Serving Clients Worldwide



Washington DC based Law Firm Serving Businesses Internationally

Established in 1977, our law firm provides legal services to domestic and foreign clients, offering a broad range of experience in business and commercial matters, regulatory affairs, legislative analysis, complex multi-jurisdictional litigation issues, strategic corporate planning, international trade analysis and other areas. Our clients include Fortune 100 companies, closely and publicly held corporations, limited liability companies, trade associations, general and limited partnerships, foundations and not-for-profit corporations, as well as individuals.

Many of our attorneys have more than 20 years of experience and have achieved preeminence in specific areas of law.

Jeff Lepon has lived and worked in Japan and has taught U.S. law school classes on the Japanese Legal System and Japanese law students about US commercial law. He has also been appointed to two presidential commissions dealing with U.S. – Japan relations.

David Holzworth is well-known for his representation of trade associations based in Spain and Chile whose members export produce to the United States. Most notably, he coordinated legal responses to one of the first terrorist attacks on the U.S. food supply and a multi-pronged legal strategy that lifted a U.S. imposed embargo arising from an alleged pest infestation. Mr. Holzworth also heads the firm's litigation practice, which has handled complex cases in federal and state courts throughout the United States.

Yoshi Kato counts among his clients the Japanese semiconductor industry, serving as principal counsel to the semiconductor board of the Japan Electronics and Information Technology Association.

Leslie Dellon was the Chapter Chair for 2004-2005, of the DC Chapter of the American Immigration Lawyers Association, which has more than 700 members in the District of Columbia, Virginia and Maryland.

Our attorneys and staff have multilingual abilities, excellent academic credentials and extensive experience in the legal field. Our lawyers have been adjunct professors, published authors, association Presidents, and non-profit organization Directors. As is befitting a legal office with international clients, we are multilingual and are fluent in Spanish, Japanese, Korean and Hindi.

Our attorneys and legal support staff handle all matters of business and commercial law including Administrative Law and Procedure, Agricultural Trade and Food Safety, Commercial / Corporate / Partnership Law, International Trade and Business Transactions, Immigration and Naturalization Law, Legislation and Litigation. Each of our practice areas is described on this website in the Practice Areas overview page.

Washington DC International Business Law Firm

Our law office is located in Washington DC, only blocks from Dupont Circle, and serves clients worldwide including those in Japan, Chile, Korea, China, Colombia, India and Europe. We provide our clients with a professional experience in a friendly atmosphere and would welcome the opportunity to discuss your legal needs. Please feel free to call or contact us to schedule an appointment.

The Washington, D.C. international trade and corporate law attorneys of Lepon Holzworth & Kato, PLLC, advise and represent overseas and domestic business clients with respect to imports, business formation and acquisition, federal regulations, administrative proceedings, legislative developments and immigration. We serve clients from Asia, Latin America, Europe, and the United States.


1225 19th Street NW | Suite 500 | Washington, DC 20036
P: (202) 857-0242 F: (202) 857-0189 E: Contact Us