Brussels Office

Name: Atsumi & Sakai Brussels EU

Contact:   Etsuko Kameoka* (Managing Partner)

               Attorney at Law

                    Admitted in New York

                    Registered in Brussels (foreign lawyer)

                    *Not Registered as a Foreign Lawyer in Japan


CBR Building, Chaussée de la Hulpe 185, 1170 Brussels Belgium

Tel: +32-470-85-19-07


Atsumi & Sakai Brussels EU was established in 2024 in Brussels, the heart of the European Union, as the Brussels office of leading Tokyo-based law firm Atsumi & Sakai.
Atsumi & Sakai Brussels EU understands the unique culture and mindset of the EU and strives to accurately track its fluctuations. If necessary, by utilizing our network of local experts and other resources, we are able to provide advice in Japanese on a variety of EU law matters, with a focus on EU competition law, that are appropriate for Japanese companies. We can also enlist the assistance of attorneys in our Tokyo office, particularly in our Antitrust /Competition, and European practice teams.
In addition to providing legal advice to clients preparing to enter the European market and assisting them in the EU member countries involved, we also provide referrals to appropriate attorneys for Japanese legal matters.



Our range of services includes in particular:​​​​​​
We provide advice on EU law from a variety of perspectives, with particular emphasis on the following areas.
Handling European Commission investigations in cartel, abuse of dominant position, merger control, establishment of distribution and sales systems, drafting and reviewing agreements for R&D and alliances, etc., IP license negotiations, compliance program development and training, digital business regulations, state aid control, foreign subsidies regulation and foreign direct investment regulations, and other areas of EU competition law.
Our practice also covers EU trade law, EU environmental law, EU data protection law, and cybersecurity-related law.
​​​​​Transactions members of our team has advised on include:


  • Assisting Japanese companies in various cartel investigations and merger notifications
  • Establishment of distribution and sales systems for Japanese multinational companies, and drafting of agreements for joint marketing/purchasing with local companies.
  • Advising Japanese companies in IP licensing negotiations with global biotech companies
  • Providing Japanese companies with technical and strategic advice in relation to business practices of dominant counterparties
  • Advice on competition law issues in arrangements with counterparties of a Japanese company regarding registration under the REACH regulation
  • Development and training of EU competition law compliance programs for a group of European affiliates of a Japanese company
  • Advising Japanese government agencies on trends and directions in EU competition policy
  • Assisting Japanese companies in claim damages actions in Europe on the grounds of EU cartel​​​​​



Awards (excerpt)

  • Expert Guides 2022 - Women in Business Law: Competition and Antitrust(Belgium)

Main Practice Areas



Etsuko Kameoka