Rivian sues US government for full refund of Trump-era IEEPA tariffs

Rivian filed suit against the US government on July 24, seeking a full refund — with interest — of tariffs it paid under President Trump's "Liberation Day" trade policy, which the Supreme Court ruled unconstitutional in February. The lawsuit, filed in the US Court of International Trade, names the federal government, US Customs and Border Protection, and CBP Commissioner Rodney Scott as defendants. Rivian is seeking tens of millions of dollars, according to figures CFO Claire McDonough previously cited in April.

The legal backdrop

In a 6-3 ruling on February 20, the Supreme Court held that tariffs imposed under the International Emergency Economic Powers Act — including both the broad "reciprocal" tariffs applied to most US trading partners and the separate tariffs tied to China, Canada, and Mexico over opioid-related immigration concerns — were unlawful. All IEEPA-based tariffs formally terminated at midnight Eastern on February 24. The federal government conceded it would not oppose reliquidation of unlawfully collected duties once a final, unappealable ruling was reached — but conceding the principle and actually processing refunds have proven to be two different things.

That gap is the substance of Rivian's complaint: the automaker argues that despite the Supreme Court's ruling, importers still need a judicial guarantee that refund payments will actually be issued. CBP has stated that more than $121 billion in potential and certified refunds have been accepted for processing, but the Cato Institute has reported that only roughly $71 billion has actually been paid out — a gap that suggests real bureaucratic friction between the court's ruling and money moving back into companies' accounts.

What the tariffs actually cost Rivian

Rivian's own disclosures earlier this year illustrate the scale of the disruption. CFO Claire McDonough said in April that the company initially expected the tariffs to add "a couple thousand dollars" to the cost of each vehicle — a serious hit for an automaker still working toward consistent profitability. By the end of 2025, Rivian had managed to mitigate that impact down to the "low hundreds of dollars" per vehicle through supply chain adjustments, but the cumulative tariffs paid over that period are what the company is now suing to recover in full.

Why this matters beyond Rivian

Rivian is not alone in pursuing this route. More than 1,000 companies — including Costco, Goodyear Tire, Dole Fresh Fruit, and Kohl's — have filed similar suits or claims to recoup IEEPA tariff costs since the Supreme Court's ruling. Rivian's case adds a prominent EV manufacturer to that list at a moment when the company is still working toward its stated goal of reaching profitability on its upcoming R2 SUV by 2028 — money tied up in unrefunded tariffs is money not available for that push. The outcome of Rivian's suit, and the broader wave of refund litigation it joins, will help determine whether the Supreme Court's February ruling translates into actual returned capital for importers, or whether affected companies face years of case-by-case litigation to collect what courts have already said they're owed.