou Jimu Bengoshi) in Japan) and Withers Bengoshi Houjin (whose Partners, Associates and Counsel are qualified Japanese bengoshi), as defined under Article 2, item 15 of the Special Measures Law Concerning the Handling of Legal Business by Foreign Lawyers (Gaikoku Bengoshi ni yoru Houritsu Jimu no Toriatsukai ni kansuru TokubetsuSochiho) of Japan.



  • New York State Bar, 2002

  • Dai-ni Tokyo Bar Association, 2013


  • University of Western Ontario, BA

  • University of Toronto, Faculty of Law, LL.B

  • University of Tokyo, Research Scholarship


  • English
  • Japanese

Key dates

  • Year joined: 2018