A & M Records Inc. v. Napster Inc. II

A&M Records (plaintiff) sued Napster (defendant) for contributory and vicarious copyright infringement based on its peer-to-peer program, which let users upload and download copyrighted music. The trial court found Napster likely liable and granted a preliminary injunction, which Napster appealed.

Whether the operator of a software program may be secondarily liable for copyright infringement where the program's users employ it to upload and share copyrighted music.