A party who has already exercised rights of judicial review of an arbitral award under the Commercial Arbitration Act 1986 (ACT) is Anshun-estopped from raising new jurisdictional arguments at the enforcement stage where those arguments could have been raised in the earlier review proceedings, even if based on evidence said to be newly discovered, where that evidence was available on the public record. In quantum meruit claims, the identity of the original contracting party may be of diminished significance.
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