Case C-152/19 P: Judgment of the Court (Third Chamber) of 25 March 2021 — Deutsche Telekom AG v European Commission, Slovanet a.s. (Appeal — Competition — Article 102 TFEU — Abuse of dominant position — Slovak market for broadband internet access services — Regulatory obligation on the part of operators with significant market power to grant access to the local loop — Conditions laid down by the incumbent operator for unbundled access by other operators to the local loop — Indispensability of the access — Imputability of a subsidiary’s conduct to the parent company — Rights of the defence)