English Court rejects Ukraine’s attempt to set aside enforcement order on grounds of state immunity

The English Court (the “Court“) has dismissed an application by Ukraine to set aside a court order permitting Russian investor, PAO Tatneft, to enforce an arbitral award against Ukraine.  Ukraine argued that it was immune from the Court’s jurisdiction by virtue of the State Immunity Act 1978. The Court found that Ukraine had not waived its right to rely on state immunity arguments, despite not having raising them in the arbitration. However, it found that Ukraine had agreed to submit the disputes in question to arbitration under the Russia-Ukraine Bilateral Investment Treaty (the “BIT“) and was therefore not immune from proceedings in connection with the arbitration by virtue of s9(1) of the State Immunity Act 1978 (“SIA“).

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