Introduction Unlike previous decisions dealing with mass claims in investment treaty arbitration, the Decision on Jurisdiction and Admissibility of 7 February 2020 in Theodoros Adamakopoulos and others v. Republic of Cyprus, ICSID Case No. ARB/15/49 (hereinafter ‘Decision’), has not attracted much attention. The majority (Donald M. McRae and Alejandro Escobar) accepted…

As recently reported, Croatia has blocked the opening of Chapters 23 and 24 of the accession negotiations between Serbia and the European Union (EU). One of the reasons given relates to Serbia’s law establishing the jurisdiction of Serbian prosecutors and courts over war crimes committed anywhere on the territory of the former Yugoslavia. Justifying their actions, Croatian…