US tightens net on merger reporting

The Hart-Scott-Rodino Act has been the cornerstone of merger control in the US for 25 years. But revisions made to the Act this year will change the threshold at which mergers need to be reported in an attempt to bring more consolidations in the high-tech sector under the control of the federal authorities. James Lowe of Wilmer, Cutler & Pickering, Washington, DC examines the changes to the notification regime