I. Introduction On 19 September 2017 the Advocate General (AG) to the Court of Justice to the European Union (CJEU) Melchior Wathelet delivered his long-awaited Opinion in Case C-284/16 Slowakische Republik v Achmea BV. As already explained in another post, Bundesgerichtshof (“German Federal Court of Justice”) requested a preliminary ruling from the CJEU on the…

Introduction The investment solar energy saga triggered by the regulatory reforms in the renewable energy undertaken by Spain and Italy is likely to be the new Black Swan in the investment arbitration world, reaching the importance and controversy of the Argentinian crisis of 2001. In addition, the question whether the ISDS system has learnt the…