402 U.S. 146 (1971)
Perez v. United States is a pivotal case that addresses the scope of Congress's commerce authority under the Commerce Clause of the U.S.
Does Congress have the authority under the Commerce Clause to regulate local activities that have a substantial effect on interstate commerce?
The Supreme Court held that Congress has broad authority under the Commerce Clause to regulate activities that, while local in nature, could substantially affect interstate commerce. This interpretation aligns with the precedent set in earlier cases, which established that the cumulative effect of local activities on interstate commerce could justify federal regulation.
The Supreme Court affirmed the lower court's decision, holding that the federal statute prohibiting loan sharking was constitutional and within Congress's authority under the Commerce Clause. The Court reasoned that the activities regulated by the statute, although local, had a significant impact on interstate commerce, thus justifying federal intervention.
Perez v. United States is significant for law students as it illustrates the expansive nature of the Commerce Clause and its implications for federal regulatory power. The case has been cited in numerous subsequent decisions, reinforcing the principle that Congress can regulate local activities that have a substantial effect on interstate commerce. This case is often referenced in discussions about the limits of federal authority and the balance of power between state and federal governments.