Rivian has filed a lawsuit against the US government in an attempt to recover a “full refund” of the tariffs it paid under President Trump’s “Liberation Day” taxes, which the Supreme Court later declared unconstitutional.

The automaker joins a long list of companies seeking such refunds. In April, Rivian Chief Financial Officer Claire McDonough said she expected the company to get a refund of “tens of millions of dollars.”

Rivian’s move comes as the company is in the midst of launching its first mass-market SUV, the R2. It hopes to ship between 20,000 and 25,000 of them by the end of this year and help the company finally reach profitability. Reaching that goal may not happen until 2028, however, as Rivian is investing a lot of money into autonomous vehicle development right now. The company recently sold shares to raise about $1.3 billion and help top up its cash balance in the meantime.

The lawsuit, filed Thursday in the US Court of International Trade, names the US government, US Customs and Border Protection (CBP) and its commissioner Rodney Scott as defendants. CBP collected the tariffs on behalf of the Trump administration, which attempted to justify them under the International Emergency Economic Powers Act (IEEPA).

In a statement to TechCrunch, CBP said more than $121 billion in “potential and certified refunds” have been accepted for processing. The agency did not comment specifically on the lawsuit.

Earlier this month, the Cato Institute wrote that $71 billion had been paid out, which “suggests that built-in frictions” in the refund process created “obstacles for importers seeking refunds.”

According to Rivian’s lawsuit, the company wants a guarantee that it will get its money (and the appropriate amount) back from the government.

“Although the Supreme Court invalidated the tariffs, this separate action remains necessary because importers who have paid IEEPA tariffs, including plaintiffs, are not guaranteed a refund of amounts previously paid based on the Supreme Court’s decision,” Rivian’s lawyers wrote in the lawsuit.

Rivian did not immediately respond to requests for comment.

Rivian CEO RJ Scaringe told Reuters last year after the tariffs were imposed that he expected the cost of each vehicle to increase by “a couple thousand dollars” as a result. By the end of 2025, he said, the company had mitigated the impact to “low hundreds of dollars.”

“The environment resulting from trade retaliation or other practices or additional trade restrictions or barriers has harmed, and could continue to harm, our ability to obtain necessary raw materials, components and equipment and could harm our ability to sell our products and services at prices that customers are willing to pay,” the company wrote in a regulatory filing earlier this year.

Rivian is asking the commercial court to declare the fees “contrary to the law,” issue a refund with interest, and pay associated legal costs.