United States Reference Sites

U.S. Patent Office Homepage
U.S. Patent Office Search Databases 
U.S. Trademark Office - Main Page
U.S. Patent Office – About Patents
U.S. Trademark Office Search Engine
U.S. Copyright Office
Licensing Executives Society
Association of University Technology Managers

International Reference Sites

European Patent Office – Homepage
European Patent Office - Search Engine
Japan Patent Office
The Trilateral Commission
Patent Cooperation Treaty Resources (WIPO) 
Berne Convention for Copyrights (WIPO) 
List of All Websites for National/Regional Patent Offices
Piper's Virtual Intellectual Property Library