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Autodesk Faces Patent Suit Over AutoCAD Software

Law360 (April 23, 2009, 12:00 AM EDT) -- A patent assignee has targeted Autodesk Inc., the maker of the multimillion-dollar design software AutoCAD, in a lawsuit claiming the product infringes one of its patents.

American Imaging Systems Inc. filed suit in the U.S. District Court for the Northern District of Texas on Wednesday, accusing Autodesk of violating a patent it has held since June.

According to the complaint, Autodesk has infringed the patent with the sale of its computer aided design, or CAD, products, including AutoCAD and AutoCAD Raster Design.

The patent, U.S. Patent...
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