Rivian sues the US government not because the legal battle is in doubt, but because winning at the Supreme Court is apparently not enough to guarantee getting your money back. The electric vehicle maker filed suit on Thursday in the US Court of International Trade, naming the US government, US Customs and Border Protection (CBP), and CBP commissioner Rodney Scott as defendants, seeking a full refund of tariffs it paid under President Trump’s ‘Liberation Day’ levies.
A Supreme Court Win That Still Needs a Paper Trail
The Supreme Court ruled on 20 February 2026, in Learning Resources, Inc. v. Trump, that the International Emergency Economic Powers Act (IEEPA) does not authorise the imposition of tariffs, invalidating the entire programme. The Trump administration had declared a national emergency over US trade deficits and used IEEPA to impose a 10% baseline tariff on nearly every trading partner, with reciprocal rates reaching up to 50% on some countries, according to CNET.
The court’s ruling, though, does not automatically trigger a cheque. As Rivian’s lawyers wrote in the nine-page complaint: ‘Although the Supreme Court invalidated the tariffs, this separate action remains necessary because importers that have paid IEEPA tariffs, including Plaintiffs, are not guaranteed a refund of amounts previously paid based on the Supreme Court’s decision.’
That is the crux of why Rivian sues the US government separately: a declaratory win is not the same as a disbursement. The automaker is asking the trade court to declare the tariffs contrary to law, order a refund with interest, and recover any associated court fees. Rivian is represented by Chicago-based Page Fura, P.C., a firm specialising in international trade law.
Tens of Millions on the Table, With No Receivable Yet Booked
During Rivian’s first-quarter earnings call on 30 April, CFO Claire McDonough put a number on it: ‘We do believe that the recovery of those IEEPA tariffs is possible in the future, and I can contextualize the sizing to be in the tens of millions of dollars of future benefit.’
The company, though, had not yet put that money on its balance sheet. Rivian’s 10-K filed with the SEC shows a net loss of $3.646 billion for the year ended 31 December 2025, down from $4.747 billion in 2024 and $5.432 billion in 2023, on total revenues of $5.387 billion. Gross profit for the year was $144 million. Against that backdrop, a refund in the tens of millions is not transformative, but it is not nothing either.
The tariffs hit Rivian’s cost structure across two fronts. CEO RJ Scaringe told Reuters last year that he expected each vehicle’s cost to rise by ‘a couple of thousand dollars’ as a result. By end-2025, he said the company had brought that down to ‘low hundreds of dollars.’ CNET reports the tariffs also disrupted Rivian’s access to raw materials, components, and its ability to price competitively.
A Refund Queue That Moves Slowly
CBP has been processing refunds through a phased system called the Custom Automated Processing Engine (CAPE), which it unveiled in a March 2026 court declaration. Phase 2 launched on 29 June 2026, with Phase 3 expected by end of July, according to Thompson Hines Smart Trade.
CBP told TechCrunch that over $121 billion in both potential and certified refunds had been accepted for processing. The scale of the exercise is considerable: legal specialists at Zaino Hall & Farrin estimate that US importers paid as much as $166 billion in IEEPA duties across more than 53 million entries, from over 330,000 importers of record. The gap between those two numbers hints at the administrative mountain still ahead.
Earlier this month, the Cato Institute wrote that $71 billion had actually been paid out, suggesting that ‘frictions built into’ the refund process had created ‘obstacles for importers seeking refunds.’ The CBP’s official IEEPA Duty Refunds page states that all refunds must be paid electronically and that the agency charges no fees for processing, which is reassuring as a policy but says nothing about pace.
A separate CIT order requiring CBP to begin issuing refunds was issued back in March 2026, according to PPAI, in Atmus Filtration, Inc. v. United States. Rivian joins a long list of companies that evidently do not fancy waiting to see where they end up in the queue.
The lawsuit lands as Rivian is rolling out its R2 SUV, expecting to ship around 20,000 to 25,000 units before year-end, and has recently raised around $1.3 billion in a share sale to shore up its cash position. Profitability is still pencilled in for around 2028. Every dollar helps; recovering a ‘tens of millions’ refund while burning through losses at that scale is a small patch on a large tyre, but it is the kind of patch worth filing nine pages of legal argument to secure.
