AutoCAD Software Maker Says Infringement Claims Barred

Law360, Dallas (April 9, 2013, 7:50 PM EDT) -- Autodesk Inc., the maker of the popular design software AutoCAD, on Tuesday opened a bench trial in Texas federal court by arguing that two patents it is accused of infringing are unenforceable because of the plaintiff's inequitable conduct and purposeful destruction of evidence.

In the severed trial, Autodesk also argued that plaintiff American Imaging Services Inc. waited too long to bring its infringement claim so is barred by laches and that the plaintiff has unclean hands because it developed the patented technology, an add-on program to...
To view the full article, register now.