Mark R. Ludwikowski

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Sandler, Travis & Rosenberg, P.A.

Areas of Practice

Bar associations

  • Customs and International Trade Bar Association - Chair, Publications Committee

Admitted to practice

  • Court of Appeals for the Federal Circuit
  • Court of International Trade

State Bar Memberships


The Columbus School of Law, Catholic University of America

Catholic University of America
B.A., Political Science and Business Administration

Jagiellonian University
International Business and Trade Summer Law Program

Photo of Mark R.  Ludwikowski

MARK R. LUDWIKOWSKI is a Member and Trade Remedies Practice Group leader of Sandler, Travis & Rosenberg, P.A., resident in the Washington, D.C., office. He also leads the Firm’s Hazardous Materials Compliance and Defense practice.

Mr. Ludwikowski focuses his practice on international trade and customs law and assists domestic and foreign companies with cross-border movement of goods and services. His goal is to bring efficient business solutions to his clients' global issues and improve their position in the context of trade actions. He also advises companies on structuring businesses to best position themselves in the U.S. and international markets.

Mr. Ludwikowski has successfully represented clients in trade remedy actions against imports from Argentina, China, Indonesia, Japan, Korea, Latvia, Mexico, Taiwan, Thailand, Vietnam and other countries. He has handled and advised companies on a wide variety of trade remedy investigations, including antidumping and countervailing duty cases, safeguard cases and Section 332 investigations on behalf of a wide array of industries (e.g., aluminum extrusions, cement, steel, tires, nails, wood flooring, furniture, boltless shelving, oil country tubular goods, plastic bags, cookware, silicon metal, polyester staple fiber, rice, honey and candles).

Mr. Ludwikowski also counsels clients on various aspects of customs transactional, regulatory and litigation matters, including seizures, detentions, notices of action, tariff classification, product marking and labeling, valuation and preference, focused assessments, C-TPAT, foreign-trade zone matters, drawback, copyright and trademark protection, export controls and enforcement related to the EAR and ITAR, trade benefits, travel screenings and watch lists, and global hazmat standards and regulatory approvals (e.g., DOT, ICAO, IATA) for the transportation of explosives, lithium batteries and other dangerous goods. He also assists companies in maintaining compliant business practices by conducting due diligence investigations and drafting and implementing compliance manuals.

He represents clients before U.S. agencies and federal courts, including the Department of Commerce, the International Trade Commission and the Office of the U.S. Trade Representative, and in compliance matters before U.S. Customs and Border Protection, the departments of State, Transportation and the Treasury, and the Bureau of Alcohol, Tobacco, Firearms and Explosives.

Fluent in Polish, Mr. Ludwikowski also advises companies on cross-border transactions, particularly with respect to Central and Eastern Europe.

Mr. Ludwikowski is admitted to practice in the District of Columbia and the state of Maryland and at the Court of Appeals for the Federal Circuit and the Court of International Trade. He holds a J.D. from Catholic University of America’s Columbus School of Law and a B.A. in political science and business administration from Catholic. He is a member of the American Bar Association, the Customs and International Trade Bar Association, where he chairs the Publications Committee, and the D.C. bar.

Representative Industries
Agricultural Products
Chemicals, Cosmetics and Pharmaceuticals
Consumer Goods
Munitions and Controlled Technology
Textiles and Apparel


Customs & International Headlines