Finalperiodic penalty · Antitrust (periodic penalty)
Microsoft fined €280.5M for non-compliance
€280.5M
≈ $303M at the time
European Commission
EU · 2006
Status: Final
What happened
The Commission imposed a periodic penalty for Microsoft's failure to comply with the 2004 decision, specifically for not supplying complete interoperability information on reasonable terms.
How it affected users
The delay prolonged the harms of the original abuse for years.
Status timeline
Jul 12, 2006
Penalty announced.
Sources
Last verified 2026-07-02. Spotted an error? Report a correction.
Cite this entry
Deepak Gupta, "Microsoft fined €280.5M for non-compliance," Tech Fines Directory, guptadeepak.com, 2006-07-12. https://guptadeepak.com/tech-fines/violation/microsoft-eu-noncompliance-2006/