Washington Attorneys 729 15th St NW # 800 deKieffer and Horgan is an international trade law firm. Since 1993, deKieffer and Horgan has provided legal counsel to over 500 domestic and international clients involved in international trade. Areas of concern to our clients include the imposition of U.S. customs duties on imported merchandise, the application of U.S. export controls to shipments abroad, U.S. regulation of Washington DC Attorneys De Kieffer and Horgan www.dhlaw.com Donald deKieffer Kevin Horgan John Kenkel Gregory Menegaz Judith Holdsworth Marc Montalbine Frank Orban International Law Customs Antidumping Countervailing Duties ITC Section 337 Antidiversion Anticounterfeiting Protection of U.S. Int Donald deKieffer Kevin Horgan John Kenkel Gregory Menegaz Judith Holdsworth Marc Montalbine Frank Orban International Law Customs Antidumping Countervailing Duties ITC Section 337 Antidiversion Anticounterfeiting Protection of U.S. Int Business Reviews De Kieffer and Horgan Testimonials