The Opinion delivered on 19 September 2017 by Advocate General Wathelet in the case C-284/16 Achmea has already been widely commented on in the international arbitration community. The views are either critical or approving, but so far, they have mostly been focused on whether a particular legal point made by the Advocate General was right…

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…