Shin-Marunouchi Building, 29th Floor
5-1, Marunouchi 1-Chome
Chiyoda-ku, Japan 100-6529
P 81-3-3214-6522
F 81-3-3214-6512

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Morrison & Foerster has the largest and most diverse practice of any international law firm in Japan, with over 120 attorneys in Tokyo (including 50 Japanese attorneys).

We were one of the first foreign law firms licensed in Japan, opening our offices in 1987. Today we are the largest international law firm in Japan (and one of the 6 largest firms in Japan, foreign or domestic).


  • Over 120 attorneys on the ground
  • Over 80 attorneys who are either Japanese or fluent in Japanese
  • Selected Japan International Law Firm of the Year by Chambers Asia Pacific Awards in 2015, for the 3rd consecutive year (and the 4th time in the last 5 years)
  • Recognized by Chambers Asia Pacific 2016 in more Band 1 practice rankings and more "Star Individual" attorney rankings than any other international firm in Japan
  • Only global firm ranked Band 1 for M&A in Japan by Chambers Global, Chambers Asia Pacific, IFLR1000, and The Legal 500 Asia Pacific.
  • Asian Legal Business (ALB) Japan Law Awards 2014 honored us with six awards—more than any other international law firm. We were named International Deal Firm of the Year (for the second year in a row), and had transactions recognized as M&A Deal of the Year, Debt Market Deal of the Year, and TMT Deal of the Year.
  • Ranked in Band 1 for Japan Intellectual Property in the 2016 edition of Chambers Asia Pacific
  • Ranked in Band 1 for Japan Capital Markets in the 2016 edition of IFLR1000
  • Exclusive winner for International Law Office's "Client Choice Award" for excellence in Litigation and Intellectual Property; ranked in Tier 1 for Japan Dispute Resolution by The Legal 500 Asia Pacific from 2005 - 2016
  • Ranked in Band 1 for Japan Real Estate in the 2016 editions of Chambers Asia Pacific and The Legal 500 Asia Pacific





Shin-Marunouchi Building, 29th Floor
5-1, Marunouchi 1-chome
Chiyoda-ku, Tokyo 100-6529
P 81-3-3214-6522
F 81-3-3214-6512

Managing Partner:
Kenneth Siegel  

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Winner Chambers Asia Pacific 2016
Chambers Asia Pacific Names Morrison & Foerster Japan International Law Firm of the Year

Japan Law Awards
Asian Legal Business (ALB) Japan Law Awards 2014
Named International Deal Firm of the Year

“Morrison & Foerster is a one-stop shop with top-tier expertise.”

“Very high-quality service and are a client-oriented firm.”

“They're very good, and handle both US and Japanese law - different from many other firms.”
(Chambers Asia Pacific 2016)

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