International Arbitration: No State Immunity Defence Against Registration of ICSID Awards in English Courts

In a judgment given on Wednesday 4 March 2026, the UK Supreme Court (the Supreme Court) ruled that: Accordingly, claimants in the arbitral proceedings were entitled to have the underlying ICSID arbitration awards registered as final judgements against those states by the High Court of England & Wales (the High Court).... By: Akin Gump Strauss Hauer & Feld LLP