Hugo Black

“ We need not decide, however, whether such truly complete involvement and participation in a monopolistic scheme could ever be a basis, wholly apart from the idea of in pari delicto, for barring a plaintiff's cause of action, for in the present case the factual picture respondents attempt to paint is utterly refuted by the record. One of the restrictions which petitioners most strenuously challenge is the requirement that dealers purchase their supplies exclusively from Midas. ”

“ Petitioners had all made enormous profits as Midas dealers, had eagerly sought to acquire additional franchises, and had voluntarily entered into additional franchise agreements, all while fully aware of the restrictions they now challenge. Under these circumstances, the Court of Appeals concluded, ' (i) t would be difficult to visualize a case more appropriate for the application of the pari delicto doctrine.' 376 F.2d, at 699.
We find ourselves in complete disagreement with the Court of Appeals. ”

“ Although petitioners may be subject to some criticism for having taken any part in respondents' allegedly illegal scheme and for eagerly seeking more franchises and more profits, their participation was not voluntary in any meaningful sense. They sought the franchises enthusiastically but they did not actively seek each and every clause of the agreement. ”

“ Respondent International Parts has been in the business of manufacturing automobile mufflers and other exhaust system parts since 1938. In 1955 the owners of International initiated a detailed plan for promoting the sale of mufflers by extensively advertising the 'Midas' trade name and establishing a nationwide chain of dealers who would specialize in selling exhaust system equipment. ”