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2025 Had the Most WTO Complaints Since 2019

Despite the ongoing crisis with the WTO Appellate Body, which has been only partially solved by the creation of the MPIA, 2025 saw a bit of an increase in the filing of requests for consultations under the DSU.
Simon Lester 08 Jan 2026 1 min read

Guest Post: Threat-Based Trade Remedies in the EU: Increasing Use Amid Urgent Climate Objectives

This is a guest post from Florin D. Dascalescu, Senior legal counsel at the European Investment Fund (EIF) Introduction This post is based on my recent article published in the Journal of World Trade (JWT),[i] which examines several legal concepts by using as an example the EU anti-subsidy (AS)
Simon Lester 06 Jan 2026 8 min read

Is Foreign Antitrust Enforcement "Discriminatory" and "Anti-American"?

The House Judiciary Subcommittee on the Administrative State, Regulatory Reform, and Antitrust held a hearing in December on "Anti-American Antitrust: How Foreign Governments Target U.S. Businesses." There was a lot of talk at the hearing about how foreign regulations and regulators "discriminate" against American companies.
Simon Lester 05 Jan 2026 5 min read

Questions about the Trump Administration's Trade Deals and Compatibility with WTO Obligations

An issue that has been raised in relation to the Trump administration's various trade deals is whether they are compatible with WTO obligations. GATT Article XXIV, along with the Uruguay Round Understanding on the Interpretation of Article XXIV, sets out specific conditions that bilateral/regional deals on trade
Simon Lester 02 Jan 2026 4 min read

The U.S. Comments On the MPIA and Treaty Interpretation

At the December 19 DSB meeting, the U.S. tied one of its broad criticisms of the WTO dispute settlement system to a recent criticism by another WTO Member of a specific MPIA award: • We would like to make one further point in response to the interventions we just heard
Simon Lester 31 Dec 2025 4 min read

Call for Papers: 2026 ILA-ASIL EastMed-MENA Research Forum

This is from Anastasios Gourgourinis, George Dimitropoulos, and Marios Tokas: The 2026 ILA-ASIL EastMed-MENA Research Forum, organized by the International Law Association - Hellenic Branch and the American Society of International Law, invites paper proposals for its meeting on 9–10 July 2026 in Athens, Greece. The 2026 edition of
Simon Lester 30 Dec 2025 1 min read

Scheduling Is the Ace in the Hole

by Carlo M. Cantore[1] & Petros C. Mavroidis[2]  1. Consensus as Insurance Against the Waning of MFN The WTO membership has been mulling over the legal status of completed JSIs (Joint Statement Initiatives). JSIs are not multilateral agreements. They could become plurilateral agreements, if the membership (including those
Petros Mavroidis, Carlo M. Cantore 29 Dec 2025 8 min read

The U.S. Argument for Limiting MFN

In the communication to the WTO that I mentioned in the last post, the U.S. put forward a critique of the MFN principle: Most Favored Nation (MFN) Principle 3.1. The MFN principle, which seeks to prevent discriminatory trade practices and promote equal treatment among trade partners, was designed
Simon Lester 18 Dec 2025 3 min read

Some Thoughts on Addressing Non-Market Policies and Practices through WTO Disputes

Earlier this week, the U.S. submitted a communication to the WTO entitled "On WTO Reform." There are a number of issues worth talking about in the document, but I want to highlight the sub-section on "Overcapacity and Overconcentration of Production."
Simon Lester 17 Dec 2025 4 min read

Pennsylvania Court Finds Mexican Government Guilty of "Discrimination" Due To Its Subsidies

I'm always interested in how courts apply the concept of "discrimination" in the context of international trade, so I've been eagerly awaiting a Pennsylvania court decision in a case against Mexico.
Simon Lester 12 Dec 2025 8 min read

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International Economic Law and Policy Blog

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Could Congress Extend the USMCA for Another Term?

People have been assuming that the decision on whether to extend the USMCA for another term is up to President Trump, but based on the language of the USMCA related to the upcoming joint review, could Congress actually have the power to make this decision on its own?
04 May 2026 4 min read

Is There No Going Back on Trade? What Is the Path Forward? A Response to Lighthizer

Former U.S. Trade Rep. Bob Lighthizer has a new essay in Foreign Affairs, and I have some thoughts. I'm going to start with his brief big picture points on the direction of U.S. trade policy, and then go through a couple of the specific concepts he emphasizes.
27 Apr 2026 6 min read

The Section 301 Excess Capacity Investigation Needs Less Madness, More Method

Shortly after the Supreme Court ruled President Trump’s emergency tariffs under IEEPA  unconstitutional, the administration scrambled to rebuild its tariff wall. While the announcement of Section 122 tariffs immediately following the ruling will provide a temporary patch, the U.S. Trade Representative’s office quickly began to utilize another
24 Apr 2026 6 min read

War Tariffs

This is a co-authored post by Kathleen Claussen and Tim Meyer. Last week, President Trump announced that the United States would be imposing new tariffs of 50 percent of the value of any product coming from any country that sells weapons or provides military aid to Iran. Some commentators questioned
14 Apr 2026 5 min read

USMCA Review and Extension Predictions

When the idea of an expiration clause was suggested during the NAFTA renegotiation, I was against it from the start, and Inu and I wrote a pretty critical piece about it at the time. A review is great, we said, let's definitely have reviews, and there are plenty of ways to do that.
08 Apr 2026 5 min read

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