Alphabet Faces Mounting Legal Challenges on Dual Fronts

Alphabet navigates major US antitrust appeals and EU probes while reporting robust 2025 revenue growth and massive 2026 capex plans.

Alphabet Inc., the parent company of Google, is navigating intensifying antitrust scrutiny simultaneously in the United States and Europe. This multi-jurisdictional pressure is creating a complex and costly legal landscape for the tech giant, even as its core business operations continue to demonstrate robust financial health.

Strong Operational Performance Amidst Legal Headwinds

Despite the regulatory overhang, Alphabet's business fundamentals remain solid. The company reported a significant 18% year-over-year revenue increase to $113.8 billion for the fourth quarter of 2025. A major growth driver was Google Cloud, which surged 48% to $17.7 billion, fueled by rising corporate demand for artificial intelligence infrastructure. Looking ahead to 2026, Alphabet has outlined capital expenditure plans ranging from $175 billion to $185 billion.

Currently, Alphabet's share price trades approximately 9% below its 52-week high of €291.60, which was recorded in early February. Market sentiment appears to reflect ongoing legal uncertainty, with investors seemingly cautious about a return to previous peak valuations until regulatory risks are clarified.

Escalating Antitrust Battle in the United States

The legal confrontation with U.S. authorities has entered a new phase. Both Google and the Department of Justice have filed appeals challenging parts of Judge Amit Mehta's landmark ruling in the search monopoly case. Google is seeking to overturn the core monopoly designation entirely, while the Justice Department continues to advocate for a corporate breakup, despite Judge Mehta's September 2025 decision that did not mandate the sale of Chrome or Android.

The existing remedies from the trial court prohibit Google from establishing exclusive search engine agreements and require it to share search index data and user interaction data with competitors. These conditions were further tightened in December 2025, with Judge Mehta adding obligations for Google to disclose information related to the training of its AI applications. Google has requested a stay on these specific requirements pending the outcome of the appeal.

The appellate court is expected to hear the case later this year. Based on historical timelines, a final ruling could be delivered roughly one year after the appeal was filed.

A Separate U.S. Legal Front: Advertising Technology

Beyond the search monopoly case, Alphabet is defending itself in another major antitrust proceeding. A federal court in Virginia has already ruled that Google violated competition law within the digital open-web advertising market. The court is now in the process of determining potential remedies, which could include an order for Google to divest parts of its ad-tech business.

European Union Investigates DMA Compliance

Across the Atlantic, regulatory pressure is also building. A coalition of European publishers and technology associations has formally urged the European Commission to conclude its nearly two-year-long Digital Markets Act (DMA) investigation into Google this week. Signatories to the letter include the European Publishers Council—with members such as Axel Springer, News Corp, and Condé Nast—as well as the European Tech Alliance and the German Startup Association.

The central allegation is that Google systematically favors its own services in search results over those of third-party providers, thereby violating DMA principles mandating fair, transparent, and non-discriminatory treatment. The coalition is pushing for a formal non-compliance decision, accompanied by a cease-and-desist order and a substantial deterrent fine.

Penalties for DMA violations can reach up to 10% of a company's global annual revenue. Given Alphabet's total 2025 revenue of $402.84 billion, the potential financial exposure is considerable.

A Protracted Legal Journey Ahead

With the DOJ appeal, the ongoing EU DMA probe, and the ad-tech case, Alphabet is poised for years of legal proceedings. The long-term impact of the mandated data-sharing requirements in the search sector on Google's competitive edge and its AI strategy will only become clear once appellate courts issue their final decisions—likely no earlier than 2027.