LAWYER PROFILE
Hiroshi Oyama

Hiroshi Oyama

Asia-Pacific 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

Tax: Bengoshi

Japan

6 years ranked

About

Provided by Mori Hamada

Asia-Pacific

Practice Areas

M&A (M&A / Reorganizations / Capital and Business Alliances); Tax (Tax Planning, Tax Investigations and Disputes); Wealth Management

Career

Waseda University (LL.B., 2001); Waseda University (LL.M., 2003); Chuo Law School (J.D., 2006); University of Michigan Law School (LL.M., 2014); seconded to the Examination Division I of Tokyo Regional Taxation Bureau (2016-2018)

Professional Memberships

admitted in Japan, 2007

Chambers Review

Provided by Chambers

Chambers Asia & Pacific

Tax: Bengoshi - Japan

Band 3
Band 3

Individual Editorial
Hiroshi Oyama is commended by clients for his ability to calibrate advice based on his experience as a former secondee of the Japanese tax bureau. His practice ranges from audit and transfer pricing advice to tax planning and litigation.

Strengths

Provided by Chambers

  • He has provided high-quality services regarding tax matters related to corporate restructuring, utilising his experience at the National Tax Agency.

    Tax: BengoshiChambers Asia & Pacific

Ranked Individuals at Mori Hamada (70)

Japan

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