WASHINGTON — A federal appeals court ruled Friday that President Donald Trump had no legal right to impose sweeping tariffs but left in place for now his effort to build a protectionist wall around the American economy.
The U.S. Court of Appeals for the Federal Circuit ruled Trump wasn’t legally allowed to declare national emergencies and impose import taxes on almost every country on Earth, largely upholding a May decision by a specialized federal trade court in New York.
However, the court's 7-4 decision tossed out part of that ruling striking down the tariffs immediately, allowing his administration time to appeal to the Supreme Court.
The decision complicates Trump’s ambitions to upend decades of American trade policy completely on his own. He has alternative laws for imposing import taxes, but they would limit the speed and severity with which he could act.
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President Donald Trump speaks during a Cabinet meeting, Tuesday, Aug. 26, 2025, at the White House in Washington.
His tariffs — and their erratic rollout — shook global markets, alienated U.S. trading partners and allies and raised fears of higher prices and slower economic growth.
But he’s also used the levies to pressure the European Union, Japan and other countries into accepting one-sided trade deals and to bring tens of billions of dollars into the federal Treasury to help pay for the massive tax cuts he signed into law July 4.
“While existing trade deals may not automatically unravel, the administration could lose a pillar of its negotiating strategy, which may embolden foreign governments to resist future demands, delay implementation of prior commitments, or even seek to renegotiate terms,†Ashley Akers, senior counsel at the Holland & Knight law firm and a former Justice Department trial lawyer, said before the appeals court decision. “A ruling against the tariffs would represent not just a legal defeat, but a serious blow to the administration’s coercive trade diplomacy model.″
The government also might have to refund some of the import taxes that it’s collected, delivering a financial blow to the U.S. Treasury.
“It would be 1929 all over again, a GREAT DEPRESSION!†Trump said in a previous post on social media.
Revenue from tariffs totaled $142 billion by July, more than double what it was at the same point the year before. Indeed, the Justice Department warned in a legal filing this month that revoking the tariffs could mean “financial ruin" for the United States.

Cargo containers line a ship Wednesday, Aug. 6, 2025, at the Port of Oakland in California.
The ruling involves two sets of import taxes, both of which Trump justified by declaring a national emergency under the 1977 International Emergency Economic Powers Act:
- The sweeping tariffs “reciprocal’’ tariffs of up to 50% he announced April 2 on countries with which the United States runs trade deficits and a “baseline’’ 10% tariff on just about everyone else. The national emergency underlying the tariffs, Trump said, was the long-running gap between what the U.S. sells and what it buys from the rest of the world. The president started to levy modified the tariff rates in August, but goods from countries with which the U.S. runs a surplus also face the taxes.
- The “trafficking tariffs’’ he announced Feb. 1 on imports from Canada, China and Mexico. These were designed to get those countries to do more to stop what he declared a national emergency: the illegal flow of drugs and immigrants across their borders into the United States.
The Constitution gives Congress the power to impose taxes, including tariffs. However, over decades lawmakers ceded authorities to the president.
However, Trump’s assertion that IEEPA essentially gives him unlimited power to tax imports quickly drew at least seven legal challenges. No president had used IEEPA to justify tariffs, though the law was used frequently to impose export restrictions and other sanctions on U.S. adversaries such as Iran and North Korea.
The plaintiffs argue that the emergency power law does not authorize the use of tariffs.
They also note that the trade deficit hardly meets the definition of an “unusual and extraordinary’’ threat that would justify declaring an emergency under the law. The United States, after all, has run trade deficits — in which it buys more from foreign countries than it sells them — for 49 straight years and in good times and bad.

Trucks cross the Ambassador Bridge on Thursday, Aug. 7, 2025, between Windsor, Ontario, Canada, and Detroit.
The Trump administration argued that courts approved President Richard Nixon’s emergency use of tariffs in a 1971 economic crisis that arose from the chaos that followed his decision to end a policy linking the U.S. dollar to the price of gold. The Nixon administration successfully cited its authority under the 1917 Trading With Enemy Act, which preceded and supplied some of the legal language used in IEEPA.
In May, the U.S. Court of International Trade in New York rejected the argument, ruling that Trump’s April 2 tariffs “exceed any authority granted to the President’’ under the emergency powers law. In reaching its decision, the trade court combined two challenges — one by five businesses and one by 12 U.S. states — into a single case.
In the case of the drug trafficking and immigration tariffs on Canada, China and Mexico, the trade court ruled that the levies did not meet IEEPA’s requirement that they “deal with’’ the problem they were supposed to address.
The court challenge does not cover other Trump tariffs, including levies on  and autos that the president imposed after Commerce Department investigations concluded that those imports were threats to U.S. national security.
Nor does it include tariffs that Trump imposed on China in his first term — and President Joe Biden kept — after a government investigation concluded that the Chinese used unfair practices to give their own technology firms an edge over rivals from the United States and other Western countries.
Trump potentially could cite alternative authorities to impose import taxes, though they are more limited. Section 122 of the Trade Act of 1974, for instance, allows the president to tax imports from countries with which the U.S. runs big trade deficits at 15% for 150 days.
Likewise, Section 301 of the same 1974 law allows the president to tax imports from countries found to have engaged in unfair trade practices after an investigation by the Office of the U.S. Trade Representative. Trump used Section 301 authority to launch his first-term trade war with China.
ÃÛÁÄÖ±²¥: A look at global trade

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