Halliburton Company v Chubb Bermuda Insurance Ltd (Formerly
known as Ace Bermuda Insurance Ltd) [2020] UKSC 48
On appeal from [2018] EWCA Civ 817
Introduction
On 27 November 2020, the UK Supreme Court delivered its judgment
in the case of Halliburton Company v Chubb Bermuda Insurance Ltd
(formerly known as Ace Bermuda Insurance Ltd) [2020] UKSC 48. This
case concerned arbitrator apparent bias, and the duty of an
arbitrator to disclose information that may lead to doubts relating
to their impartiality, specifically where they were appointed in a
number of arbitrations with the same or overlapping subject matters
and only one common party.
Background
Halliburton (the Appellant) provided cementing and
well-monitoring services for Deepwater Horizon, to BP Exploration
and Production Inc. (BP). Halliburton held an insurance policy with
Chubb Bermuda Insurance Ltd (Chubb). Transocean Ltd (Transocean)
was the owner of the oil rig, and leased this to BP. Transocean
