EU court sets Microsoft interoperability non-compliance penalty at €860 million

The European Commission imposed a periodic penalty after finding that Microsoft had not made interoperability information available to competitors on reasonable terms, as required by the 2004 antitrust decision. Microsoft challenged the amount before the General Court.

Confirmed

Case ID: microsoft-interoperability-penalty-2012

What the record establishes

The General Court largely confirmed the Commission’s non-compliance decision but reduced the periodic penalty from €899 million to €860 million. This is a distinct follow-on enforcement action concerning compliance with the 2004 remedy, not a second count of the original infringement.

Sources

  1. Primary recordPress release on the judgment in Microsoft v Commission, T-167/08Court of Justice of the European Union · 27 June 2012 · accessed 11 August 2026

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