John B. Brew
Areas of Focus
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.
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
- 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.
Firm News | 2 min read | 02.23.26
Chambers Ranks Crowell & Moring Practices and Lawyers in 2026 Global Guide
Client Alert | 1 min read | 02.23.26
SCOTUS Tariff Decision: Implications for Retail and E-Commerce
Client Alert | 2 min read | 02.20.26
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.
Firm News | 2 min read | 02.23.26
Chambers Ranks Crowell & Moring Practices and Lawyers in 2026 Global Guide
Client Alert | 1 min read | 02.23.26
SCOTUS Tariff Decision: Implications for Retail and E-Commerce
Client Alert | 2 min read | 02.20.26
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.
Firm News | 2 min read | 02.23.26
Chambers Ranks Crowell & Moring Practices and Lawyers in 2026 Global Guide
Client Alert | 1 min read | 02.23.26
SCOTUS Tariff Decision: Implications for Retail and E-Commerce
Client Alert | 2 min read | 02.20.26
Insights
Trade Winds: How Global Businesses Are Navigating Trade, Tariffs, and the Uncharted Waters Ahead
|02.27.19
Crowell & Moring's Regulatory Forecast 2019
U.S. Customs: A Practitioner's Guide to Principles, Processes, and Procedures, Second Edition
|05.04.16
International Practitioner's Deskbook Series, American Bar Association
Robert Ireland, WCO Research Unit
|01.01.16
Global Trade and Customs Journal
Regulatory Forecast 2015: What Corporate Counsel Need to Know for the Coming Year
|01.31.15
a Crowell & Moring LLP publication
Border Control Limbo: Saving your Product From Seizures, Forfeitures, Fines and Delays
|03.01.13
Crisis Management Handbook, Ch. 7, Crowell &Moring Advertising and Product Risk Management Group
Global Trade and Customs Journal
|07.01.12
Interview of Kunio Mikuriya, PhD, Secretary General, World Customs Organization, Kluwer
Customs 101: Importation Process Basics
|02.24.10
Trade & Customs Law - Basics You Need to Know, Georgetown University Law Center
African Growth and Opportunity Act, Navigating the International Trade Process: A Guide to AGOA Eligibility
|08.20.09
The Leitner Center for International Law and Justice at the Fordham School of Law
U.S. Customs: A Practitioner's Guide to Principles, Processes, and Procedures
|07.24.09
International Practitioner's Deskbook Series, American Bar Association
"Forced Labor Enforcement Trends," Georgetown International Economic Law Society, Washington, D.C.
|11.07.24
SFIA's Supply Chain Disruptions, Due Diligence and Crisis Management
|08.01.24
Recent CIT Case Starves Trade Bar Of Guidance In Forced Labor Exclusion Matters, Law Firm Says
|12.30.22
Trade Law Daily
Trump Exempts Agricultural Products from IEEPA Reciprocal Tariffs
|11.18.25
Crowell & Moring’s International Trade Law
CIT Vacates CBP Forced Labor Finding Against Aluminum Importer
|09.25.25
Crowell & Moring’s International Trade Law
DHS 2025 UFLPA Update Targets New Industries and Expands Entity List
|08.19.25
Crowell & Moring’s International Trade Law
D.C. Circuit Dismisses Suit Concerning Cocoa Farm Forced Labor in Côte d’Ivoire for Lack of Standing
|07.28.25
Crowell & Moring’s International Trade Law
Ninth Circuit Decision Underscores Increasing False Claims Act Risks to U.S. Importer
|07.09.25
Crowell & Moring’s Government Contracts Legal Forum
Reciprocal Tariffs Suspended Again, New Start Date August 1
|07.09.25
Crowell & Moring’s International Trade Law
De Minimis to be Eliminated July 2027 under Recently Enacted Megabill
|07.08.25
Crowell & Moring’s International Trade Law
Update on Parallel Federal Court Cases Enjoining IEEPA
|06.06.25
Crowell & Moring’s International Trade Law
Court of International Trade Blocks IEEPA Tariffs
|05.28.25
Crowell & Moring’s International Trade Law
Practices
- Customs
- International Trade
- Investigations
- Product Risk Management
- International Trade Investigations
- WTO, FTAs and Market Access
- Trade Remedies: Antidumping and Countervailing Duties
- Export Controls
- Antiboycott Laws
- U.S. ITC Section 337
- Supply Chain Management
- Human Rights and Forced Labor
- Regulatory Litigation
- Energy
- Customs Fraud and the False Claims Act
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.
Firm News | 2 min read | 02.23.26
Chambers Ranks Crowell & Moring Practices and Lawyers in 2026 Global Guide
Client Alert | 1 min read | 02.23.26
SCOTUS Tariff Decision: Implications for Retail and E-Commerce
Client Alert | 2 min read | 02.20.26




