The U.S. Supreme Court case Illinois Central Railroad Company et al. v. Williams in 1916 revolved around a dispute over the interpretation of an interstate commerce law regarding freight rates and charges by railroad companies, specifically whether they were reasonable or discriminatory under the Interstate Commerce Act (ICA). The plaintiff, Williams, was a shipper who claimed that he had been charged excessive rates for shipping goods via the Illinois Central Railroad Company's lines compared to other shippers on similar routes within Tennessee state boundaries. He sought reparations from both federal and state courts but was denied relief at each level due to jurisdictional issues concerning intrastate versus interstate commerce regulation. The Supreme Court ruled in favor of the railroad company stating that while it is true that Congress has power over interstate commerce through ICA, this does not extend to purely internal or local traffic within states unless such traffic directly burdens or obstructs interstate trade - which wasn't proven in this case. Thus, any alleged discrimination against Williams fell outside federal purview as his shipments were entirely intrastate; hence no violation of ICA occurred according to their judgment.

In the dissenting opinion for Illinois Central Railroad Company et al. v. Williams, Justice Holmes disagreed with the majority's decision to uphold a state law that allowed railroads to be sued in any county through which their lines passed, even if they did not have an office or agent there. He argued that this interpretation of jurisdiction was overly broad and unfair to corporations, as it could potentially subject them to lawsuits in numerous locations simultaneously. Furthermore, he contended that such a rule would make it difficult for companies to predict where they might face legal action and plan accordingly. This unpredictability could discourage businesses from expanding into new areas due to fear of increased legal exposure.