Required reading for anyone dealing with antitrust issues: Proposed revisions to the guidelines used by federal antitrust agencies to evaluate the competitive impact of mergers and compliance with U.S. antitrust law are now out for public comment.

Following a public comment period and a series of public workshops, the Federal Trade Commission and the Department of Justice have published proposed changes to their joint Horizontal Merger Guidelines that are intended to better reflect the way the agencies conduct merger reviews today.