Jonas Koponen


I help clients from around the world manage crucial competition law risks.

Jonas advises multinational companies on complex transactions and contentious competition investigations and related dispute resolution. He is a highly regarded international competition lawyer and a recognized leader of the Brussels antitrust bar. Clients value his combination of strategic intelligence and leading-edge advice, curiosity, and flexibility, as well as his depth of commercial understanding. He represents clients in a range of industries, with significant experience in the financial services, life sciences, healthcare, telecommunications, software and information technology sectors. 

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[A]n excellent advocate who is able to take detailed arguments and put them into a format that is simple and compelling. – Chambers and Partners Global Guide 2022

  • Maastricht University
    LLM, Comparative and European Law,

  • Lund University
    LLM, International Law and Legal Studies

Admissions & Credentials


Brussels, Belgium


  • Swedish Bar Association

  • International Bar Association

  • American Bar Association - Section of Antitrust Law

  • European Competition Lawyers Forum

Rankings & Accolades

    Chambers Global and Europe: Competition: EU – Belgium

    Who’s Who Legal:
    Thought Leaders – Competition 

    Who’s Who Legal:
    Global Leader – Competition

    The Legal 500 Belgium: Leading Individual – Competition: EU and Global