David R Aven v Costa Rica: The Confluence of Corporations, Public International Law and International Investment Law

This case note concerns David Aven v Costa Rica, which develops the jurisprudence of Urbaser v Argentina. Section I sets out the context, facts, claims, counterclaim and decision. In Section II, two legal issues from this case are highlighted: admissibility of counterclaims by way of investor obligations and investor environmental obligations. Section III reflects on the importance of key pronouncements in this case.