Telefonica O2 UK Ltd v British Telecommunications plc applied an extreme precautionary principle to a dynamic and competitive market, at odds with the Directives’ market-oriented and permissive approach. Lord Neuberger, Lord Mance, Lord Toulson and Lord Hodge agreed. Telefonica O2 UK Ltd v British Telecommunications plc Telefonica O2 UK Ltd v British Telecommunications plc [2014] UKSC 42 is a UK enterprise law, concerning telecommunications. Telefonica O2 UK Ltd argued that BT’s charges for connections and terminations were unlawful. BT’s Standard Interconnect Agreement was varied unilaterally in 2009 to change termination charges for 08 numbers, subject to a mobile operator’s right to object, and dispute resolution by Ofcom (unless
O2 (Ireland) their bills on time in August 2008. The Advertising Standards Authority upheld complaints concerning advertisements by O2. In August 2010, O2 was warned by the telecoms watchdog, ComReg, that it could not move customers to online billing without their explicit agreement. In March 2011, O2 pleaded guilty to a breach of the Data Protection Act at the Dublin District Court. In March 2011, it was revealed that Denis O'Brien made payments to the Minister for Communications, Michael Lowry, to aid Esat Digifone's licence bid. O2 (Ireland) Telefónica Ireland was a broadband and telecommunications provider in Ireland that traded under the