The justices didn't explain their reasoning in the brief order rebuffing the motion to fast-track the issue, but the Supreme Court is typically reluctant to take up cases before lower courts have decided.
An appeals court is set to hear the case in late July.
The company argues that the Republican president illegally imposed tariffs under an emergency powers law, bypassing Congress. It won an early victory in a lower court, but the order is on hold as an appeals court considers a similar ruling putting a broader block on Trump's tariffs. The appeals court has allowed Trump to continue collecting tariffs under the emergency powers law for now.
The Trump administration has defended the tariffs by arguing that the emergency powers law gives the president the authority to regulate imports during national emergencies and that the country’s longtime trade deficit qualifies as a national emergency.
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