Intellectual Property:

U.S. Patent and Trademark Office
U.S. Copyright Office
U.S. Customs and Border Protection
Office for Harmonization in the Internal Market (European Community Trademark Office)
Internet Corporation for Assigned Names and Numbers (ICANN)
International Trademark Association

International Trade:

U.S. Department of Commerce, Bureau of Industry and Security
U.S. Department of State, Directorate of Defense Trade Controls
U.S. Department of the Treasury, Office of Foreign Assets Control
U.S. Department of Defense, Defense Technology Security Administration