Skip to content
Reducedperiodic penalty · Antitrust (periodic penalty)

Microsoft's €899M non-compliance penalty, cut to €860M

€860M

$929M at the time

European Commission

EU · 2008

Status: Reduced

What happened

The Commission penalised Microsoft for charging unreasonable royalties for the interoperability information required by the 2004 decision. On appeal the penalty was trimmed to €860M.

How it affected users

Rivals continued to face barriers to building software that worked well with Windows.

Status timeline

  1. Feb 27, 2008

    €899M penalty imposed for unreasonable interoperability royalties.

    Effective amount: ≈ $971M

  2. Jun 27, 2012

    Slightly reduced to €860M by the EU General Court.

    Effective amount: ≈ $929M

Sources

Last verified 2026-07-02. Spotted an error? Report a correction.

Cite this entry

Deepak Gupta, "Microsoft's €899M non-compliance penalty, cut to €860M," Tech Fines Directory, guptadeepak.com, 2008-02-27. https://guptadeepak.com/tech-fines/violation/microsoft-eu-noncompliance-2008/

Related penalties