435 U.S. 679 98 S.Ct. 1355 5 L.Ed.2d 637 NATIONAL SOCIETY OF PROFESSIONAL ENGINEERS, Petitioner,v.UNITED STATES. No. 76-1767. Argued Jan. 18, 1978. Decided April 25, 1978. Syllabus The United States brought this civil antitrust suit against petitioner, the National Society of Professional Engineers, alleging that petitioner’s canon of ethics prohibiting its members from submitting competitive […]