LAWYER PROFILE

Hiroshi Watanabe

Asia-Pacific 2026

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Ushijima & Partners
 Ushijima & Partners

Ranked in 1 practice area

Dispute Resolution: Domestic

Japan

2 years ranked

About

Provided by Ushijima & Partners

Practice Areas

Hiroshi Watanabe’s dispute resolution experience is mainly in corporate lawsuits, including derivative suits. For example, he led a ground-breaking case against Intelligence, Ltd., where, for the first time ever in Japan, regression analysis was used to adjust the stock price in a securities action. He is also very experienced in litigation relating to business acquisitions and labour disputes. Finally, he has very deep experience working on cases dealing with different kinds of economic crimes. These include cases about the Financial Instruments and Exchange Act of Japan (regarding insider trading and correcting past accounts), the Anti-Monopoly Act of Japan involving international cartels, the Act against Unjustifiable Premiums and Misleading Representations, the Unfair Competition Prevention Act and tax evasion.

For more details of his practice areas (other than the dispute resolution practice) is available at: https://www.ushijima-law.gr.jp/en/attorney/hiroshi-watanabe/

Career

Admitted in Japan (1996)

Completed the first doctoral course (in the Companies Act) at Graduate School of Law of Chuo University (1997)

Partner, Ushijima & Partners (2003)

Part-time auditor at Aoba Life Insurance (until 2004)

Professional Memberships

Dai-ni Tokyo Bar Association.

Personal

Chuo University (LL.B., 1992)

For more details of his profile including his awards, publications and seminars is available at: https://www.ushijima-law.gr.jp/en/attorney/hiroshi-watanabe/

Chambers Review

Provided by Chambers

Chambers Asia & Pacific

Dispute Resolution: Domestic - Japan

Band 4
Individual Editorial

Hiroshi Watanabe is noted for his adept handling of corporate disputes including class actions such as derivative suits and securities litigation. He is also experienced in litigation relating to M&A such as hostile takeover matters.

Learn more about this teamView ranking table

Strengths

Provided by Chambers

  • He is a pleasure to work with and consistently demonstrates professionalism, responsiveness and a strong commitment to client service.

    Dispute Resolution: DomesticChambers Asia & Pacific

  • Hiroshi offers exceptionally clear and practical advice and is extremely prompt and reliable. He offers strategic insights which are practical and commercially-minded.

    Dispute Resolution: DomesticChambers Asia & Pacific

Ranked Individuals at Ushijima & Partners (5)

Japan

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