Order of the Vice-President of the Court of 7 December 2023.#Biocom California v Illumina Inc. and European Commission.#Appeal – Intervention – Competition – Concentrations – Pharmaceutical industry market – Decision declaring a concentration incompatible with the internal market and the functioning of the Agreement on the European Economic Area – Action for annulment – Association of undertakings active in the relevant sector with the purpose of defending the interests of its members – Interest in the result of the case.#Case C-523/23 P(I).