Will Patent Battles End Free Linux?

"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..."

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