447 U.S. 557 (1980)
Central Hudson Gas & Electric Corp. v.
Does the New York Public Service Commission's regulation prohibiting promotional advertising by electric utilities violate the First Amendment's protection of commercial speech?
The Supreme Court established a four-part test for determining whether a regulation of commercial speech is constitutional. The test assesses: (1) whether the speech is protected by the First Amendment; (2) whether the government has a substantial interest in regulating the speech; (3) whether the regulation directly advances that interest; and (4) whether the regulation is more extensive than necessary to serve that interest.
The Supreme Court held that the New York Public Service Commission's regulation prohibiting promotional advertising by electric utilities was unconstitutional under the First Amendment. The Court found that the regulation failed to satisfy the four-part test for commercial speech, particularly because it did not directly advance the government's substantial interest in energy conservation and was more extensive than necessary to achieve that goal.
Central Hudson Gas & Electric Corp. v. Public Service Commission is a pivotal case in the realm of constitutional law, particularly regarding the regulation of commercial speech. The four-part test established by the Court has been widely adopted in subsequent cases, providing a clear framework for evaluating the constitutionality of government restrictions on commercial speech. This case has influenced numerous decisions involving advertising, marketing, and other forms of commercial communication, shaping the legal landscape for businesses and regulators alike.