The American Chicle Co. v. United States case in 1941 revolved around the issue of tax deductions for advertising expenses incurred by a company during its business operations. The American Chicle Company, a chewing gum manufacturer, sought to deduct from their gross income the cost of providing free samples as part of their advertising efforts under Section 23(a) of the Revenue Act which allows deductions for "ordinary and necessary" business expenses. However, this was denied by the Commissioner on grounds that these were capital expenditures rather than ordinary and necessary expenses since they resulted in an enduring benefit to the company's brand reputation beyond just one year. The Supreme Court ruled against American Chicle Co., upholding lower court decisions that such costs could not be deducted as ordinary and necessary business expense but should instead be treated as capital expenditure because it brought about significant long-term benefits to the firm’s goodwill or brand name recognition among consumers.

In the dissenting opinion for American Chicle Co. v. United States, it was argued that the majority's interpretation of Section 3 of the Robinson-Patman Act was too broad and inconsistent with its legislative intent. The dissenting justices believed that this section should only apply to situations where price discrimination had a substantial effect on competition or tended to create a monopoly, not merely when there were differences in prices between different purchasers as interpreted by the majority. They contended that such an expansive reading could potentially criminalize normal business practices and stifle healthy competition rather than promote it as intended by Congress. Furthermore, they disagreed with how evidence was evaluated in this case, arguing that more weight should have been given to factors indicating no harm done to competition due to these pricing disparities.