Isabelle Buelens's picture

Isabelle Buelens


Download vCard View LinkedIn profileLinkedIn profile


Isabelle Buelens (°1969), partner, is active in various fields of European and Belgian law, with a particular focus on competition law, vertical agreements, market practices, advertising and consumer law. She has written extensively in these areas.

Isabelle has followed closely the significant regulatory developments in these areas at European level and their implementation into Belgian law.

Isabelle is an experienced litigator in the European and Belgian courts. She has successfully handled a large number of summary proceedings in the area of advertising and passing-off issues.

She provides counsel and represents international and national clients in inquiries and procedures before the European Commission and the Belgian Competition Authority.

She has been actively involved in many merger filing procedures before these authorities.


Representative matters:

  • Assisting professional organisations involved in cartel investigations in the area of stevedoring services, steel, wax, household products.
  • Defending against accusations of abuse of a dominant position in the area of books, communication- and IT services, the storage of goods.
  • Notifying concentrations with the Belgian and European competition authorities and negotiating commitments, resulting in a first phase merger clearance.
  • Drafting and implementing in-house competition law compliance programmes for companies active in various sectors including tobacco, motor vehicle distribution, fuel and gas.
  • Defending liberal professionals on ethics violations, pricing and advertising.
  • Recurrent screening of advertising and promotional communication in the areas of tobacco, financial services, cosmetics, pharmaceuticals, household cleaning products and beer.
  • Advising suppliers on the labelling of foodstuffs, detergents and tobacco.
  • Assisting clients with webshop development.
  • Establishing and structuring distribution networks.


  • LLM, King’s College, University of London (1992)
  • LLB, Katholieke Universiteit Leuven (1991)


  • Senior Attorney, market practices and consumer law practice group, Eubelius (2014-2015)
  • Senior Attorney, European and competition law and market practices and consumer law practice groups, Liedekerke Wolters Waelbroeck Kirkpatrick (1994-2014)
  • Part-time assistant, Faculty of Law, KU Leuven: teaching various aspects of competition law