"knowledgeable and client-focused" and "has a strong reputation in the market…"
Legal 500 2015, 2016


Sydney Mintzer’s international trade, customs and investment practice is primarily focused on helping clients to comply with US import regulations, optimize global sourcing options, identify markets for export and investment and eliminate barriers to market entry. A licensed customs broker, he has assisted major US and foreign corporations involved in customs audits and focused assessments. In addition, he has worked with clients to develop, implement and audit internal compliance programs and identify optimal sourcing patterns to minimize tariffs and duties.

Sydney also represents clients in antidumping (AD) and anti-subsidy (CVD) investigations initiated in multiple jurisdictions. He has represented both domestic industries and foreign producers, exporters and importers in these investigations, which gives him an excellent understanding of the issues and factors surrounding these proceedings. In addition to representing clients before the US Department of Commerce and US International Trade Commission in US investigations, he has represented US and European companies in AD and CVD investigations in the EU, China, India and Brazil. His breadth of practice has covered a wide range of industries, including mining, ferroalloys, steel, renewable energy, fertilizer, and textiles/apparel.

Sydney also has substantial experience working on trade-related disputes that arise around the world. For example, he has advanced market access concerns for clients with US policy makers to resolve barriers to entry in multiple jurisdictions, and he often advises clients on other countries’ WTO commitments and has represented sovereign clients in WTO disputes.

Sydney has been published in numerous professional journals and has served on the editorial board of the “China Trade Law Report,” a publication of The American Lawyer. He joined Mayer Brown in 2006.

Spoken Languages

  • English


New York University School of Law, JD

University of California, MA in Political Science and International Relations

University of California, Berkeley, BA, Phi Beta Kappa


  • District of Columbia


Member, NYU-NYLS International Economic Law Working Group
  • "Among the best for customs law," Mayer Brown provides "service of the highest level in all aspects." Legal 500 2015