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Atsumi & Sakai

Atsumi & Sakai  

Legal Services | Japan

tel: +81 3 5501 2111 | fax: +81 3 5501 2211
Fukoku Seimei Bldg. (Reception: 16F) | Tokyo | 100-0011 | Japan

Main Contacts


Tokyo, Japan | London, England | Frankfurt, Germany

Atsumi & Sakai's Overview

Building from its award-winning finance and securitization practices, Atsumi & Sakai has developed a depth of expertise that extends across all of fields of business and finance law. The firm has a recognized excellence for its innovative capabilities in finance, particularly for our work in project finance, PFI, M&A finance, syndicated loans, securitization, covered bonds and similar structured finance transactions, as well as the creation and management of investment funds, both inbound and outbound.

In April 2005, Atsumi & Sakai became the first Japanese law firm to create a foreign law joint venture, which permits us to admit as partners attorneys admitted in jurisdictions other than Japan, bringing real international expertise and capabilities to the firm. In addition to giving us the ability to advise on the laws of e.g. New York and England, this enables us to provide comprehensive, highly sophisticated drafting, research and other legal services seamlessly across multiple jurisdictions.

  • Year this Office was Established: 1994
  • Number of Offices Worldwide: 2
  • Lawyers Worldwide: 141

Languages: Japanese, English, German, Italian, Chinese, Korean, Russian, Hindi and Marathi


Areas of Practice
  • Administration
  • Advertising and Sales
  • Anti-Trust
  • Audits
  • Banking
  • Bankruptcy
  • Civil Rehabilitation
  • Clinical Trials
  • Construction
  • Corporate
  • Corporate Reorganization
  • Dispute Resolution
  • Due Diligence
  • Finance
  • Governance
  • Healthcare
  • Insolvency
  • Investment Funds
  • IP&IT
  • Licensing of Rights
  • Litigation
  • Medical Equipment & Devices
  • Medical Malpractice
  • Mergers & Acquisitions
  • Negotiations
  • New Energy
  • Petitions
  • Pharmaceuticals
  • Product Liability
  • Project Finance
  • Project/ Natural Resources/
  • Provision of Health and Care Services
  • Regulation and Compliance
  • Research and Development
  • Securities
  • Ship Finance
  • Sports/ Media/ Entertainment
  • Structured Finance and Securitization
  • Tax
  • Trust Banking


Hiroo Atsumi

Hiroo AtsumiManaging Partner

Toyoki Emoto

Toyoki EmotoSenior Partner

Guohui Fan

Guohui FanSenior Partner

Shintaro Hamasu

Shintaro HamasuSenior Partner

Eiichiro Hata

Eiichiro HataSenior Partner

Masataka Hayakawa

Masataka HayakawaSenior Partner

Michiaki Hosoi

Michiaki HosoiSenior Partner

Keita Imaizumi

Keita ImaizumiSenior Partner

Shuji Koyama

Shuji KoyamaSenior Partner

Hiroki Mori

Hiroki MoriSenior Partner

Hiroyuki Nezu

Hiroyuki NezuSenior Partner

Miho Niunoya

Miho NiunoyaSenior Partner

Ryuichi Nozaki

Ryuichi NozakiSenior Partner

Junko Ogushi

Junko OgushiSenior Partner

Fumiko Oikawa

Fumiko OikawaSenior Partner

Miki Ono

Miki OnoPartner

Yutaka Sakai

Yutaka SakaiSenior Partner

Yuri Suzuki

Yuri SuzukiSenior Partner

Teruhisa Toyama

Teruhisa ToyamaSenior Partner

Kazutomo Ueyama

Kazutomo UeyamaSenior Partner

Setsuko Yufu

Setsuko YufuSenior Partner


Of Counsel

Feng Chen

Feng Q ChenOf Counsel

Go Fujimoto

Go FujimotoOf Counsel

Ryuko Inoue

Ryuko InoueOf Counsel

Kentaro Mano

Kentaro ManoOf Counsel

Kohei Murakawa

Kohei MurakawaOf Counsel

Stephen Price

Stephen PriceOf Counsel

Akira Shimazaki

Akira ShimazakiOf Counsel

Yutaka Suzuki

Yutaka SuzukiOf Counsel

Daisuke Suzuki

Daisuke SuzukiOf Counsel

Chie Tabata

Chie TabataOf Counsel

Emi Uchida

Emi UchidaOf Counsel



Atsumi & Sakai is Announces Award Recipients at Asian Legal Business Japan Law Awards 2019
Atsumi & Sakai, July 2019

Asian Legal Business Japan Law Awards 2019 Atsumi & Sakai is pleased announce its receipt of the following awards at the recent Asian Legal Business Japan Law Awards 2019: • Hiroo Atsumi: Managing Partner of the Year • Atsumi & Sakai: Overseas Practice Law Firm of the Year

Former Japanese Financial Regulatory Chief Nobuchika Mori Joins Atsumi & Sakai as an Adviser
Atsumi & Sakai, December 2018

Atsumi & Sakai, the member firm for Japan, welcomes Mr. Nobuchika Mori, former Commissioner of the Financial Services Agency of Japan (the “JFSA”), as an adviser to the Firm. Mr. Mori joined the Ministry of Finance in 1980 after graduating from the University of Tokyo, and successively held important positions with the government of Japan, including Vice Commissioner for Policy Coordination of the Planning and Coordination Bureau, Director-General of the Inspection Bureau and Director-General of the Supervisory Bureau of the JFSA...

All press submitted by Atsumi & Sakai

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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