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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.

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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.

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

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Kosuke Hamaguchi

Kosuke Hamaguchi

Partner

Tokyo Office

Kosuke Hamaguchi

Kosuke Hamaguchi

Partner

Tokyo Office

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People
Kosuke Hamaguchi

Kosuke Hamaguchi’s practice mainly involves public and private M&A transactions and corporate governance. He also regularly advises clients on corporate crisis management. Based upon his experiences overseas, he represents international companies in numerous cross-border projects. In particular, he is recognized for his expertise in strategic M&A transactions and alliances.

Practice Areas

Languages

Japanese, English

Qualifications

2006, Japan (Dai-Ichi Tokyo Bar Association)

Practice Areas

Languages

Japanese, English

Qualifications

2006, Japan (Dai-Ichi Tokyo Bar Association)

Education/Professional Experience

2001
The University of Tokyo (LL.B.)
2003
The University of Tokyo (LL.M.)
2006 -
Nagashima Ohno & Tsunematsu
2012
University of Virginia School of Law (LL.M.)
2012 - 2013
Sullivan & Cromwell LLP, New York
2013 - 2014
Nagashima Ohno & Tsunematsu NY LLP
2016 - 2018
Adjunct Lecturer (Civil Law), The University of Tokyo
2017 - present
Partner, Nagashima Ohno & Tsunematsu

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