Felix is an associate in the firm’s Antitrust and Competition Practice Group. He advises German and international clients on German and EU antitrust law. Another focus of Felix’s practice is advising clients on matters relating to German and EU administrative and constitutional law as well as on public international law.

Felix joined WilmerHale in 2022. Prior to joining the firm, he clerked at the International Court of Justice in The Hague. Felix received his LL.M. at NYU Law as a Hauser Global Scholar, Fulbright Scholar and ERP Scholar of the Studienstiftung des deutschen Volkes (German Academic Scholarship Foundation). During his judicial service training, Felix worked inter alia at the German Federal Chancellery and several major international law firms.

Felix is a member of the Studienvereinigung Kartellrecht (German Antitrust Lawyers’ Association). He has published on public international law, including serving as an Assistant Editor of the 3rd edition of the leading commentary on the Statute of the International Court of Justice and publishing in the Journal of International Criminal Justice.

Selected Publications

‘State Transparency’ in Thomas Cottier & Krista Nadakavukaren Schefer (eds), Encyclopedia of International Economic Law (2nd edn, Elgar 2023) (with Stephan Schill)

Assistant Editor, Andreas Zimmermann & Christian Tams (eds), The Statute of the International Court of Justice: A Commentary (3rd edn, Oxford University Press 2019)

‘Bringing States to Justice for Crimes against Humanity: The Compromissory Clause in the International Law Commission Draft Convention on Crimes against Humanity’ (2018) 16 Journal of International Criminal Justice 835 (with Andreas Zimmermann)


  • Education

    • Second State Exam, Berlin Court of Appeals, 2022

    • LLM, New York University School of Law, 2019

      Hauser Global Scholar, Fulbright Scholar, ERP Scholar of the German Academic Scholarship Foundation
    • First State Exam, Universität Heidelberg, 2016

    • University of Ottawa, 2013–2014

  • Admissions

    • Berlin

  • Clerkships

    • H.E. Judge Giorgio Gaja, International Court of Justice, 2019 - 2020