Arm faces U.S. FTC probe

Arm Holdings is facing a reported U.S. Federal Trade Commission antitrust probe over how it licenses semiconductor technology used across phones, PCs and data-center chips, according to Bloomberg and Reuters on May 15. The inquiry centers on whether the British chip designer is using its position in processor architecture to restrict or reshape access to key technology. Arm has not announced a public enforcement action by the FTC, and the regulator does not typically comment on nonpublic investigations. The report adds U.S. scrutiny to a broader dispute over how Arm licenses the intellectual property at the center of much of the chip industry. ### What exactly are U.S. regulators said to be investigating? Bloomberg reported on May 15 that the FTC is investigating whether Arm is trying to illegally monopolize parts of the semiconductor market through its licensing practices. Reuters, citing the Bloomberg report, said the agency is assessing whether Arm could reject or downgrade licensing agreements for chip blueprints used to design central processing units. (money.usnews.com) The reported focus is not on chips Arm manufactures itself — Arm largely licenses designs and instruction-set technology to other companies. Arm says on its licensing pages that it provides technology building blocks, software and tools to companies developing silicon and computing platforms, while its annual report says revenue comes from licensing agreements and royalties on chips shipped by partners. (money.usnews.com) ### Why do Arm’s licensing terms matter so much to chip companies? Arm’s business model sits near the base of the semiconductor supply chain. The company says its technology is used to build CPUs and platforms that power billions of devices, and its fiscal 2025 annual report describes revenue from new licenses, renewals and royalties tied to customer chip shipments. SoftBank’s 2025 annual report described two main commercial models at Arm: Arm Total Access, a subscription-style arrangement, and Arm Flexible Access, a pay-as-you-go model with manufacturing fees due at tape-out. (arm.com) Those structures help determine which customers can access what technology, on what timetable and under what commercial terms. ### How does this connect to Qualcomm’s fight with Arm? (arm.com) Qualcomm has been one of Arm’s most visible adversaries on licensing. Reports in March 2025 said Qualcomm had filed complaints with regulators in the United States, Europe and South Korea, accusing Arm of restricting access to technology and harming competition. Arm denied those allegations, according to reports citing the companies. (group.softbank) Qualcomm also fought Arm in Delaware over licenses tied to Nuvia, the chip startup Qualcomm acquired in 2021. Qualcomm said in a September 2025 release that a U.S. District Court entered final judgment in its favor after a December 2024 jury trial victory over Arm’s claims concerning licensing agreements. That release reflects Qualcomm’s account of the litigation outcome. (eenewseurope.com) ### What has Arm said publicly about its licensing business? Arm’s public materials emphasize scale and broad access rather than exclusivity. The company says its licensing business is designed to make Arm technology available to companies of different sizes and industries, and it highlights portfolio access, design rights and support across multiple licensing programs. The fiscal 2025 annual report filed with the SEC said Arm’s license and other revenue rose because of new agreements, renewals and access to newer versions of its technology. (investor.qualcomm.com) That filing did not disclose an FTC antitrust action, but it laid out how central licensing remains to Arm’s revenue model. ### What should readers watch next? (arm.com) The FTC has not publicly announced a complaint, settlement or lawsuit against Arm as of May 17, 2026, based on the reporting reviewed here. That means the next concrete milestone would most likely be a public statement from the FTC, a disclosure by Arm in SEC filings or earnings materials, or comments from named parties including Arm, Qualcomm or SoftBank. (sec.gov) Arm’s investor relations site says quarterly and annual results are posted there, and its SEC filings page lists new disclosures as they are filed. Those records are the most likely place for a formal company acknowledgment if the reported probe develops into a disclosed regulatory proceeding. (investors.arm.com) (money.usnews.com)