[SMM Aluminum Flash News] US Rare Earth Competition Intensifies as MP Materials Sues USA Rare Earth

Published: Jul 2, 2026 17:49

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MP Materials has filed a lawsuit against USA Rare Earth, alleging the company obtained confidential rare earth magnet technology through former employees and seeking at least USD 5 million in damages. The dispute centres on grain boundary diffusion technology used to improve magnet performance. Both companies denied wrongdoing and continue expanding domestic rare earth production with US government support, highlighting intensifying competition for technology, talent and supply chain leadership as the US seeks to reduce dependence on Chinese rare earth materials.

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