Novell Inc. is prepared to use its portfolio of U.S. software patents to protect against patent lawsuits the open source software it ships, the company said in statements posted to the Novell.com Web site and in an e-mail sent to customers Tuesday.
Aimed at reassuring purchasers of the company's open source software, such as the Suse Linux operating system and Ximian desktop software, that these products are as safe from legal attacks as proprietary software, Novell's statements say that the company plans to use the "same measures generally used to defend proprietary software products," in the event that any of the open source projects included in Novell's be accused of patent infringement.
"If somebody comes after an open source technology that we ship with a patent claim, then we're going to go after that company."said Bruce Lowry, a Novell spokesman.
Though software patent disputes are fairly common in the high technology industry, open source software's vulnerability to a patent suit has received particular attention recently, spurred in part by The SCO Group Inc.'s (SCO) claims that the Linux kernel violates its intellectual property (IP).
Because open-source code tends to be created by diverse groups of developers who write code that can be easily scrutinized, some critics have said that it may be easier for companies to make IP claims against it.
An August study, funded by insurance provider Open Source Risk Management LLC, found that 283 registered software patents, including 27 held by Microsoft Corp., could conceivably be used as the basis of lawsuits against the Linux kernel.
"There is a nontrivial risk of patents being asserted against Linux," said the study's author, Dan Ravicher, at the time it was released. Ravicher is executive director of the Public Patent Foundation, a not-for-profit organization that advocates for changes to U.S. patent policy.
Recently, the City of Munich halted a 14,000 PC Linux roll-out to investigate the patent liabilities associated with such a large deployment of open source software. The city eventually decided to go ahead with Linux after concluding that the risk of software patent infringement was "very small," Stefan Hauf, a spokesman for the city, told IDG News Service in September.
Novell's statement of a patent policy follows similar declarations from open source providers such as IBM Corp. and Red Hat Inc. In August, IBM Senior Vice President of Technology and Marketing Nick Donofrio said his company would not use its patents against the Linux kernel. And Red Hat has recently begun amassing a patent portfolio, to be used only for "defensive purposes," the company says.
Novell is in a unique position to defend open source software, Lowry said, because with 411 patents in its portfolio, it has far more patents than other open-source providers, such as Red Hat.
Linux advocate Bruce Perens, who has long warned of the patent threat to open source software, welcomed Novell's new patent policy, but said that a patent defense might have no effect against a company that had cross-licensed patents with the Waltham, Massachusetts, company. "The only problem that can potentially come up is when one of Novell's own partners is the one who is bringing actions against open source," Perens said.
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