CASE HUB ARCHIVED—this case hub reflects the position of the date of judgment of 12 May 2022; it is no longer maintained. See further, timeline. Case facts Outline Case C- 377/20 Servizio Elettrico Nazionale and Others—a national reference from Italy seeking clarification on various issues concerning the interpretation and application of Article 102 TFEU. Latest developments On 9 December 2021, the Court of Justice issued its judgment proposed (amongst other things) that when an undertaking loses the legal monopoly on a market, it must refrain, throughout the liberalisation phase of that market, from resorting to the means it had under its former monopoly, which, as such, are not available to its competitors, for the purpose of maintaining, other than on its own merits, a dominant position on the newly-liberalised market. The unbundled subsidiaries of that former monopoly undertaking had a special responsibility to refrain from any behaviour on the market that continued to be protected which was likely to harm an effective competitive