PIL Masters seminar series 6 November 2023
Associate Professor II Johann Ruben Leiss will give a lecture on on Article 103 of the Charter of the United Nations and the discourse on fragmentation and constitutionalism in international law on the 6. November in Aud 6, Domus Academica, at 16:15.
The lecture will discuss the role and relevance of Article 103 of the Charter of the United Nations in the discourse on fragmentation and constitutionalism in international law. The lecture will provide an overview of recent cases in which an application of this provision was discusses, especially in the relationship between UN Charter law and human rights law. The lecture will show that Article 103 plays an important role as a residual rule in preserving the unity of international law under the umbrella of UN law. However, it will be shown, that the best application of Article 103 is no application at all. As such it serves as a rule of conflict avoidance, rather than establishing strict hierarchy in international law.
Johann Ruben Leiss is a lecturer at the Institute for Public Law at the Law Faculty of the University of Oslo. He is a CELL Education Fellow the Centre on Experiential Legal Learning (CELL). In 2022, Leiss was a guest researcher at PluriCourts – Centre for the Study of the Legitimate Roles of the Judiciary in the Global Order.
In autumn 2019/20, Leiss held the Chair of Public and International Law at the Georg-August-University G?ttingen as a deputy professor (Lehrstuhlvertreter). Leiss obtained his PhD from the University of Oslo in 2019 where he worked as a research Fellow and doctoral candidate from 2014. His Phd titled ‘Courts and Sources – On the Systemic Relevance of Article 38 ICJ Statute for ‘Global Adjudication’’ was supervised by Professor Mads Anden?s (Oslo) and Professor Andreas L. Paulus (University of G?ttingen, German Federal Constitutional Court). In 2015, he was a Visiting Research Fellow at the Lauterpacht Centre for International Law, University of Cambridge (UK), and Visiting Research Scholar at Jesus College.
In 2014, he obtained the German second state examination at the Highest Court in (Kammergericht) in Berlin. During his Referendariat he worked inter alia for the law firm Redeker/Sellner/Dahs, the German Foreign Ministry, and the German Federal Constitutional Court. In 2012, he obtained a Master in Comparative, European and International Laws from the European University Institute in Florence (EUI). He graduated from the Faculty of Law at the University of G?ttingen in 2011. Leiss worked as a Research assistant at the G?ttingen Institute of Public International and European Law, Chair of Professor Andreas L. Paulus and for the Joint Project “German Precursors to International Constitutionalism” between the Hebrew University (Jerusalem) and the University of G?ttingen.