The United States Supreme Court case, UNITED STATES v. ATLANTIC REFINING CO. et al., 1958, revolved around the interpretation of a statute related to oil price regulation during World War II and its aftermath. The Atlantic Refining Company and other oil companies were accused by the U.S government of overcharging for petroleum products sold between March 1943 and April 1947. The defendants argued that they had complied with regulations set forth by the Office of Price Administration (OPA), which allowed them to calculate prices based on their costs as long as these did not exceed ceiling prices established in OPA's Maximum Price Regulation No. 340. However, the government claimed that this method was incorrect because it included federal taxes paid by producers – an element not considered when setting maximum prices under Regulation No. 340 - leading to higher charges than permitted under law. The Supreme Court ruled in favor of the government stating that including such tax payments while calculating selling price violated both letter and spirit of wartime pricing laws aimed at preventing inflationary pressures due to war-related shortages.

In the dissenting opinion for United States v. Atlantic Refining Co., Justice Brennan disagreed with the majority's interpretation of Section 15(a) of the Interstate Commerce Act. He argued that it was not Congress' intention to allow private shippers to sue carriers for reparations based on rates approved by the Interstate Commerce Commission (ICC). Instead, he believed that such suits should only be allowed if there is a finding by ICC itself that these rates were unreasonable or discriminatory. The justice emphasized his concern over potential floodgates being opened for litigation and warned about undermining ICC’s authority in rate regulation matters. Furthermore, he expressed concerns about courts having to decide complex economic issues without proper expertise or guidance from regulatory agencies like ICC.