Hiroshi Oyama

LPC Partner

Hiroshi Oyama

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Contact Information

+81-3-6266-8589 (Tokyo)
+81-87-802-4491 (Takamatsu)
+81-3-6266-8489 (Tokyo)
+81-87-802-4480 (Takamatsu)

Practice Areas

Hiroshi Oyama:Awards

Lawyers from Mori Hamada & Matsumoto were included in the 13th edition of The Best Lawyers in Japan™ and the inaugural Best Lawyers: Ones to Watch in Japan™
Top Rankings Received from The Legal 500 Asia Pacific 2022
Top Rankings Received in The Nikkei's "Corporate Legal Tax Affairs and Lawyer Survey 2021"

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Hiroshi Oyama:News

Firm News
Mori Hamada & Matsumoto announces alliance with leading shipping law firm, Seno & Partners
Public Service
Firm's lawyers involved in the Revision of the “Guidebook for Introducing Incentive Plans for Sustainable Corporate Growth as Board Members’ Compensation to Encourage Companies to Promote Proactive Business Management”
Firm News
Eleven new partners and twelve new counsels

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Hiroshi Oyama:Publications

”Rising Instances of Taxation Arising from Errors in Documents”
"International Comparative Legal Guide to: Shipping Law 2022 - Japan Chapter"
Magazine Article
"Explanation of Recent Judicial Precedents and Court Decisions Regarding Tax that Serve as Key Points in Corporate Practice"

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Hiroshi Oyama:Other


  • 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)

Bar Admissions

admitted in Japan,2007
Kagawa Bar Association