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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.

Publications

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.

Seminars

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

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Haseru Roku

Haseru Roku

Partner

Tokyo Office

Haseru Roku

Haseru Roku

Partner

Tokyo Office

People
Haseru Roku

Haseru Roku’s practice focuses on complex cross border activity, including M&A, international trade and economic security related matters. Based on his strong in-bound and out-bound experience as well as his work at top tier law firms in the U.S. and China, his expertise also lies in trade friction, cross-border transactional disputes, and negotiations for acquisitions and joint ventures with companies in the Greater China area (mainland China, Singapore, Hong Kong and Taiwan). He is fluent in Chinese and English in addition to his native Japanese.

2006
The University of Tokyo (LL.B.)
2008
The University of Tokyo School of Law (J.D.)
2010 -
Nagashima Ohno & Tsunematsu
2017
Columbia Law School (LL.M.)
2017 - 2018
Schulte Roth & Zabel LLP, New York
2018 - 2019
Zhong Lun Law Firm, Beijing
2022 - present
Partner, Nagashima Ohno & Tsunematsu
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