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Stac Electronics controversies

Controversies tied to this brand in public sources. A listing is not a finding of fault.

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  1. 1993

    Stac–Microsoft DoubleSpace patent dispute

    Stac alleged that Microsoft’s DoubleSpace feature in MS-DOS 6.0 infringed Stac’s compression patents after licensing discussions and technical review. Microsoft counterclaimed over an alleged trade-secret misappropriation. The 1994 verdict awarded Stac $120 million and Microsoft $13.6 million; the dispute was later settled.