Argyris Papaefthymiou


Full Biography

Argyris focuses on EU and Greek competition law, including cartel and abuse of dominance investigations, merger control, horizontal and vertical agreements, and state aid. He has a dual background in law and economics, and regularly advises on behavioural and transactional competition law matters involving complex economic assessments.

Prior to joining our firm, Argyris worked on EU competition law matters with two Brussels-based law firms. He has also worked on state aid matters at the European Commission’s Directorate-General for Competition.

Argyris is admitted before the Court of First Instance. He was admitted to the Athens Bar in 2016 and joined our firm in 2020. 


  • Graduate Institute of International and Development Studies, Geneva (Master in International Economics – 2019)

  • Athens University of Economics and Business (M.Sc., International Economics and Finance – 2017)

  • University of Athens (LL.M., International Legal Studies – 2016)

  • Democritus University of Thrace, Faculty of Law (LL.B., 2014)


  • Greek 

  • English 

  • German