How Indispensable is the Indispensability Criterion in Cases of Refusal to Supply Competitors by Dominant Companies? (Slovak Telekom, C-165/19 P)

The recent judgment of the Court of Justice of the EU in Slovak Telekom is a judgment with significant implications. This article  summarises the main lessons from Slovak Telecom as regards the indispensability criterion in cases of refusal to supply competitors by dominant companies, and speculates on some likely consequences for pending and future cases.