Case C-581/22 P: Judgment of the Court (First Chamber) of 4 October 2024 – thyssenkrupp AG v European Commission (Appeal – Competition – Regulation (EC) No 139/2004 – Concentration between undertak...

Official Journal of the European Union C/2025/1200 3.3.2025 EN C series Judgment of the Court (First Chamber) of 4 October 2024 – thyssenkrupp AG v European Commission (Case C-581/22 P) (1) (Appeal – Competition – Regulation (EC) No 139/2004 – Concentration between undertakings – Decision declaring the concentration incompatible with the internal market and the functioning of the EEA Agreement – Determination of the relevant markets – Significant impediment to effective competition – Creation or strengthening of a dominant position – Non-coordinated effects – Standard of proof – Concepts of ‘important competitive force’ and ‘close competitors’ – Closeness of competition between the merging parties – Herfindahl-Hirschmann Index – Requests for information – Distortion) (C/2025/1200) Language of the case: English Parties Appellant: thyssenkrupp AG (represented by: M. Klusmann, O. Schley and J. Ziebarth, Rechtsanwälte) Other party to the proceedings: European Commission (represented initially by G. Conte, T. Franchoo, C. Sjödin and I. Zaloguin, and subsequently by G. Conte, T. Franchoo and I. Zaloguin, acting as Agents) Operative part of the judgment The Court: 1. Dismisses the appeal; 2. Orders thyssenkrupp AG to pay the costs. (1) OJ C 398, 17.10.2022. ELI: http://data.europa.eu/eli/C/2025/1200/oj 1/1