In May 2026, the U.S. Federal Trade Commission (FTC) formally launched an antitrust investigation into British chip design giant Arm Holdings, with core concerns centering on whether its semiconductor technology licensing practices constitute illegal monopolization. This investigation marks a deep regulatory examination of the business model of this dominant chip IP licensor, with the immediate catalyst being Arm's own major strategic transformation.

The FTC's investigation aims to assess whether Arm will leverage its market dominance to deny licenses to customers or degrade the quality of licensed designs while accelerating its self-developed chip business. Regulators are concerned that Arm may seek unfair competitive advantages for its own products by restricting access to core technologies.

Arm's Transformation Background

The central context of this investigation is Arm's first self-developed data center CPU released in March 2026—the Arm AGI CPU. This chip utilizes TSMC's 3-nanometer process, integrates 136 Arm Neoverse V3 cores per die, and was jointly developed by Arm and Meta. Official claims state its single-rack performance exceeds traditional x86 platforms by more than twofold. This move shattered Arm's thirty-plus-year "design-only, no manufacturing" pure IP licensing model, transforming the company from a pure IP licensor into a direct competitor in the downstream chip market.

Estrangement with Major Customer Qualcomm

This strategic shift has turned Arm's relationship with long-term partner Qualcomm from collaboration into direct competition. The investigation is closely linked to Qualcomm's global complaints. In March 2025, Qualcomm filed appeals with the U.S. FTC, the European Commission, and the Korea Fair Trade Commission, alleging that Arm was abusing its market dominance to restrict competition. The feud between the two companies traces back to licensing disputes triggered by Qualcomm's 2021 acquisition of chip design firm Nuvia, with Qualcomm having already secured a favorable ruling in subsequent related litigation.

Global Scrutiny and Industry Impact

Beyond the United States, the Korea Fair Trade Commission conducted an on-site investigation at Arm's Seoul office in November 2025. Arm has vigorously denied the allegations, characterizing Qualcomm's claims as "baseless" and merely a tactic to gain advantage in ongoing commercial disputes. This investigation concerns not merely the business practices of a single company, but touches upon the fundamental question of how the core IP licensing business model in the semiconductor industry will evolve going forward. As Arm enters the chip manufacturing arena itself, how it balances its relationships with hundreds of licensing customers will become the key determinant of its future and the broader industry landscape.

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