Jun Ishii

Jun Ishii


Jun Ishii is working for various corporate matters in Japan and other countries. He is supporting Japanese corporations for their investments, as well as management of their subsidiaries, in many countries in cooperation with local law firms. In particular, he is familiar with legal practice in Latin America since he has experience to have worked for major law firms in Brazil and Chile. He is also assisting both Japanese and foreign clients for their M&As, joint ventures and other corporate matters in Japan.

Ishii Jun

Practice Areas

Key Practice Areas

Related Practice Areas

Practice Groups

  • Asia and Emerging Countries Practice Group
  • Corporate Transaction Group


Mar 2005 The University of Tokyo (LL.B.)
Mar 2007 The University of Tokyo School of Law (J.D.)
Dec 2008 The Legal Training and Research Institute of the Supreme Court of Japan
Jun 2014 University of Chicago (LL.M.)
Sep - Nov 2014 Associated with Barros & Errázuriz Abogados, Santiago de Chile
Dec 2014 - Nov 2015 Associated with Pinheiro Neto Advogados, Sao Paulo
Jan 2019 Partner at Anderson Mori & Tomotsune
Oct 2019 Corporate auditor of Nippon Theme Park Development Co., Ltd.
* In addition to those listed in the "Publications" below, Mr. Ishii has also written the following newsletters regarding Latin American law.
Asia & Emerging Markets Legal Newsletter "ASIA & EMERGING COUNTRIES LEGAL UPDATE"
・ Corporate Transactions in Mexico
  (1) Outline of the Procedures and Regulations relating to Share Transfer in Mexico (July 2021)
  (2) Spin-off and Business Transfer in Mexico (April 2022)
・ General Corporate Matters in Mexico
  (1) 12 jurisdictions in Asian and emerging countries -Bankruptcy system Q&A- During the Covid-19 pandemic (Mexico part) (July 2020)
  (2) Import / Export Regulations in Mexico and US-Mexico-Canada Agreement (October 2020)
  (3) Intellectual Property Laws in Mexico -Basic concepts and recent topics- (March 2021)
  (4) Consumer Protection Law in Mexico (January 2022)
・ Compliance Issues in Mexico
  (1) Administrative and criminal anti-corruption regulations in Mexico (January 2021)
  (2) Mexico's effort in SDGs and Environmental Laws (December 2021)
  (3) Whistleblowing System in Mexico (February 2022)
・ Labor Law in Mexico
  (1) Outline of the rules on fixed-term employment, training period etc. in Mexico (August 2021)
  (2) Change of labor dispute resolution procedures in Mexico -facing the full implementation of the new system- (September 2021)
  (3) Regulations of Labor Unions in Mexico -explanation of the 2019 amendments- (October 2021)
  (4) Regulations of Dismissal in Mexico (November 2021)
・ Regulations on Foreign Investments in Mexico
  (1) general principles and types of restricted investment (June 2021)
・ Contracts in Mexico
  (1) Basics of Contract Law in Mexico (May 2021)
  (2) Basics of Contract Law in Mexico (June 2021)
  (3) Overview of Agency and/or Distributor Agreements in Mexico (March 2022)
・ Data Protection Law in Mexico
  (1) Outline of the law and processing regulations (December 2020)
  (2) Data subjects' rights and transfer regulations (February 2021)
  (3) The relationship between data controller and data processor, and the sanctions against violations (April 2021)
・ Provisional measures, proceedings, and enforcement of civil litigations in Mexico (November 2020)
・ [Brazil] Amendment to the Civil Code, etc. by the Economic Freedom Act (May 2020)
・ [Brazil] Temporary measures in labor laws for COVID-19 (May 2020)
・ [Brazil] Extension of deadline for submitting information on Ultimate Beneficial Owners (May 2019)
・ [Brazil] New INPI regulations for technology transfer and other agreements (December 2017)
・ [Brazil] New guidelines for compliance programs (May 2016)
・ [Brazil] Duties and liabilities of officers of Limitada (January 2016)
・ [Brazil] Penalties, leniencies and settlements for cartels (June 2015)
・ [Brazil] New regulations regarding Anti-corruption Law in Brazil (April 2015)
・ [Chile] Regulations on employment agreements (October 2014)


Aug 2022
Jul 2022
Apr 2022
Brazil - compensation for damages in torts BTMU Global Business Insight
Feb 2016
Debt collection in Brazil BTMU Global Business Insight
Dec 2015
Summary of the Brazilian insolvency law BTMU Global Business Insight
Sep 2015
Amendment to the Chilean tax law in 2014 BTMU Global Business Insight
Nov 2014



Professional Admissions

  • Japan (2008)
  • New York (2015)

Professional and Academic Associations

  • Daini Tokyo Bar Association


  • Japanese (first language)
  • English
  • Portuguese (basic)