In the case of Iowa Beef Packers, Inc. v. Thompson et al., 1971, the U.S Supreme Court was asked to consider whether a state could regulate and tax meatpacking plants that processed both locally raised and out-of-state livestock. The court ruled in favor of Iowa Beef Packers (IBP), stating that states cannot discriminate against interstate commerce by imposing taxes or regulations on businesses involved in such trade. This decision upheld the Commerce Clause of the Constitution which gives Congress exclusive power over interstate commerce, thereby preventing individual states from interfering with this federal authority through taxation or regulation. The ruling also reinforced previous decisions affirming that businesses engaged in interstate commerce should not be subjected to potentially conflicting state laws and regulations.

In the dissenting opinion for the case of Iowa Beef Packers, Inc. v. Thompson et al., it was argued that the majority's decision to allow a state court to exercise jurisdiction over an out-of-state corporation based on its economic impact within the state could potentially lead to unfair and inconsistent results. The dissent expressed concern that this ruling would open up corporations to litigation in any state where their products are sold or used, regardless of whether they have any physical presence or direct business operations there. This could result in companies being subject to differing laws and regulations across states, creating uncertainty and potential hardship for businesses operating nationally or internationally. Furthermore, it was suggested that such broad interpretation of jurisdictional reach may violate due process rights by not providing sufficient notice or opportunity for companies to defend themselves effectively against legal claims brought in distant jurisdictions.