Links

United States Patent and Trademark Office (USPTO)
http://www.uspto.gov

United States Copyright Office, Library of Congress
http://www.copyright.gov/
                                                                
World Intellectual Property Organization(WIPO)
http://www.wipo.org

European Patent Office (EPO)
http://www.european-patent-office.org

Japan Patent Office
http://www.jpo.go.jp/

Rocky Mountain Inventors and Entrepreneurs Congress
http://www.rminventor.org/