The Corona Coal Company v. United States case in 1923 revolved around the issue of whether or not a coal company could be held liable for price-fixing under the Sherman Antitrust Act. The Corona Coal Company, along with several other companies, had formed an association to control and regulate the prices of coal being sold on their behalf by sales agents. The U.S government argued that this was a violation of antitrust laws as it restrained trade and suppressed competition in interstate commerce. However, the Supreme Court ruled in favor of Corona Coal Company stating that these actions did not constitute restraint of trade within meaning of Sherman Act since they were merely cooperative efforts among producers to sell their products at fair prices without any intent to monopolize or restrain competition.

In the dissenting opinion for Corona Coal Company v. United States, the justice disagreed with the majority's interpretation of the Clayton Act. The justice argued that Congress intended to allow labor unions and agricultural organizations to exist without being subject to antitrust laws, but not at the expense of other businesses' rights or interests. He believed that allowing a union to monopolize labor would infringe upon employers' rights and disrupt free competition in violation of antitrust laws. Furthermore, he contended that if Congress had intended such an exemption from these laws for unions, it would have explicitly stated so in legislation rather than leaving it up to judicial interpretation. Therefore, he concluded that any actions taken by a union which violated antitrust law should be considered illegal regardless of their status as a labor organization.