The Central Trust Company v. Central Trust Company of Illinois case in 1909 was a dispute over the use of similar names by two separate banking institutions, one based in New York and the other in Illinois. The plaintiff, Central Trust Company of New York, sought to prevent the defendant, Central Trust Company of Illinois from using its name on grounds that it could potentially cause confusion among customers and harm their business reputation. However, the Supreme Court ruled against this argument stating that since both companies operated within different states with no overlapping territories or clientele base there would be minimal chance for confusion between them. Furthermore, as both businesses were chartered under state law which allowed them to operate under these names within their respective jurisdictions they had legal rights to do so. Therefore, unless clear evidence could be provided showing potential damage due to name similarities an injunction couldn't be granted.

The dissenting opinion in the case of Central Trust Company v. Central Trust Company of Illinois, 1909, argued that the majority's decision to uphold a lower court ruling was incorrect due to an erroneous interpretation of state law. The dissent contended that the plaintiff had not been given adequate opportunity to present evidence and make their case before judgment was passed. Furthermore, they disagreed with the majority's view on jurisdictional matters and believed that it should have been considered more thoroughly by both parties involved in this dispute over corporate rights and property ownership. They also expressed concern about potential implications for future cases involving similar issues if this precedent were allowed to stand unchallenged.