Jonas Koponen 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.

Jonas strategically advises his clients on complex M&A, investments, and licensing transactions, including with respect to merger review by the European Commission and other enforcement agencies. He also counsels companies on internal and external investigations of business conduct and related litigation to address allegations of abuse of dominance, anti-competitive agreements and practices, and cartel behavior, including applications for immunity and leniency.

Jonas is a long-standing nongovernmental adviser to the International Competition Network (ICN), and currently advises the European Commission. Jonas lectures in competition law at the Brussels School of Competition and has published extensively on international antitrust law.