Ranked in 1 Practice Areas
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Senior Statespeople

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About

Provided by Hidetoshi Masunaga

Global

Practice Areas

Intellectual property law and tax law

Career

Case highlights: - Case of a claim for nullification of correction of corporate tax to JPY 25.2 billion (Tokyo High Court judgment 2006/03/15) - Case of a claim for a reasonable remuneration for employee’s invention (Blue LED) by Dr. Shuji Nakamura, Nobel prize laureate in Physics 2014. The Tokyo District Court 2004/01/30 ordered company to pay 20 billion as the consideration for transfer of the patent.

Professional Memberships

Admitted in Japan (1973), Washington D.C. (1981), New York (1984).

Publications

Article concerning “Vote-Value Disparity in the Upper House” (Hanrei Jiho 2456-125, 2020/11/11)

Book “Litigation under the Governance Theory of Population Proportional Election Ⅳ” (Nippon Hyoron Sha Co., Ltd., 2023/9/30)

Book “Litigation under the Governance Theory of Population Proportional Election Ⅲ” (Nippon Hyoron Sha Co., Ltd., 2021/5/3)

Book “Litigation under the Governance Theory of Population Proportional Election Ⅱ” (Nippon Hyoron Sha Co., Ltd., 2020/09/30)

Book “Litigation under the Governance Theory of Population Proportional Election” (Nippon Hyoron Sha Co., Ltd., 2020/03/31)

Article “Two Major Issues in the December 19, 2018 Decision of the Supreme Court of Japan Grand Bench” (Hanrei Jiho 2403-130, 2019/06/21)

Languages Spoken

Japanese / English

Education

Columbia University

LL.M.

1979

The University of Tokyo

B.E.

1973

The University of Tokyo

LL.B.

1965

Chambers Review

Provided by Chambers

Global

Dispute Resolution: Domestic - Japan
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Senior Statespeople

Hidetoshi Masunaga has significant expertise in handling contentious matters in Tokyo District Court, High Court and Supreme Court. He is particularly experienced in advising on corporate tax disputes and IP infringement litigation.

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Hidetoshi Masunaga
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Senior Statespeople
Intellectual Property: Benrishi

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