Leveraging a strong global presence, Pillsbury Winthrop Shaw Pittman LLP‘s Washington DC-based team assists clients across tariff measures, regulatory changes, and antidumping and countervailing duty investigations. The group has notable expertise in trade and tariff implications affecting critical minerals, metals, and advanced material supply chains. Co-heading the team are Stephan Becker, whose clients include Hyundai and the governments of New Brunswick and Canada, and Nancy Fischer, who specializes in Build America, Buy America compliance and supply chain security. Benjamin Cote focuses on export controls and embargoes related to satellites, security services, and software. Daniel Porter defends foreign exporters in antidumping and countervailing duty litigation and in World Trade Organization dispute settlement. Matthew McCullough has a niche focus on matters concerning manufacturing and the energy sector, with other key names including Aaron Hutman and James Durling. Sahar Hafeez joined the team in February 2025.
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Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Testimonials
Collated independently by Legal 500 research team.
‘All the partners are uniformly strong. Depth of knowledge, experience, and creativity make this a superior legal team.’
‘Matthew McCullough has always been one of the world's experts on trade policy. Their Washington DC team is perfectly located to stay up to date on the very fluid trade environment. The team has been very responsive and a joy to work with.’
‘Matthew McCullough and Julian Beach have been exceptionally responsive, which is very important to us.’
‘The most relevant aspect for us as a client is the ability they have to provide the expert that we need in each occasion. Trade regulation has been very changing, but they find the right person for us each time. They have great experts and people that have been working previously for the government with very valuable insights.'
‘Nancy Fischer and her team has provided us extremely valuable and proactive advice in the tariffs and trade policy practise in the current highly demanding geopolitical situation. The collaboration is extremely easy, the team is proactive and the advice is practical and well suited for our needs.’
‘Substance is the key and they have it.’
‘Matthew McCullough has an extensive knowledge of antidumping and other trade measures. He also prioritizes service to the client rather than his own billable hours.’
‘Daniel Porter manages the team and tirelessly works on behalf of clients.'
'James Durling is an expert on antidumping (both USITC and USDOC).'
'Matthew McCullough is probably the strongest, most capable DC lawyer with respect to CVD law. Nobody is more knowledgeable.'
Key clients
- Ad Hoc Utilities Group
- Amaero
- Association of Exporters and Industry of Table Olives
- BlueScope, Ltd.
- FUJIFILM Corporation
- Global Nuclear Fuels – Americas
- Government of Mexico (Secretaria de Economia)
- Government of New Brunswick
- Government of the Sultanate of Oman
- Guanxi Firstpak
- LG Electronics
- Mushrooms Canada
- Nufarm Americas
- Oman Aluminum Rolling Company
- Saha Thai Steel Pipe
- SEMI Americas
- Shelter Forest
- Silgan
- Sotheby’s
- Tokyo Steel
Work highlights
Representing the Government of New Brunswick in the Softwood Lumber from Canada countervailing duty cases, involving numerous administrative reviews and pending USMCA binational panel proceedings.
Secured a 0.00% AD rate for Toyo Kohan for the latest AD review and secured a favorable decision by the Court of International Trade ordering the Commerce Department to reconsider its decision pertaining to an earlier AD review.
Advised ULMA Forja, a Spanish producer of carbon steel flanges and secured a 0.00% rate after successive annual reviews dating back 7 years in the low single digits.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Stephan Becker; Nancy Fischer
Other key lawyers
Benjamin Cote; Daniel Porter; Matthew McCullough; Aaron Hutman; James Durling; Sahar Hafeez; Julian Beach