Rivian filed a lawsuit against the U.S. government on July 23, 2026, in the U.S. Court of International Trade, seeking a full refund of tariffs it paid under President Trump's "Liberation Day" tariffs. The Supreme Court subsequently ruled those tariffs unconstitutional. The suit names the United States, U.S. Customs and Border Protection (the agency that collects import duties), and CBP Commissioner Rodney Scott as defendants. TechCrunch

The Trump administration had justified the tariffs using the International Emergency Economic Powers Act, or IEEPA, a law originally designed to let presidents freeze foreign assets during national emergencies. CBP collected the duties on the administration's behalf. After the Supreme Court struck down the IEEPA tariff authority as unconstitutional, the question of what happens to the money already paid remained unresolved. Rivian's complaint states that "importers that have paid IEEPA tariffs, including Plaintiffs, are not guaranteed a refund of amounts previously paid based on the Supreme Court's decision," making separate legal action necessary to secure repayment. TechCrunch

Rivian is asking the Court of International Trade to declare the tariffs "contrary to law," issue a refund with interest, and pay associated court fees. The complaint was reviewed and linked by TechCrunch and is hosted on DocumentCloud. TechCrunch

The financial stakes for Rivian are concrete. CFO Claire McDonough said in April that the company expected a refund in the "tens of millions of dollars." CEO RJ Scaringe told Reuters that the tariffs initially raised the cost of each vehicle by "a couple of thousand dollars," though by the end of 2025 the company had reduced the per-vehicle impact to "low hundreds of dollars." TechCrunch

The refund process more broadly has been fitful. The Cato Institute reported earlier in July 2026 that $71 billion in IEEPA tariff refunds had been paid out, but identified "frictions" and "obstacles for importers seeking refunds" in the process. CBP told TechCrunch that over $121 billion in "potential and certified refunds have been accepted for processing" but declined to comment specifically on Rivian's lawsuit. TechCrunch

The gap between those two figures — $71 billion paid versus $121 billion accepted for processing — captures the core problem Rivian is litigating around. The Supreme Court's ruling established that the tariff authority was unconstitutional, but it did not automatically trigger a refund mechanism for every importer who paid. Think of it like a court ruling that a parking fee was illegally imposed: the ruling voids the fee going forward, but it doesn't set up a toll booth to hand back what people already paid. You still have to ask, and the asking has not been straightforward.

For an EV manufacturer operating on thin margins and managing a complex supply chain that spans multiple tariff-affected categories, the difference between eventually receiving a refund and securing one through a court order with interest is material. Interest accrual alone on tens of millions in paid duties could amount to a meaningful recovery, and a court declaration that the tariffs were "contrary to law" would strengthen Rivian's position relative to any administrative adjudication of its refund claim.

Rivian did not immediately respond to TechCrunch's request for comment on the lawsuit. TechCrunch

The broader context here is that Rivian is unlikely to be the only importer that concludes litigation offers a faster or more certain path to recovery than the administrative refund pipeline. CBP's own figures — over $121 billion accepted for processing against $71 billion actually paid out per Cato's earlier reporting — suggest a substantial backlog or friction point in the system. Individual companies with large tariff exposure and the resources to pursue a court action have a clear incentive to follow Rivian's approach, particularly if the Court of International Trade signals that it will entertain such claims efficiently. The outcome of this suit could set a practical template for how post-ruling refunds are actually recovered, not just theoretically owed.