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Mark R. Ludwikowski

Member
Senior Director, Clark Hill Public Strategies
fax +1 202.772.0919

Mark R. Ludwikowski is Chair of Clark Hill’s International Trade Practice based in Washington, D.C., where he advises multinational corporations and sovereign stakeholders on high-stakes tariff, sanctions, customs, and trade-remedy matters. Mark works at the intersection of law, policy, and geopolitics, guiding clients through rapidly shifting U.S. trade enforcement landscapes while coordinating globally integrated teams across North America, Europe, the Middle East, and Central Asia. He leads complex litigation and regulatory strategy involving IEEPA, Section 232 and 301 tariffs, antidumping and countervailing duty proceedings, and cross-border market access disputes. A frequent commentator and author on international trade policy, he regularly publishes and speaks on emerging tariff and sanctions developments shaping global supply chains.

Mark also serves as Senior Director of Clark Hill Public Strategies, where he helps companies navigate the intersection of trade policy, government relations, and public affairs.

Education

J.D., The Catholic University of America, Columbus School of Law, Washington DC
B.A., Catholic University of America, Washington, Washington DC, Political Science and Business Administration
International Business and Trade Summer Law Program, Jagiellonian University, International Business and Trade Summer Law Program

Recognitions

Named among Best Lawyers in America® for International Trade and Finance Law by Best Lawyers (2026)

Memberships

American Association for Exporters and Importers

International Compliance Professionals Association

Customs and International Trade Bar Association – Secretary

Languages

English, Polish

State Bar Licenses

District of Columbia

Court Admissions

U.S. Court of Appeals, Federal Circuit
U.S. Court of International Trade
Articles
Presentations
  • WEBINAR: “New Trade Case on Imports of Plastic Decorative Ribbons from China”
  • Panelist – “Trade Regulation. US Tariff Strategies and Brexit,” VI International Euro Latam Lex Congress, Washington, D.C., February 7, 2020.
  • Panelist – “Trade & Investment Regulations: Paths to Success,” Select USA Investment Summit, Washington, D.C., June 11, 2019.
  • Presenter – “Review of Recent Tariff Proceedings,” Retail Industry/In-House Networking Group, Houston, TX, September 26, 2018
  • Presenter – “U.S Trade Policy,” Emerging FDI Company Network, American Chamber of Commerce, Dublin, Ireland, September 18, 2018
  • Presenter – “U.S. Trade Policy,” Emerging Leaders Networks, American Chamber of Commerce, Dublin, Ireland, September 18, 2018
  • Presenter – “NAFTA Now: What Works – What Doesn’t and What Could Be Better,” Globalaw America’s Regional Meeting, Chicago, IL, July 9, 2018
  • Presenter – “NAFTA: Is There Life In It Yet or Will It Be ‘Ripped Up?” Michigan Manufacturers Association, MFG Law Summit, Dearborn, MI, February 22, 2018
  • Presenter – “Trade Under Trump: Big Changes May Be Ahead for Trade Remedies and Antidumping Rules,” May 30, 2017
  • Speaker – “Ethics and Legal Practice: Challenges For Trade Lawyers,” The United States Court of International Trade, 19th Judicial Conference, November 2016
  • Speaker, “Who is the ‘Exporter’? How to Ensure the Proper Rate for Your Client,” Georgetown University International Trade Update, February 2016
  • Exclusion from Section 301 tariffs on retail client’s imported fleece and yarn products, eliminating millions of dollars in duty liability and potential store closures.
  • Saving a U.S. importer more than $100 million in antidumping (AD) duties resulting from a CBP audit of imports of wooden bedroom furniture from China.
  • Termination of the AD and countervailing duty (CVD) investigation on steel wheels from China at the ITC on behalf of importer clients.
  • Securing a 0% AD rate for an exporter client in the first DOC annual review of multilayered wood flooring from China.
  • Termination of the AD/CVD investigation of 53-foot domestic dry containers from China at the ITC on behalf of importer clients.
  • Saving an importer more than $1 million per month in AD duties through exclusion of its product from the scope of the hand trucks from China case.
  • In Off-the-Road Tires from Sri Lanka, the first CVD investigation against that country in more than 30 years, securing a nominal CVD margin of 2.18% (only .18% over de minimis) for the government.
  • Securing a 0% AD rate for exporter client in the DOC annual review of honey from Argentina.
  • Through successful court challenge, securing a 0% AD rate for Korean clients in polyester staple fiber investigation.
  • Exclusion of the Latvian steel industry from the Section 201 Global Safeguards Investigation on steel.

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