In the case of Swayne Co., Inc. v. Sunkist Growers, Inc., 1967, the U.S Supreme Court ruled in favor of Sunkist Growers. The issue at hand was whether or not a cooperative organization like Sunkist could legally use its trademark to control and limit who can sell products under that mark. The court held that it is lawful for such an organization to grant exclusive licenses to use its trademark on goods produced by members and sold by licensees, as long as those goods meet certain standards set by the association itself. Swayne Co., a fruit distributor had sued alleging violation of antitrust laws because they were denied permission from using the "Sunkist" label due to their refusal to comply with quality standards imposed by Sunkist Growers - which led them being unable to compete fairly in selling citrus fruits. The decision established important precedent regarding trademarks rights and usage within cooperative organizations while also addressing concerns about potential anti-competitive practices.

The dissenting opinion in the Swayne Co., Inc. v. Sunkist Growers, Inc. case argued that the majority's decision to allow a cooperative marketing association to use its collective power for advertising purposes was inconsistent with antitrust laws and could potentially lead to monopolistic practices. The dissent emphasized that while cooperatives are allowed certain exemptions under the Capper-Volstead Act, these should not extend to activities such as advertising which can be used as a tool for price manipulation and market control. They also expressed concern about potential harm caused by allowing large cooperatives like Sunkist Growers, Inc., who already have significant influence over their respective markets, even more power through unrestricted advertising capabilities.