In a landmark decision, the U.S. Supreme Court has ruled that essential elements of President Donald Trump's tariff policy are unconstitutional. The court's ruling, which passed with a 6 to 3 vote, effectively stripped the legal foundation underpinning most tariffs imposed in the past year. This decision is particularly critical as it challenges Trump's use of the International Emergency Economic Powers Act (IEEPA), a nearly 50-year-old law that he cited as justification for implementing these tariffs. The ruling primarily affects the so-called reciprocity tariffs that Trump enacted, imposing a minimum of 10% on imports from various trade partners. Additionally, it includes tariffs introduced under the pretext of combating fentanyl smuggling. The Supreme Court's stance not only jeopardizes Trump's existing trade deals but also raises questions about the future of his trade policies, which have been a hallmark of his administration. In his initial response, Trump criticized the Supreme Court’s ruling, labeling it a farce. This decision could reshape the landscape of U.S. trade, as it forces a reevaluation of tariffs that were strategically used to negotiate better trade terms. The implications of this ruling may ripple through the economy and the global trade framework as businesses and nations adjust to the legal realities set forth by the court.