US final judgment imposes remedies after Microsoft antitrust liability

After trial and appeal, liability remained for Microsoft’s unlawful maintenance of its operating-system monopoly through exclusionary conduct affecting middleware and browser competition. The 2002 final judgment resolved the federal and settling-state remedy proceedings.

Confirmed

Case ID: microsoft-us-antitrust-2002

What the record establishes

The judgment restricted retaliation and discriminatory licensing, required disclosure of interfaces and protocols, and created compliance and monitoring obligations. It did not impose a monetary penalty; the decree remained in force, with modifications, until 2011.

Sources

  1. Primary recordU.S. v. Microsoft Corporation browser and middleware caseUnited States Department of Justice · accessed 11 August 2026

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