Assimakis Komninos's practice focuses on complex cases of abuse of dominance, restrictive agreements and Phase I and Phase II merger control reviews. He represents clients before the European Courts, the European Commission, national competition authorities, national courts and international arbitration tribunals. He has argued both of the only two competition preliminary reference cases to the European Court of Justice (ECJ) from Greece.
Clients look to Assimakis for his proven track record and his ability to combine quietly resolving the most sensitive and complex investigations with aggressively litigating to achieve the necessary results. Chambers Global 2021 notes that he is "brilliant", giving "concrete advice and never hides behind legal words", while Legal 500 2020 lauds him for "his professionalism, proactive mentality and good communication ethos."
Assimakis has represented clients with excellent results in proceedings before the Albanian, Croatian, Cypriot, French, Greek, Kosovo, Lithuanian, Romanian, Russian and Slovenian competition authorities and Belgian, Bulgarian, Cypriot, French, Greek, Latvian, Spanish and Russian courts. He has particular experience in arbitration cases involving competition issues, and in private antitrust litigation cases in national courts.
Assimakis is a former Commissioner and Member of the Board of the Hellenic Competition Commission (HCC).
Assimakis is currently a visiting fellow of the Centre for Law and Governance in Europe at University College London (UCL), a visiting professor at the Université Catholique de Louvain (2020-2022) and a member of the Executive Committee of the Global Competition Law Centre (GCLC) at the College of Europe. He is a prolific writer on legal matters and often gives speeches and seminars on EU law, and is a non-governmental advisor to the International Competition Network (ICN).