Description
A&M Records, Inc. v. Napster, Inc., 239 F.3d 1004 was a landmark intellectual property case in which the United States Court of Appeals for the Ninth Circuit affirmed a district court ruling that the defendant, peer-to-peer file sharing service Napster, could be held liable for contributory infringement and vicarious infringement of copyright. This was the first major case to address the application of copyright laws to peer-to-peer file sharing.