Microsoft loses patent suit to Z4 Technologies

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Microsoft Corp. and Autodesk Inc. must pay $133 million to a Michigan man who claimed he was owed royalties for inventions to prevent software piracy, a jury ruled. The $115 million coming from Microsoft is the second-largest patent loss for Microsoft in history. I’m guessing this one will be appealed, if it already hasn’t been.

The Tyler, Texas, jury Wednesday awarded Z4 Technologies, founded by David Colvin of Commerce Township, Mich., $115 million from Microsoft and $18 million from Autodesk. Colvin claimed two patents were infringed by software including Microsoft’s Office and Windows XP and Autodesk’s AutoCAD. The verdict is the second-largest patent loss for Microsoft, the world’s biggest software maker.

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