Folsom v. Marsh, 9. F.Cas. 342 (C.C.D. Mass. 1841) is a 19th-century US copyright case, widely regarded as the first "fair use" case in the United States. The opinion was written by Judge Joseph Story, who set forth four factors that are in use today, and were ultimately codified in the Copyright Act of 1976 as 17 U.S.C. § 107. The Reverend Charles Wentworth Upham, a writer and anthologist, had copied 353 pages from the plaintiff's 12-volume biography of George Washington in order to produce a separate two-volume work of his own. The work was published by Bela Marsh, of .