Merger control in the United Kingdom has recently entered a new phase in its development. The advent of the relevant aspects of the Enterprise Act 2002 has been welcomed as a "depoliticisation" of the regime. The role of the Secretary of State has been all but excised, and the substantive criteria against which mergers are assessed have been revised to offer formally a competition-based standard. Together with guidance published subsequently, the reforms also prescribe a range of new procedural guarantees for those parties affected under the regime. In addition, the EC merger control regime...