In 1935 the National Society of Professional Engineers was organized to address the nontechnical aspects of engineering practice. This included promotion of the professional, social, and economic interests of its members. The Society has 69,000 members residing throughout the United States and in some foreign countries. Approximately 12,000 members are consulting engineers who offer services to governmental, industrial, and private clients.
In July 1964 the Society adopted Section 11(c) of its Code of Ethics. This section prohibits engineers from soliciting or submitting engineering proposals on the basis of competitive bidding. The provision defines competitive bidding as the formal or informal submission or receipt of verbal or written estimates of cost or proposals in terms of dollars, man days of work, percentage of construction cost, or any other measure allowing a prospective client to compare engineering services on a price basis prior to selection of an engineer.
The Society's Board of Ethical Review has uniformly interpreted the ethical rules as prohibiting submission of any form of price information to a prospective customer that would enable price comparison on engineering services. If a client requires such information, the firm must withdraw from consideration. This preserves the traditional method under which a client initially selects an engineer on the basis of background and reputation rather than price, after which the parties may negotiate a fee.
Engineering fees amount to well over $2 billion each year. They constitute about 5 percent of total construction costs. In any given facility, 50 to 80 percent of the cost of construction results directly from engineering work. In 1972 the United States filed a civil antitrust complaint against the Society in the District Court. The complaint alleged that members had agreed to abide by canons prohibiting submission of competitive bids for engineering services. It claimed this suppressed price competition and deprived customers of the benefits of free and open competition. The complaint prayed for an injunction terminating the agreement.
In its answer the Society admitted the essential facts alleged but asserted that the ethical standard was reasonable because competition among professional engineers was contrary to the public interest. Competitive pressure would lead engineers to design inefficient and unnecessarily expensive structures and methods of construction, endangering public health, safety, and welfare. The parties compiled a voluminous discovery and trial record. The District Court made detailed findings about the engineering profession, the Society, its members' participation in interstate commerce, the history of the ban on competitive bidding, and incidents in which the ban appears to have been violated or enforced. The court made no finding on whether or to what extent competition had led to inferior engineering work adversely affecting public health, safety, or welfare.
The District Court concluded that the prohibition was on its face a violation of Section 1 of the Sherman Act. After the initial judgment was vacated for reconsideration in light of Goldfarb v. Virginia State Bar and re-entered, the Court of Appeals affirmed. The Supreme Court granted certiorari to decide whether the District Court should have considered the factual basis for the proffered justification before rejecting it.
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