The EU Court of Justice annuls the Commission’s decision due to its failure to demonstrate sufficiently that trade between Member States has been affected by a manufacturer of cash registers but upholds the finding on dominance (Hugin)

JUDGMENT OF THE COURT OF 31 MAY 1979 [1] Hugin Kassaregister AB and Hugin Cash Registers Ltd v Commission of the European Communities "Spare parts for cash registers" Case 22/78* 1. To determine whether an undertaking occupies a dominant position it is necessary first to determine the relevant market. As regards the supply of spare parts it is necessary to ascertain, to that end, whether such supply constitutes a specific market or whether it forms part