Arbitrators: Impartiality and the duty to disclose overlapping appointments
The Supreme Court has recently published its long-awaited judgment1 in Halliburton Company v Chubb Bermuda Insurance Ltd [2020] UKSC 48, which provides guidance on whether an arbitrator's appointment to multiple arbitrations involving overlapping subject matter and parties may give rise to the appearance of bias on the part of the arbitrator, and the circumstances in which such appointments need to be disclosed to parties unaware of the overlap.