This article appeared in Entertainment Law & Finance, your monthly source for real-world news and strategy from major players in entertainment, contract and intellectual property law — serious analysis of the issues and case law that affect your practice.

On March 7, 1994, the U.S. Supreme Court decided for the first time that a parody may be a copyright fair use. In the 25 years that followed, the High Court’s unanimous 9-0 ruling in Campbell v. Acuff-Rose Inc., 510 U.S. 569 (1994), has been cited in more than 500 court decisions.