U.S. President Donald Trump has sharply criticized the Supreme Court of the United States following its decision to limit his authority to impose sweeping global tariffs.
Speaking at the White House after the ruling was delivered, Trump described the judgment as “deeply disappointing” and said he was “ashamed” of some members of the court for what he characterized as a failure to support his trade agenda.
Supreme Court Limits Presidential Tariff Powers
In its decision, the Supreme Court ruled that the U.S. president does not have constitutional authority to unilaterally impose broad global tariffs on any country for any reason. The court emphasized that such powers rest with Congress under the U.S. Constitution.
However, the ruling leaves room for certain targeted tariffs to remain in place. This could allow the administration to restructure elements of its trade policy within narrower legal boundaries.
The judgment introduces fresh uncertainty for global markets and U.S. importers, particularly over whether companies will receive refunds for tariffs already paid. If refunds are approved, the financial impact on federal revenues could be substantial.
Billions Collected Under Emergency Powers
According to official figures, U.S. customs authorities have collected more than $130 billion in import duties under the International Emergency Economic Powers Act (IEEPA), the law Trump relied on to justify several of his tariff actions.
Since returning to office in January 2025, Trump has aggressively expanded tariff measures. In April 2025, he announced sweeping global tariffs on all imports into the United States, including a 14 percent levy on goods from Nigeria.
He later introduced a 25 percent tariff targeting countries conducting business with Iran and proposed an additional 10 percent tariff on exports from several European nations, including Denmark, Norway, Sweden, France, Germany, the Netherlands, Finland, and Great Britain. The administration cited geopolitical tensions involving Greenland as part of its justification.
In October 2025, Trump escalated trade tensions further by unveiling a 100 percent tariff on Chinese goods.
Global Trade Concerns Intensify
The sweeping tariff measures have drawn international criticism. Ngozi Okonjo-Iweala, director-general of the World Trade Organization, previously warned that the ripple effects of the administration’s trade actions could represent the most significant disruption to global commerce in decades.
Despite the court’s ruling, Trump signaled he is exploring “other alternatives” to reintroduce or expand tariff measures. He also suggested that trade embargoes could be considered as part of future policy steps.
What Happens Next?
Legal analysts say the decision marks a pivotal moment in the balance of power between the executive branch and Congress on trade authority. Markets are now watching closely to see how the administration adjusts its strategy — and whether new legislation or legal battles will follow.
With global supply chains already under pressure, the ruling could reshape U.S. trade policy and influence economic relations with key partners worldwide.
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