state action doctrine
state-action doctrine. Antitrust. The principle that the antitrust laws do not prohibit a state’s anticompetitive acts, or official acts directed by a state. Parker v. Brown, 317 U.S. 341, 63 S.Ct. 307 (1943). — Also termed Parker doctrine. See MIDCAL TEST. [Cases: Monopolies 12(15.6). C.J.S. Monopolies §§ 136, 143.]