In the case of Bakery & Pastry Drivers & Helpers Local 802 of the International Brotherhood of Teamsters et al. v. Wohl et al., the Supreme Court ruled in favor of a union's right to peacefully picket businesses during labor disputes, even if those businesses were not directly involved in said dispute. The court held that such picketing was protected by First Amendment rights and did not constitute an unlawful secondary boycott under New York state law as argued by Wohl, who owned a bakery targeted by the union's protests due to its dealings with another company engaged in a labor dispute with them. This decision reinforced unions' abilities to apply pressure on employers through peaceful protest and marked an important victory for organized labor at a time when many states had laws restricting such activities.

In the dissenting opinion for Bakery & Pastry Drivers & Helpers Local 802 of The International Brotherhood of Teamsters et al. v. Wohl et al., Justice Frankfurter argued that the majority's decision was an overreach and intrusion into state law matters, which should be left to local authorities to decide. He contended that federal courts should not interfere with a state's ability to regulate its own internal affairs unless there is a clear violation of constitutional rights or federal laws. In this case, he believed no such violation existed and thus saw no reason for the Supreme Court’s intervention in what he viewed as essentially a labor dispute under New York State jurisdiction. Furthermore, he expressed concern about potential negative implications on future cases involving labor disputes if federal courts were seen as too willing to intervene in these types of issues without proper justification.