THE REPUBLIC OF KAZAKHSTAN v ISTIL GROUP INC

[2006] 2 Lloyd's Rep. 370

QUEEN’S BENCH DIVISION (COMMERCIAL COURT)

Before Mr Justice David Steel

Arbitration - Jurisdiction - Arbitrators issuing partial award determining tribunal had substantive jurisdiction - Arbitrators subsequently issuing final award declaring previous award a nullity but confirming substantive jurisdiction - Whether arbitrators precluded from reconsidering issue of jurisdiction - Whether previous award a nullity - Whether respondent was original party to arbitration agreement - Whether respondent was liable by succession - Issue estoppel - Effect of earlier judicial proceedings - Whether parties entering into ad hoc agreement - Whether tribunal had substantive jurisdiction.