By a Final Award dated 27 October 2015 (see ICSID Case No. ARB/11/33 – Adel A Hamadi Al Tamimi v. Sultanate of Oman), an international tribunal constituted under the International Convention for Settlement of Investment Disputes (ICSID), also commonly referred to as the Washington Convention, dismissed all claims brought by a US national against the…

Whereas cases of direct expropriation have become relatively rare in international investment arbitration and claims of breach of fair and equitable treatment obligation or indirect expropriation are currently more common, the profile of respondents in ICSID arbitration proceedings has also changed. However, if both investors and host governments are likely to agree that States may…