Mori Hamada & Matsumoto


16th Floor, Marunouchi Park Building
2-6-1 Marunouchi, Chiyoda-ku
Tokyo, 100-8222

+81(3)5220 1800

++81(3)5220 1700

Quick facts:

Number of lawyers: 716
Number of partners: 182
Languages: Japanese, English, Mandarin, French, German, Korean, Thai, Bahasa (Malay and Indonesia), Myanmar, Vietnamese

Our Firm

Mori Hamada & Matsumoto (MHM) is one of the largest full-service Tokyo headquartered international law firms. A significant proportion of the firm’s work is international in nature, representing clients in cross-border transactions, litigation and other dispute resolution proceedings.

Our Professionals 

The firm has over 710 lawyers and 610 support staff (including patent attorneys, licensed tax accountants, legal assistants and translators). The firm’s senior lawyers include a number of highly respected practitioners and leaders from the Japanese and international legal community, including prominent law professors from the University of Tokyo, and a former Prosecutor-General from the Public Prosecutors Office. The firm also has experienced lawyers qualified in the US, England and Wales, the People’s Republic of China, the Philippines, India, Malaysia, Singapore, Myanmar, Thailand, Vietnam and more.

Offices and Asia Practice Group

MHM has very strong full-service local law practices in Thailand (Chandler MHM Limited) and Myanmar (Myanmar Legal MHM Limited) and we are expanding our range of local law services in Vietnam and Indonesia (ATD Law in association with Mori Hamada & Matsumoto). We also have offices in Singapore (our ASEAN hub), Shanghai and Beijing. We have strong working relationships with leading firms throughout Asia (as well as in Europe and the Americas), which enables us to work for our clients as a single, integrated team.
MHM has expanded domestically by opening offices in Osaka, Nagoya, Fukuoka and Takamatsu.


  • Banking and finance
  • Capital markets
  • Competition/antitrust
  • Construction
  • Corporate and M&A
  • Dispute resolution
  • Regulatory
  • Intellectual property
  • Labour and employment
  • Investment funds
  • Private equity
  • Restructuring and insolvency
  • Tax

  • Advising Hitachi in the sale of Hitachi Metals to Bain Capital through a USD 5.4 billion tender offer.
  • Japan Post Holdings Co., Ltd., Japan Post Bank Co., Ltd., and Japan Post Insurance Co., Ltd. in their JPY1.43 trillion concurrent global initial public offerings and global follow-on offerings.
  • The Japanese Bankers Association and Japan Syndication and Loan-trading Association in connection with the permanent cessation of LIBOR.

  • Aviation and shipping
  • Banking and financial services
  • Consumer goods and services
  • Energy
  • Industrials and manufacturing
  • Infrastructure
  • Insurance
  • Materials
  • Media and entertainment
  • Mining
  • Oil and gas
  • Pharmaceuticals and life sciences
  • Real estate
  • Technology and telecommunications