With one of the largest legal teams in Japan, we bring a wealth of practical knowledge focused on the singular purpose of providing high quality legal services.


Our lawyers have authored or co-authored a number of newsletters, articles, books and other materials covering a wide range of legal areas to address the latest legal developments and increasingly diverse and complex issues.


We regularly hold seminars and offer lectures through various formats, such as online streaming.


Hironobu Tsukamoto

Hironobu Tsukamoto

Partner (NO&T NY LLP)/Co-Head of Office

New York Office

Hironobu Tsukamoto

Hironobu Tsukamoto

Partner (NO&T NY LLP)/Co-Head of Office

New York Office

Hironobu Tsukamoto

Hironobu Tsukamoto is a Co-Head of Nagashima Ohno & Tsunematsu NY LLP. His practice focuses on commercial litigation and arbitration primarily in the area of commercial transactions, labor and employment, intellectual property and securities, as well as on regulatory compliance and other investigation matters.
In addition, Mr. Tsukamoto regularly advises multinational and domestic companies in a wide range of industries on various aspects of Japanese laws including general corporate, labor and employment, privacy and data security, and intellectual property matters. He graduated with an LL.B. from Kyoto University in 1998 and with an LL.M. from the University of Chicago in 2005.

Recent Awards:
The Best Lawyers in Japan “Arbitration and Mediation”, “International Business Transactions”, “Labor and Employment Law” and “Litigation”
Chambers Global “Dispute Resolution – Japan, Expertise Based Abroad in Japan” and “Litigation – USA, Foreign Expertise in Japan”

Kyoto University (LL.B.)
2000 -
Nagashima Ohno & Tsunematsu
The University of Chicago Law School (LL.M.)
2005 - 2007
Weil, Gotshal & Manges LLP, Silicon Valley
Sep 2008 -
Jan 2010
Adjunct Lecturer, Sophia Law School
2009 - 2014
Partner, Nagashima Ohno & Tsunematsu Tokyo Office
2015 - present
Partner at Nagashima Ohno & Tsunematsu NY LLP
2017 - present
Co-Head of Nagashima Ohno & Tsunematsu NY LLP
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