24 states sue Trump administration over tariffs after Supreme Court ruling

Twenty four states have launched a sweeping legal challenge to President Trump’s latest global tariffs, arguing that the administration is defying a recent Supreme Court ruling and overstepping emergency economic powers. The coalition, led by New York and joined by a mix of coastal and Midwestern states, is asking a federal trade court to halt a new across the board import tax while the case proceeds. At stake is not only the cost of everyday goods, from cars to smartphones, but also how far the presidency can go on trade policy without fresh approval from Congress.

The lawsuit lands just weeks after the U.S. Supreme Court struck down an earlier round of Trump tariffs that relied on the International Emergency Economic Powers Act, or IEEPA, to justify broad levies on allies and rivals alike. In that decision, the Supreme Court held that President Trump did not have authority under the emergency statute to impose sweeping duties on Americans under the act, sharply limiting the White House’s ability to use national security as a catchall rationale for trade measures. The new case argues that the administration is now trying to repackage the same approach under a different label and that the courts should not allow what the states describe as an end run around the ruling.

States move quickly after Supreme Court setback

The complaint, filed in the U.S. Court of International Trade, targets a fresh set of global tariffs of around 10 percent on a wide range of imported goods that were announced shortly after the Supreme Court setback. According to the filing, the duties apply to consumer products, industrial components and agricultural inputs, and they are scheduled to phase in over the coming months unless a judge intervenes. The states say the administration is again citing emergency economic authority and broad notions of unfair trade to justify a policy that Congress never specifically authorized.

New York Attorney General Letitia James is described in the filings as a lead architect of the challenge, joined by counterparts from large coastal economies and manufacturing heavy states that have absorbed steep tariff costs since 2018. The coalition includes Pacific states such as California and Oregon, as well as Southwestern states such as Arizona that have seen cross border supply chains disrupted. Other plaintiffs include Midwestern governors who say their exporters and small manufacturers have already paid billions of dollars in previous rounds of tariffs and cannot absorb another across the board hike.

The new suit follows months of mounting frustration among state leaders as businesses in their jurisdictions absorbed tariff costs while waiting for refunds from earlier duties that courts later invalidated. In Wisconsin, for example, state officials have pointed to estimates that local businesses paid roughly 3.5 billion dollars in tariffs from March to December 2025, money that many companies are still trying to claw back. Governors such as Gov Tony Evers and attorneys general in export dependent states argue that the federal government is effectively using their residents as collateral in a prolonged trade fight that has yet to yield clear concessions from major partners.

Several Democratic governors have publicly framed the lawsuit as a defense of both constitutional checks and balances and household budgets. Kentucky Gov Andy Beshear joined 23 states in backing the complaint, contending that Trump tariffs imposed without congressional approval are hitting farmers, auto workers and retailers in his state. The coalition also includes Pennsylvania and Kentucky, which sources describe as states with Democ governors and Republican attorneys general, a pairing that reflects how tariff politics can scramble traditional partisan lines.

Legal theory built on Supreme Court’s IEEPA ruling

The states’ legal argument leans heavily on the Supreme Court’s recent interpretation of the International Emergency Economic Powers Act. In that case, the justices concluded that the statute did not give President Trump a blank check to impose broad tariffs on Americans under the act, especially when the measures looked more like a general trade policy than a targeted response to a specific emergency. The new complaint says the administration’s latest tariffs are “materially indistinguishable” from those that the Supreme Court already struck down, even if the formal paperwork cites slightly different regulatory hooks.

According to filings summarized in the complaint, the administration has again invoked global economic instability and persistent trade deficits as justification for emergency action. The president has argued that tariffs are necessary to reduce U.S. trade deficits and to pressure trading partners into new negotiations. State attorneys general counter that trade deficits are a long running macroeconomic feature, not a sudden emergency, and that Congress has already given the executive branch more tailored tools to address unfair practices through antidumping and countervailing duty laws.

The lawsuit also challenges the process the administration used to roll out the new tariffs. The states say the White House bypassed normal rulemaking by skipping detailed economic impact analyses, ignoring public comment and failing to consult with affected industries. They argue that this shortcut approach violates administrative law and leaves courts with little evidence that the tariffs will achieve their stated goals rather than simply raising prices for consumers and small businesses.

In their complaint, the states ask the Court of International Trade to issue a preliminary injunction that would block the new 10 percent global tariffs from taking effect while the case is litigated. The filing stresses that importers are already adjusting contracts and shipping schedules in anticipation of the duties, which could make it difficult to unwind the economic damage if the tariffs later fall. The plaintiffs say that once tariffs are collected, the process of issuing refunds can take years, as companies learned with earlier Trump era levies.

Oregon Attorney General Dan Rayfield has emerged as one of the most outspoken members of the coalition. At a press conference, Rayfield said that the states know there are free trade Republicans in Congress who are quietly rooting for the lawsuit to succeed. He argued that while some lawmakers are reluctant to cross President Trump publicly, they recognize that an unchecked presidency on trade policy could one day be used against their own states and industries. Rayfield framed the case as a rare moment where state level officials are trying to enforce limits that Congress has been unwilling or unable to assert.

Behind the scenes, some Republican governors and attorneys general have also joined the challenge, particularly in manufacturing states where exporters face retaliation from trading partners. A report on the coalition notes that the states that filed the lawsuit include 22 states with Democraticattorneys general and two, Pennsylvania and Kentucky, with Democratic governors and Republican attorneys general. That mix suggests that for some officials, the economic hit from tariffs outweighs the political risk of confronting a president from their own party.

The complaint details how earlier Trump tariffs reshaped supply chains and pricing for everything from 2024 Ford F 150 pickups to Nintendo Switch consoles. Retailers and importers say they had to raise prices, cut margins or delay expansion plans while the duties were in place. The new tariffs, they argue, would repeat that cycle at a time when inflation has already strained household budgets and when many companies are still waiting for the government to begin processing tariff refunds from invalidated measures.

Trade dependent states on the West Coast have been particularly vocal. Officials in Mar coastal states argue that ports, logistics hubs and exporters in their regions have carried a disproportionate share of the burden from Trump’s trade fights. They point to job losses in warehousing and shipping, as well as canceled investment in port infrastructure, as companies rerouted cargo to avoid uncertainty around U.S. tariffs and foreign retaliation.

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*This article was developed with AI-powered tools and has been carefully reviewed by our editors.