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Guest Post: How to retaliate against looming Trump tariffs

This is a guest post from Simon Schropp (BRG and George Washington University) and Kornel Mahlstein (Sidley Austin LLP) Eight weeks into the Trump Administration it appears that the “Trump tariffs” on America’s closest allies are not mere posture. Treasury Secretary Scott Bessent announced on March 18 that the
Simon Lester 31 Mar 2025 5 min read

The U.S. Argument that GATT Article XX Applies to Non-GATT Goods Agreements (Including the SCM Agreement)

In its first written submission in the U.S. - IRA Tax Credits WTO dispute (DS623), the U.S. makes a number of arguments people might find interesting. First, there's a new invocation of the GATT Article XXI security exception related to the exclusion under the Internal Revenue Code
Simon Lester 30 Mar 2025 6 min read

Passing of Steve Charnovitz

I was saddened to hear of the passing this week of the great trade law scholar Steve Charnovitz, a professor at GW law school. The full list of his scholarly works can be found at his personal website. Steve was also one of the founding bloggers here at the IELP
Simon Lester 26 Mar 2025 1 min read

Questions about Trump's Reciprocal Tariffs

President Trump and his trade team have been pointing to April 2 as the big day for his reciprocal tariffs. At this point, I have lots of questions, but few answers, about what to expect from all this. Here are some of my questions: - Which statutes will they use as
Simon Lester 23 Mar 2025 3 min read

WTO Dispute Settlement and Certainty

At the always excellent Georgetown Law International Trade Update last week, there was a "Fireside Chat" between Demetrios Marantis (former Deputy U.S. Trade Rep. and acting U.S. Trade Rep.) and Biden administration Ambassador to the WTO Maria Pagan. They covered a lot of ground, and on
Simon Lester 19 Mar 2025 2 min read

Politicized AD/CVD vs. Neutral WTO Adjudication As a Way To Address Unfair/Non-Market/Protectionist Practices

In this post, I'm going to talk about an assumption that I think is held by many people (in the U.S. and elsewhere): AD/CVDs are a good way to respond to unfair/non-market/protectionist practices in other countries. I'm going to call that
Simon Lester 16 Mar 2025 4 min read

The USMCA Review (If the USMCA Survives!) Needs To Address the National Security Loophole

I don't know if the USMCA is going to survive all the U.S. tariffs on Canada and Mexico, along with the Canadian and Mexican retaliation. Will the agreement make it to the USMCA review next year? We'll see. If we do make it though, I
Simon Lester 13 Mar 2025 2 min read

Will a "Zombie USMCA" Survive the Tariff Onslaught?

With all the tariffs imposed by the Trump administration on Canada and Mexico (under IEEPA already, under Section 232 soon, maybe under Section 301, and various other possibilities as well), and with the Canadian and Mexican tariff retaliation, how much is left of the USMCA? In economic terms, the creation
Simon Lester 09 Mar 2025 2 min read

Trump on Reciprocal Tariffs

In last night's address to Congress, Trump said the following about reciprocal tariffs: Other countries have used tariffs against us for decades, and now it's our turn to start using them against those other countries. On average, the European Union, China, Brazil, India, Mexico and Canada
Simon Lester 05 Mar 2025 3 min read

Free Speech and Trade Policy

In my last post, I briefly mentioned this point about free speech from Trump's recent memo on "Defending American Companies and Innovators From Overseas Extortion and Unfair Fines and Penalties": The Secretary of the Treasury, the Secretary of Commerce, and the United States Trade Representative shall
Simon Lester 25 Feb 2025 2 min read

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Featured

What Kind of Discrimination Should Section 338 Target?

A couple weeks ago, the U.S. International Trade Commission asked for public comments on implementing Section 338.
25 Sep 2026 5 min read

Jake Sullivan Wants To Build On the Biden Administration's Industrial Policy

In a recent article, Jake Sullivan makes the case for continuing on with the Biden administration's economic policies, arguing for an even broader and more comprehensive industrial policy than what we saw under Biden.
13 Sep 2026 6 min read

How Difficult Will It Be Politically To Remove Trump's Tariffs?

Heather Hurlburt, who was the Chief of Staff for U.S. Trade Rep. Katherine Tai from 2022-2024, recently poured some cold water on the idea that Trump's tariffs might be removed quickly after he is out of office.
12 Aug 2026 3 min read

Why Section 338 Does Not Work in a GATT/WTO World: Lessons from Trade Law History

On July 21, 2026, President Trump exercised his authority under Section 338 of the Tariff Act of 1930 (hereinafter Section 338) to impose the maximum amount of additional tariffs (fifty per cent) on Canadian cars, alcohol, and dairy, owing to his determination of Canada’s discriminatory treatment of US exports.
23 Jul 2026 10 min read

EU WTO Reform Proposal Seeks To Extend Accession-Based State Enterprise Rules To All Members

In a new WTO reform paper entitled "Further Reflections on Disciplines, Subsidies and Industrial policy," the EU argues for stronger WTO disciplines on the behavior of state enterprises.
17 Jul 2026 5 min read

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