Introduction: an overview of the reformed Enterprise Act regime; Jurisdiction of the CMA; Phase 1: procedure; Phase 1: the CMA's duty to open a Phase 2 investigation and remedies in lieu of a Phase 2investigation; Phase 2: procedure; Phase 2: final remedies; The economic assessment of substantial lessening of competition; The public interest merger regime; Lobbying; Review by the Competition Appeal Tribunal; Conclusions.
