Judgment of the Court of First Instance in Case T-201/04. Microsoft Corp. v Commission of the European Communities

Competition – Abuse of dominant position – Client PC operating systems – Work group server operating systems – Streaming media players – Decision finding infringements of Article 82 EC – Refusal of the dominant undertaking to supply and authorise the use of interoperability information – Supply by the dominant undertaking of its client PC operating system conditional on the simultaneous acquisition of its media player – Remedies – Appointment of an independent monitoring trustee – Fine – Determination of the amount – Proportionality