Every year, federal and state courts put in place orders that regulate the prospective operations of certainly hundreds and probably thousands of large government and private enterprises. Injunctions and injunction-like settlement agreements-whether styled consent decrees, settlements, conditional dismissals, or some other more creative title-bind the activities of employers, polluters, competitors, lenders, creditors, property holders, schools, housing authorities, police departments, jails, prisons, nursing homes, and many others. The types of law underlying these cases multiply just as readily: consumer lending, environmental, employment, anti-discrimination, education, constitutional, and so on. Injunctive orders, whether reached by lit...