Opera Ltd lost its court challenge against the European Commission's decision to exempt Microsoft's Edge browser from Digital Markets Act rules, the General Court of the European Union confirmed on 2 September 2026. The Norwegian browser maker had contested the Commission's 2024 designation decision, arguing that Edge should face the same obligations as other gatekeepers under the EU's flagship tech regulation.
The case centres on one of the more contentious provisions of the Digital Markets Act: the Commission's ability to exempt services that meet quantitative thresholds if they do not function as important gateways for businesses to reach end users. Edge met the numerical criteria set out in the legislation, yet the Commission concluded it did not warrant gatekeeper status based on qualitative market assessment.
This judgment reinforces the European Commission's discretion in applying the DMA's gatekeeper framework. The court's rejection of Opera's challenge suggests that meeting quantitative thresholds alone does not automatically trigger gatekeeper obligations if the Commission's qualitative analysis finds limited actual market power in practice.
The DMA's gatekeeper designation framework
The Digital Markets Act entered into force in 2022 with the objective of constraining the market power of the largest technology platforms. The legislation identifies gatekeepers through a combination of quantitative thresholds and qualitative assessment. Companies must meet specific size criteria relating to turnover, market capitalisation, and user numbers across the European Union.
However, the regulation includes an escape clause. Even when a service meets all numerical thresholds, the Commission can determine it does not function as an important gateway for business users to reach end users. This qualitative override was designed to prevent the DMA from capturing services that, despite their size, do not actually control access to markets in ways that harm competition.
Microsoft's Edge browser fell into this category according to the Commission's 2024 decision. The browser runs on Windows, which itself was designated as a gatekeeper operating system. Yet the Commission concluded that Edge does not function as a separate gateway in the browser market, even though it satisfied the user number thresholds that would normally trigger designation.
Opera's position in the browser market
Opera Ltd operates a browser that competes directly with Edge, Chrome, Safari and Firefox across desktop and mobile platforms. The company is publicly listed and has sought to position itself as a privacy-focused alternative to the browsers offered by larger technology companies. Unlike Microsoft, Google or Apple, Opera does not control a major operating system or ecosystem that could naturally drive browser adoption.
From Opera's commercial perspective, the Commission's decision creates an uneven competitive landscape. Edge benefits from its integration with Windows without facing the DMA obligations that would otherwise constrain how Microsoft can promote or configure the browser. Opera argued this exemption undermined the DMA's objective of ensuring contestable markets in digital services.
The browser market has long been dominated by a small number of players. Google's Chrome holds the largest share globally, followed by Safari on mobile devices due to Apple's iOS ecosystem. Edge has gained share since Microsoft rebuilt it on Chromium technology, while Firefox and Opera occupy smaller niches. The DMA was intended to prevent entrenched positions from becoming unassailable through regulatory constraints on gatekeeper behaviour.
The Commission's qualitative assessment
The European Commission's reasoning in exempting Edge rested on its assessment of how businesses actually reach users through browsers. The Commission concluded that Edge does not function as an important gateway in the sense contemplated by the DMA, despite meeting the user number thresholds specified in the legislation.
This distinction matters because the DMA targets services that control access between business users and end users. A browser could theoretically meet size thresholds while not actually functioning as a bottleneck for business access. The Commission's analysis presumably examined whether businesses depend on Edge specifically to reach users, or whether they can equally reach the same users through other browsers.
The Commission's digital markets enforcement has faced scrutiny over its designation decisions since the DMA began applying in 2023. Several companies have questioned whether the qualitative assessment is being applied consistently, or whether it creates loopholes that allow large technology companies to avoid obligations their competitors face.
Court review of Commission decisions
The General Court of the European Union reviews challenges to Commission decisions under EU competition and digital markets law. The court does not typically substitute its own assessment for that of the Commission. Instead, it examines whether the Commission followed proper procedures, considered relevant factors, and reached conclusions supported by evidence.
Opera's challenge required demonstrating that the Commission made an error in its qualitative assessment of Edge's gateway status. The court's rejection indicates that Opera failed to show the Commission's decision was legally flawed. This does not necessarily mean the court agreed with the Commission's substantive conclusion, only that the decision was within the Commission's lawful discretion.
The General Court has increasingly handled cases involving digital markets regulation as the DMA, Digital Services Act and competition enforcement generate litigation. These cases require judges to understand complex technical and economic questions about how digital platforms operate and compete.
Implications for future gatekeeper designations
The court's judgment strengthens the Commission's hand in future designation decisions. Companies that meet quantitative thresholds cannot assume they will automatically face DMA obligations if they can argue they do not function as important gateways. This creates a two-stage analysis where numerical criteria trigger review but do not determine outcomes.
For competitors like Opera, the ruling means legal challenges to exemption decisions face a high bar. The Commission's qualitative assessment receives judicial deference, making it difficult to overturn designation decisions through litigation alone. Companies may need to focus on political and regulatory pressure rather than court challenges.
The DMA includes provisions for updating gatekeeper designations as markets evolve. The Commission must review its designations periodically and can add or remove services based on changing market conditions. Edge's exemption could theoretically be revisited if the Commission's assessment of its gateway status changes over time.
Microsoft's position following the ruling
Microsoft Corporation benefits from Edge's exemption in several ways. The browser does not face DMA obligations that would constrain how Microsoft integrates it with Windows or promotes it to users. This allows Microsoft to continue leveraging its operating system position to drive Edge adoption without the regulatory constraints that apply to designated gatekeeper browsers.
However, Windows itself remains designated as a gatekeeper operating system. Microsoft faces DMA obligations relating to how it operates Windows, including requirements around interoperability and user choice. The Edge exemption applies specifically to browser obligations, not to the broader constraints that apply to the Windows platform.
Microsoft has generally sought to comply with DMA obligations while minimising operational disruption. The company has made changes to Windows to allow users to more easily choose alternative browsers and applications. The Edge exemption means fewer browser-specific changes are required, though Windows-level obligations continue to apply.
Organisations
Opera Ltd · Microsoft Corporation · European Commission · General Court of the European Union
