World Intellectual Property Organization (WIPO)
www.wipo.org
United States Patent and Trademark Office (USPTO)
www.uspto.gov
U.S. Copyright Office
www.copyright.gov
Internet Corporation For Assigned Names and Numbers (ICANN)
www.icann.org
Federal Trade Commission
www.ftc.gov
World Trade Organization
www.wto.org
European Patent Office
http://ep.espacenet.com