Example image of eyePlorer eyePlorer map for 'Idea-expression divide': Copyright Idea Baker v. Selden Bookkeeping Supreme Court of the United States Harper & Row v. Nation Enterprises Intellectual property Patent Adventure novel Art Genre Quest Claim (patent) Patentability Arthur C. Clarke Bell Labs Geosynchronous satellite Telecommunication United States Affirmative defense Copyright infringement United States federal courts Feist Publications v. Rural Telephone Service List of copyright case law Limitations and exceptions to copyright Abstraction-Filtration-Comparison test Apple Computer, Inc. v. Microsoft Corporation Public domain Merger doctrine Philosophy of copyright Fair use Substantial similarity Computer Associates Int. Inc. v. Altai Inc. Copyright Term Extension Act Religious Technology Center v. Netcom Ownership