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USTR Goes Old School in USMCA Complaint on Mexican GE Corn Ban

Back in the 1990s, an important area of the trade policy debate was about how WTO rules might interfere with domestic environmental, food safety, and other public policy measures. There were cases such as Shrimp/Turtle, with a number of countries challenging a U.S. environmental measure; and EC - Hormones,
Simon Lester 08 Jun 2023 3 min read

Security of Steel Capacity – and the Persistence of trade security exceptionalism

In its 2022 WTO Trade Policy Review for the United States (US), China asked the US about its Section 232 tariffs on steel and aluminium. Specifically, China asked about the US steel capacity utilisation rate target of 80% in the Steel Report. China asked the US whether it would now
Mona Paulsen 06 Jun 2023 5 min read

The Supreme Court's Latest Ruling on the Dormant Commerce Clause: More Evidence that People Disagree on the Appropriate Degree of Economic Integration

It has been a while since I've written about a U.S. Supreme Court dormant Commerce Clause case, but the recent National Pork Producers Council v. Ross decision provides a great opportunity to revisit the issue. Steve Charnovitz commented on the decision here. (Here are some other takes:
Simon Lester 31 May 2023 15 min read

“Nice” Trade Lawmaking: How Congress Talks With The USTR

Readers will likely recall the exchange between Ambassador Tai and Rep. Greg Murphy during the annual trade policy agenda hearing a few weeks back in which Rep. Murphy said he thought Ambassador Tai was "too nice" to be effective as the USTR.  You remember it because it went
Kathleen Claussen 24 May 2023 1 min read

Opt Outs, NVNI, or Automatic Rebalancing for National Security Disputes

Veteran U.S. trade lawyers Warren Maruyama and Alan Wolff have a new paper out on "Saving the WTO from the national security exception". In their conclusion, they set out three solutions to the "impasse over justiciability of national security claims": (1) allowing Members to "
Simon Lester 23 May 2023 6 min read

Protectionism, Competition, and Corporate Power

Here's something U.S. Trade Rep. Katherine Tai said in a recent interview with PBS: In trade policy, it's something very interesting, and I've seen this happen in competition policy, where the anti-monopoly folks, antitrust people are working. We see in both of
Simon Lester 21 May 2023 3 min read

Battle of the Gruyeres

Back in January 2022, I wrote about a U.S. federal court ruling that Gruyere is a generic cheese term, which meant that, despite the protests of the Swiss cheese industry, U.S. producers could make Gruyere cheese and put the word "Gruyere" on the product label in
Simon Lester 17 May 2023 3 min read

The Transatlantic Alignment on a Transnational Subsidy

The U.S. Department of Commerce has proposed a new agential interpretation on the countervailability of the so-called “transnational subsidy.”  What is a transnational subsidy?  Wentong Zheng and I have recently discussed this issue in an article.  Here are some relevant excerpts: Suppose that a foreign company (A) from
Sungjoon Cho 16 May 2023 2 min read

Warren, Doggett, et al. Letter on Removing ISDS from Existing Agreements

Thirty-three Democratic members of Congress, led by Senator Elizabeth Warren and Congressman Lloyd Doggett, recently sent a letter to U.S. Trade Rep. Katherine Tai and Secretary of State Antony Blinken about ISDS. One point they made in the letter is that ISDS should be removed from existing investment
Simon Lester 14 May 2023 3 min read

Pigs and World Trade

Pigs and World Trade 11 May 2023 The decision by the US Supreme Court today in National Pork Producers Council v. Ross has profound implications for international trade.  By validating the constitutionality of PPM-based domestic trade restrictions on what belongs in California stores, the Court has prioritized local government
Charnovitz 11 May 2023 1 min read

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International Economic Law and Policy Blog

International Economic Law and Policy Blog

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Governments Make Their Case Against Section 301 Forced Labor Tariffs

Last month, USTR made a determination in its Section 301 investigation into "Acts, Policies, and Practices of Various Economies Related to the Failure To Impose and Effectively Enforce a Prohibition on the Importation of Goods Produced With Forced Labor."
10 Jul 2026 5 min read

How Should the EU Get Tough with China? Unilateral Action vs. WTO Complaints

I've seen several recent calls for the EU to get tougher in its economic relations with China, along with arguments that it has been too slow to act against the Chinese economic threat.
06 Jul 2026 4 min read

Trump Administration Decides Not To Extend USMCA for Another Term: What Does That Mean Exactly?

Today, as part of the first joint review of the USMCA, the three governments held a virtual meeting.
01 Jul 2026 4 min read

Competing Views of Sovereignty: The Haves vs. The Have Nots in AI (and Steel)

It's interesting to watch how political leaders craft narratives around economic competition that reflect their own country's strengths and weaknesses.
29 Jun 2026 4 min read

A law of many meanings: Exchange Actions under the GATT and IMF

Earlier this week, Simon Lester posted about the EU’s concerns with the undervaluation of the Chinese currency. He situated the recent demands for trade restrictions against a longstanding debate about the function of GATT Article XV:4.
25 Jun 2026 8 min read

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