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Essays in Honour of Valerie Hughes: Appellate Review, WTO Secretariat Handling FTA Disputes, and Much More

Nicolas Lamp recently put together a book honoring the great Valerie Hughes: "Reckoning and Renewal: The World Trade Organization and Its Dispute Settlement System at 30, Essays in Honour of Valerie Hughes."
Simon Lester 13 Jan 2026 3 min read

Some Interesting Provisions in the EU-Mercosur Interim Trade Agreement DS Chapter

We appear to be moving closer to a completed EU-Mercosur trade agreement, with the European Council announcing last week that it had "adopted two decisions authorising the signature of the EU-Mercosur Partnership Agreement (EMPA) and of the Interim Trade Agreement (iTA) between the EU and Mercosur." It also
Simon Lester 12 Jan 2026 3 min read

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

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International Economic Law and Policy Blog

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Jamieson Greer on the 30 Year Aberration in U.S. Trade Policy

When he was in Davos last week for the World Economic Forum, U.S. Trade Rep. Jamieson Greer talked a bit about U.S. trade policy history and described a recent period during which, in his view, U.S. trade policy shifted away from tariffs/protectionism and towards free trade.
29 Jan 2026 6 min read

Is this the end of MFN as we know it? The EU submission on WTO reform and the meaning of development

With the release of the EU submission on WTO reform, it has become clear that the MFN principle’s central role within the WTO architecture is under challenge. As a keystone, it risks the entire bridge falling. Even if the foundations are retained but deemed outdated or unusable, and a
23 Jan 2026 3 min read

Can "Geopolitical" Tariffs Be Dealt With through Trade Deals?

Last Friday, U.S. Trade Rep. Jamieson Greer was asked about Trump's initial suggestion of tariffs related to the goal of taking over Greenland
20 Jan 2026 4 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.
05 Jan 2026 5 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.
12 Dec 2025 8 min read

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