Kelley v. Maryland

Opinion summary

Etalia.ai summary of the majority opinion

The case involved a dispute over the application of Maryland's tax laws to certain transactions. The petitioner, Kelley, challenged the state's authority to impose taxes on sales made by out-of-state sellers who did not have a physical presence in Maryland but engaged in business with residents through mail and other means. The Supreme Court examined whether such taxation violated the Commerce Clause of the U.S. Constitution, which grants Congress exclusive power over interstate commerce. Ultimately, the Court upheld Maryland's right to levy these taxes under its state law framework, emphasizing that states could impose obligations on businesses benefiting from their markets even if those businesses operated primarily outside state borders.