sentences:  The US Supreme Court has used the Chicago School approach in several recent cases.One view of the Chicago School approach to antitrust is found in United States Circuit Court of Appeals Judge Richard Posner's books"Antitrust law" and "Economic Analysis of Law" Posner once worked in the Department of Justice's antitrust division, has long been a professor at the University of Chicago Law School, and is likely the most widely cited antitrust scholar and jurist in the United States.Robert Bork was highly critical of court decisions on United States antitrust law in a series of law review articles and his book "The Antitrust Paradox".