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 (UK) 2016, the European Commission officially blocked the tie-up of O2 and Three, arguing that the merger would reduce consumer choice and lead to a higher cost of services. In September 2016, Telefónica appointed a number of investment banks to sell the business to investors, ahead of a stock market flotation. On 6 December 2018, a major disruption to the O2 network, caused by faulty software, left up to 32 million users (including those on MVNOs) without access to data services (on both 3G and 4G) for up to 24 hours. During the outage, some voice and text services suffered from