To promote the Progress of Science and useful Arts, by securing for limited Times to Authors and Inventors the exclusive Right to their respective Writings and Discoveries;

• Overview of Congress's Power Over Intellectual Property
• Federal Power Over Trademarks
• State Regulation of Intellectual Property
• Historical Background
  • English Origins of Intellectual Property Law
  • Framing and Ratification of Intellectual Property Clause
• Copyrights
  • Authorship, Writings, and Originality
  • Limited Times for Copyrights and the Progress of Science
  • Copyright and the First Amendment
• Patents
  • Inventorship and Utility
  • Patent-Eligible Subject Matter
  • Constitutional Constraints on Congress's Power Over Granted Patents