On 27 November 2020, the U.K. Supreme Court in Halliburton Company v. Chubb Bermuda Insurance Ltd (formerly known as Ace Bermuda Insurance Ltd) [2020] UKSC 48 ruled on the approach under English law to determining whether an arbitrator’s failure to make disclosure of appointments in multiple arbitrations with overlapping subject matter and only one common…

On 20 January 2020, the Court of Appeal delivered its judgment in Kabab-Ji SAL (Lebanon) v. Kout Food Group (Kuwait) [2020] EWCA Civ 6. This post will focus on the Court’s findings on “no oral modification” (“NOM”) clauses and the impact that such clauses have on whether non-signatories to a commercial contract can be bound…

The award in Serafín García Armas and others v. Venezuela (PCA Case No.2013-3) (administered under the 1976 UNCITRAL Rules) was released in April 2019. This post refers to two decisions by Mr. Hugo Siblesz on challenges brought by Venezuela to the claimants’ appointment of Prof. Guido Tawil as party-appointed arbitrator. Mr. Siblesz was acting in…