John B. Brew

Partner | He/Him/His

Overview

When governments impose barriers to trade that restrict global supply chains, John Brew provides businesses timely, practical, and creative solutions through legal, political, and economic strategies to eliminate obstacles, reduce costs, and minimize the harm caused.

As the former chair of Crowell & Moring’s International Trade Group and a partner in the firm’s Washington, D.C. office, John has extensive experience in import and export trade regulation, collaborating with corporations, trade associations, foreign governments, and nongovernmental organizations on customs administration, enforcement, compliance litigation, legislation, and policy matters. He represents clients in proceedings at the administrative and judicial levels as well as before Congress and the international bureaucracies that handle customs and trade matters. John advises clients on all substantive import regulatory issues handled by U.S. Customs and Border Protection and Immigration and Customs Enforcement, such as classification, valuation, origin, marking, tariff preference programs, other agency regulations, admissibility, customs brokerage, Section 321, drawback, foreign trade zones, duty recovery programs, import restrictions, quotas, audits, prior disclosures, penalties, investigations, Customs Trade Partnership Against Terrorism and trade compliance programs, importations under bond, the Jones Act, and vessel repairs.

John has been at the forefront in assisting clients challenge the onslaught of additional tariffs (e.g., IEEPA) and recovering tariffs paid through successful litigation. He has assisted clients in a broad array of industries (automotive, aerospace, chemical, e-commerce, energy, pharmaceutical, petroleum, textile, apparel and footwear, food and beverage, agricultural, machinery, equipment, electronics, and household goods), providing creative solutions that enable clients to obtain significant duty savings and mitigate draconian customs penalties.

John’s practice also includes representation of clients in other international trade areas, such as human rights (forced labor, withhold release orders, the Uyghur Forced Labor Prevention Act, modern slavery, and supply chain due diligence); export controls; sanctions; market access; World Trade Organization–related matters; bilateral, multilateral, and regional trade agreements; the Foreign Corrupt Practices Act; anti-boycott, anti-dumping, and countervailing duty actions; short supply proceedings; Sections 122, 201, 232, 301, and 337; and other import relief actions.

John has been recognized by Chambers USA in the area of International Trade: Customs; Chambers Global in the area of International Trade, U.S.; The Best Lawyers in America in the area of International Trade and Finance Law; Lexology Index in the area of Trade & Customs; and Super Lawyers in the area of International, and he won the 2020 Client Choice Award for International Trade in the United States.

Career & Education

    • City of London Polytechnic, 1983
    • Bucknell University, B.A., 1985
    • The Dickinson School of Law, J.D., staff editor, Dickinson Law Review, 1988
    • City of London Polytechnic, 1983
    • Bucknell University, B.A., 1985
    • The Dickinson School of Law, J.D., staff editor, Dickinson Law Review, 1988
    • District of Columbia
    • Pennsylvania
    • U.S. Court of Appeals for the Federal Circuit
    • U.S. Court of International Trade
    • District of Columbia
    • Pennsylvania
    • U.S. Court of Appeals for the Federal Circuit
    • U.S. Court of International Trade
He is extremely knowledgeable, technically strong and able to think outside the box.

Chambers USA

John's Insights

Firm News | 7 min read | 06.04.26

Crowell & Moring Secures Top Rankings in Chambers USA 2026

Washington – June 4, 2026: Crowell & Moring earned 92 individual rankings for 81 attorneys, as well as 48 national and statewide practice area rankings, in the Chambers USA 2026 guide. The Chambers guide ranks the country’s top law firms and lawyers through in-depth research, client interviews, and feedback from attorneys at peer firms. ...

Representative Matters

  • Assisting clients in securing significant duty refunds and savings through IEEPA litigation and favorable administrative rulings on Section 201, 232, and 301 tariff exclusions; tariff classification engineering; first sale valuation; free trade agreements; antidumping reviews; scope determinations; drawback; and foreign trade zones.    
  • Defending U.S. importers in False Claims Act (FCA) investigations and cases involving allegations of customs fraud, resulting in dismissal of actions and favorable settlements with a single multiplier.
  • Representing clients in Harmonized System classification litigation disputes with CBP, including a favorable classification opinion for a medical food producer in the Court of Appeals for the Federal Circuit, and a favorable classification decision before CBP, the U.S. Court of International Trade, and the Court of Appeals for the Federal Circuit for a home textile producer. 
  • Counseling U.S. importers on customs valuation issues, including audits, intracompany transfer pricing, three-tiered transactions, buying agency agreements, and assists. 
  • Advising U.S. importers and exporters of aviation, automobile, food, beverage, chemical, construction, pharmaceutical, plastic, textile, apparel, and petroleum products during USMCA/NAFTA verifications conducted by United States, Canadian, and Mexican customs officials, and advising multinational clients on other free trade agreement origin verifications in the United States, EU, and Asia. 
  • Defending clients against CBP penalty, liquidated damages, detention, seizure, and forfeiture actions, including obtaining U.S. Court of International Trade dismissal of multimillion-dollar customs penalty claim against importer.  
  • Represented clients in forced labor proceedings, such as having CBP revoke a Withhold Release Order (WRO) related to alleged forced labor in food supply chains, and obtained release of hundreds of millions of dollars of electronic goods detained by CBP based on allegations of violations of UFLPA and a WRO.         
  • Helping clients establish import compliance and cargo security programs and become C-TPAT and Trade Compliance members. 

John's Insights

Firm News | 7 min read | 06.04.26

Crowell & Moring Secures Top Rankings in Chambers USA 2026

Washington – June 4, 2026: Crowell & Moring earned 92 individual rankings for 81 attorneys, as well as 48 national and statewide practice area rankings, in the Chambers USA 2026 guide. The Chambers guide ranks the country’s top law firms and lawyers through in-depth research, client interviews, and feedback from attorneys at peer firms. ...

Recognition

  • Chambers USA: Band 1, International Trade-Customs, Nationwide (2012–2026)
  • Chambers Global: Band 2, International Trade: Customs (2016–2026)
  • The Best Lawyers in America: International Trade, Finance Law
  • Who’s Who Legal: Trade and Customs, 2022, 2023
  • Super Lawyers: Top-rated, International Trade, 2014–2020, 2023
  • 2020 Client Choice Award for International Trade in the United States

John's Insights

Firm News | 7 min read | 06.04.26

Crowell & Moring Secures Top Rankings in Chambers USA 2026

Washington – June 4, 2026: Crowell & Moring earned 92 individual rankings for 81 attorneys, as well as 48 national and statewide practice area rankings, in the Chambers USA 2026 guide. The Chambers guide ranks the country’s top law firms and lawyers through in-depth research, client interviews, and feedback from attorneys at peer firms. ...

John's Insights

Firm News | 7 min read | 06.04.26

Crowell & Moring Secures Top Rankings in Chambers USA 2026

Washington – June 4, 2026: Crowell & Moring earned 92 individual rankings for 81 attorneys, as well as 48 national and statewide practice area rankings, in the Chambers USA 2026 guide. The Chambers guide ranks the country’s top law firms and lawyers through in-depth research, client interviews, and feedback from attorneys at peer firms. ...