Case has been retained by one of the co-defendants in the prospective Elisabetta Sciallis collective proceeding order (CPO) application before the Competition Appeal Tribunal (CAT) arising from the UK Competition and Mergers Authority’s (CMA) ‘musical instruments’ infringement decision of 2019 which found that several musical instrument manufacturers engaged in resale price maintenance thereby committing a Chapter 1 prohibition under the UK Competition Act 1998 and/or infringing Article 101 TFEU.