1984, MJ Touponse, "Application of Copyright Law to Computer Operating System Programs: Apple Computer, Inc. v. Franklin" in Connecticut Law Review, page 665... The four criteria that Congress, courts, and theorists have traditionally employed to distinguish the copyrightable from the uncopyrightable are: ...
1994, R VerSteeg, "Jurimetric Copyright: Future Shock for the Visual Arts", in Cardozo Arts & Entertainment Law Journal, page 125... Keeton, however, resolved that it was the idea/expression dichotomy that forms the boundary line between the copyrightable and the uncopyrightable, ...
2001, R Amanda, "Elvis Karaoke Shakespeare and the Search for a Copyrightable Stage Directions", in Arizona Law Review, page 677.... to examine those director contributions that help create that overall feel and apply Judge Hand's abstractions test to filter out the uncopyrightable from the copyrightable ...