J. B. Post’s page on U.S. map copyright litigation covers more than two centuries of case law. The earliest is Blunt v. Patten, an 1828 case involving a nautical survey; the latest is Alexandria Drafting Co. v. Amsterdam, a 1997 case involving “trap streets.” Exhaustive and, as Post disclaims, “written by a non-lawyer, to be read by other non-lawyers, and must not be considered in any way as an authoritative legal history.” Via MapHist.

Previously: Review: How to Lie with Maps; Copyright Traps.