"145. We therefore conclude and find that OFCOM erred in its determination as to the existence of significant market power because it did not carry out a full assessment of the extent to which BT had countervailing buyer power. Our powers and duties include the following under section 195 of the 2003 Act: "(3) The Tribunal's decision must include a decision as to what (if any) is the appropriate action for the decision-maker to take in relation to the subject-matter of the decision under appeal."
"(i) The Respondent's decision dated1 June 2004 is remitted to the Respondent for reconsideration as to whether the Appellant has significant market power in the market for mobile wholesale voice call termination on the Appellant's network taking into account the extent to which countervailing buyer power exists in the Intervener and any other matters as are relevant at the time of the Respondent's reconsideration; (ii) The Respondent's reconsideration shall take account of the Judgment."
"Cases involving regulated industries where the costs of statutory regulation are recovered, in one way or another, from the industry itself may also raise separate issues"
" Costs 55.-(1) For the purposes of these rules 'costs' means costs and expenses recoverable before the Supreme Court of England and Wales …. (2) The Tribunal may at its discretion, subject to paragraph (3), at any stage of the proceedings make any order it thinks fit in relation to the payment of costs by one party to another in respect of the whole or part of the proceedings and in determining how much the party is required to pay, the Tribunal may take account of the conduct of all parties in relation to the proceedings. (3) Any party against whom an order for costs is made shall, if the Tribunal so directs, pay to any other party a lump sum by way of costs, or all or such proportion of the costs as may be just. The Tribunal may assess the sum to be paid pursuant to any order under paragraph (1), (2) or (3) or may direct that it be assessed by the President, a chairman or the Registrar, or dealt with by the detailed assessment of a costs officer of the Supreme Court …."
"An undertaking shall be deemed to have significant market power if, either individually or jointly with others, it enjoys a position equivalent to dominance, that is to say a position of economic strength affording the power to behave to an appreciable extent independently of competitors, customers and ultimately consumers "