Yohei Koyama


Yohei Koyama

Print profile


Contact Information


Practice Areas

Yohei Koyama: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™
Yohei Koyama listed in The International A-List 2022
Lawyers from Mori Hamada & Matsumoto were included in the 12th edition of The Best Lawyers™ in Japan

View All

Yohei Koyama:News

Firm News
Nine new partners, one foreign law partner and three of counsels
Comments from Yohei Koyama were published on THE WALL STREET JOURNAL Website
Firm News
Five associates become partners or of counsels in January

View All

Yohei Koyama:Newsletters

MHM COVID-19 Updates in Asia (April 2020) DownloadPDF

View All

Yohei Koyama:Seminars

Dec. 8, 2022External Seminars
『Opportunities in Indian energy sector | Overview of regulatory and dispute resolution aspects in India | Recent developments in Japan-India relations』
Sep. 2, 2022External Seminars
『Seminar on Opportunities for Large Companies/SMEs in India – business and legal insights』
Apr. 8, 2022External Seminars
『Looking Ahead Indo-Japan: Opportunities and Addressing Challenges』

View All

Yohei Koyama:Publications

Book Article
"Real Estate Legislation in India - Theory and Practice: From General Legal Systems Related to Real Estate to Projects Including Joint Ventures and M&A"
Book Article
"M&A Legislation in Emerging Asian Countries - Third edition"
"Handbook for Rules Against Bribery of Foreign Public Officials for Companies Expanding Overseas"

View All

Yohei Koyama:Other


  • Kyoto University (LL.B., 2001)
  • Cornell Law School (LL.M., 2008)
  • with Alston & Bird, Atlanta (2008-2009)
  • with AZB & Partners, Delhi (2011)
  • with VILAF-Hong Duc, Hanoi (2011)

Major Activities

  • Observer (India delegate) for "Review Committee on International Standards for Personal Information Protection Systems," Consumer Affairs Agency (2012-)
  • Lecturer at the Hitotsubashi University Graduate School of International Corporate Strategy (in charge of the third lecture on international legal strategy in 2012)

Bar Admissions

admitted in Japan, 2002; New York, 2009
Daini Tokyo Bar Association