TalkTalk v Ofcom – the Court of Appeal stresses that market definition is a tool not an end

From Competition Bulletin: TalkTalk v Ofcom – the Court of Appeal stresses that market definition is a tool not an end


“The Court of Appeal, in TalkTalk v Ofcom [2013] EWCA Civ 1318, recently gave an important reminder to all competition practitioners that market definitions are a tool rather than an end: what matters is substance not form. The facts of the case were relatively simple.  Ofcom conducted a market review for wholesale broadband access and, […]”