The court rulings this week set off a legal battle over the tariffs that could stretch on for more than a year and make its way to the Supreme Court, experts told ABC News.

President Donald Trump on Friday told Pennsylvania steelworkers he’s doubling the tariff on steel imports to 50% to protect their industry, a dramatic increase that could further push up prices for a ...

Trump said the move would help boost the local steel industry and national supply, while reducing reliance on China.

Terry Precision Cycling of Burlington joined four other US businesses in the lawsuit challenging the legality of the tariffs that won a unanimous victory in its first round in court on Wednesday.

Neither the Constitution nor any statute authorizes Trump to impose what he ordered.

After weeks of uncertainty and clashes with major companies, Trump's tariffs hit their biggest roadblock yet in court, and while they may be back in place for now, a final ruling should be imminent.