For years, the Trump administration’s rare-earth strategy has been straightforward: reduce dependence on China and create an American supply chain for the critical minerals powering everything from electric vehicles to fighter jets. Now two of the strategy’s biggest beneficiaries are fighting each other.
MP Materials Corp. (NYSE:MP), the only active rare-earth miner in the U.S., has filed a lawsuit against USA Rare Earth, Inc. (NASDAQ:USAR), accusing the company of stealing proprietary magnet technology. The legal battle pits two companies backed by the Trump administration’s push to challenge China’s dominance of the rare-earth supply chain against one another.
America’s Rare Earth Champions Clash
According to a complaint filed in Texas, MP Materials alleges that USA Rare Earth unlawfully obtained technology used to improve the performance of permanent magnets. The technology is a key component in products ranging from smartphones and consumer electronics to military equipment and electric vehicles.
The company claims a former employee disclosed proprietary information after joining USA Rare Earth last year.
“USA Rare Earth has repeatedly failed to meet its commercial and performance targets and is now resorting to stealing technology to dig itself out,” MP Materials alleged in the filing, Financial Times reported.
USA Rare Earth pushed back, saying MP Materials had “misrepresented our company, our culture, and our people” and that it would defend itself vigorously.
The dispute arrives at an awkward moment for Washington’s effort to build a domestic alternative to China’s rare-earth ecosystem.
A Supply Chain Built To Challenge China
Both companies occupy important positions in the government’s critical minerals strategy.
Last year, MP Materials secured a landmark agreement with the U.S. government that included a minority ownership stake and price support mechanisms designed to accelerate domestic rare-earth production.
USA Rare Earth has also emerged as a major beneficiary of the government’s efforts to develop a mine-to-magnet supply chain independent of China. Earlier this year, the company secured conditional federal funding to support its planned Texas mine and Oklahoma magnet manufacturing facility.
The broader goal is clear: reduce America’s dependence on China, which remains the dominant force across much of the global rare-earth supply chain.
The Stakes Extend Beyond A Lawsuit
The timing of the dispute highlights how competitive the race to build a domestic rare-earth industry has become.
As Western governments scramble to secure supplies of critical minerals, companies are increasingly racing to establish businesses that span mining, processing, and magnet manufacturing. Being among the first to build that integrated supply chain could unlock valuable commercial partnerships and government support.
MP Materials has already signed a magnet supply agreement with General Motors Co (NYSE:GM), while USA Rare Earth is working toward commercial-scale mining and manufacturing operations later this decade.
For investors, the lawsuit represents more than a legal fight between two companies.
It is a reminder that America’s effort to loosen China’s grip on rare earths is still in its early stages—and that some of the fiercest battles may be taking place between domestic rivals, not overseas competitors.
Photo: RHJPhtotos / Shutterstock
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