On 6 March 2018, the Court of Justice of the European Union (“CJEU“) issued its long-awaited decision in the Achmea case (C-284/16) between the Slovak Republic and Dutch insurer Achmea BV. In Achmea, the CJEU found investor-state dispute settlement provisions in investment treaties concluded between EU Member States (“intra-EU BITs“) to be incompatible with EU law….