"Is the open-source community stealing ideas from commercial
vendors? IP Innovations seems to think so; the patent-holding
company recently filed a lawsuit for patent infringement against
Linux distributors Red Hat and Novell, claiming that Linux uses
ideas originally developed at the Xerox PARC laboratory.
"Open-source proponents say this a frivolous lawsuit from a
company whose unsavory business model is to sue companies over
intellectual property (IP) and patent issues..."