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20 years of experience in international dispute resolution

Daniel Müller

I have been working in international dispute settlement for twenty years. I have represented States as counsel and advocate on numerous occasions before international courts and tribunals, including the International Court of Justice, the International Tribunal for the Law of the Sea, the Iran-United States Claims Tribunal, the European Court of Human Rights, the Court of Justice of the European Union, as well as before arbitral tribunals constituted under Chapter VII of the United Nations Convention on the Law of the Sea and ad hoc arbitral tribunals. I have also represented investors in investor-State disputes before ICSID tribunals and before tribunals operating under the UNCITRAL Rules.


I worked in the International Arbitration and Public International Law Group of a leading international law firm. I also assisted Professeur Alain Pellet, a leading public international lawyer.


I have published extensively in leading journals and edited collective books on numerous topics of public international law, European law and international dispute settlement. I teach international law, investment law and arbitration, and European law in different Master programs at the Université d’Angers, the Université Paris Nanterre, and the Université Toulouse I Capitole.

  • PhD, Université Paris Nanterre & Humboldt-Universität zu Berlin, 2013

  • DEA Droit des relations économiques internationales et communautaires, Université Paris Nanterre, 1999

  • Maîtrise en droit, Université Paris Nanterre, 1998


  • Paris (avocat à la Cour), 2016


  • German

  • French

  • English


Working with Daniel is always a great pleasure. Professionally, he is a lawyer that one can trust — his assessment of factual situations, legal grounds and predicting winning possibilities are honest and based on convincing arguments. Personally, he is fun, open and reliable.

State Agent in an inter-State litigation

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