In the case of American Stevedores, Inc. v. Porello et al., 1946, the U.S Supreme Court was tasked with determining whether or not a stevedoring company could be held liable for injuries sustained by longshoremen while unloading a vessel owned by the United States government. The court ruled in favor of American Stevedores and reversed an earlier decision made by the lower courts that had found them responsible for damages under Section 33 of the Longshoremen's and Harbor Workers' Compensation Act (LHWCA). The majority opinion stated that as per LHWCA, liability should fall on employers only if they fail to secure compensation for their employees; however, in this case, it was established that American Stevedores had secured such compensation insurance coverage. Therefore, they were not directly liable for additional damages claimed due to negligence during operations.

In the dissenting opinion for American Stevedores, Inc. v. Porello et al., it was argued that the majority's decision to hold a stevedoring company liable for injuries sustained by an employee of another contractor on a ship under their control contradicted established principles of tort law and maritime liability. The dissent contended that there was no legal precedent or statutory basis for imposing such broad liability on the stevedoring company, especially given that they did not employ or supervise the injured worker directly. Furthermore, they disagreed with the majority's interpretation of "seaworthiness" as extending to conditions created by independent contractors working aboard ships, arguing this expanded definition went beyond what had been traditionally understood in maritime law. They also expressed concern about potential negative implications this ruling could have on future cases involving workplace accidents at sea.