Alphabet’s Google has lost its prolonged legal battle against a European Union antitrust fine related to its Android mobile operating system, with the bloc’s highest court upholding a penalty totaling €4.1 billion. The ruling, delivered on Thursday by the Court of Justice of the European Union in Luxembourg, marks a significant moment in the EU’s ongoing efforts to increase regulatory scrutiny of large technology companies.

The fine, originally imposed by the European Commission in 2018, stemmed from Google’s contractual agreements requiring phone manufacturers to preinstall Google Search, the Chrome browser, and the Google Play app store on Android devices. These agreements also reportedly restricted manufacturers from installing competing operating systems, practices the Commission found to constitute an abuse of Google’s dominant market position. Following an initial imposition of €4.34 billion, a lower tribunal reduced the fine to €4.1 billion in 2022.

Google appealed the decision, contesting the amount and the findings underlying the penalty. However, the EU’s highest court dismissed the appeal, affirming the Commission’s conclusions and the lower court’s ruling. The judges confirmed that Google had exploited its dominant position through the Android operating system to the detriment of competition.

In response to the verdict, a Google spokesperson emphasized the company’s continued commitment to maintaining an open and interoperable Android platform that remains free for users, developers, and partners. The statement noted that Google adapted its agreements to comply with the initial 2018 decision and is focused on ongoing innovation.

This case adds to a series of antitrust enforcement actions taken by the European Commission against Google over the past 15 years. In 2017, Google was fined €2.42 billion for favoring its own shopping comparison service in search results, a penalty that the company also unsuccessfully appealed. Over the last decade, Google has faced nearly €11 billion in fines from the EU across multiple cases.

The court ruling is seen as a reinforcement of the EU’s regulatory approach toward Big Tech firms, signaling heightened efforts to curtail anti-competitive behavior in digital markets. As the enforcement landscape evolves, companies operating globally must navigate increasingly stringent competition laws, with this latest decision underlining the EU’s willingness to impose substantial penalties for compliance failures.