In the 1943 case Shawkee Manufacturing Co. et al. v. Hartford-Empire Co., the United States Supreme Court ruled in favor of Hartford-Empire, a company that held patents for glass-making machinery and processes. The plaintiffs, several small glass manufacturers including Shawkee Manufacturing Company, had alleged that Hartford-Empire was using its patents to monopolize the industry and stifle competition in violation of antitrust laws. However, the court found no evidence of illegal monopoly or restraint of trade by Hartford Empire under Sherman Act (15 U.S.C.A §§ 1-7). Instead it concluded that any dominance enjoyed by Hartford-Empire resulted from lawful patent use rather than anti-competitive practices.

In the dissenting opinion for Shawkee Manufacturing Co. et al. v. Hartford-Empire Co., Justice Black argued that the majority's decision to uphold a patent monopoly was inconsistent with antitrust laws and detrimental to free competition in business. He contended that patents should not be used as tools for monopolistic control, but rather as incentives for innovation and progress, which he believed were undermined by this ruling. Furthermore, he criticized the court's reliance on complex legal technicalities instead of focusing on broader economic implications and public interest considerations in its judgment.