Microsoft has given the most detailed description to date of the number of open-source computer programs it says infringe on its patents, but the company says it still prefers licensing deals with open-source developers, software distributors and users instead of legal action against them.
"There is no reason why any segment of the industry needs to be exempt from intellectual property rules," Horacio Gutierrez, a Microsoft vice president for intellectual property and licensing, said in an interview on Monday.
At the most basic level, open-source software is distributed free of charge to consumers or businesses to use on their computers, and to programmers to modify, build on, and distribute again - also for free.
While proprietary software companies like Microsoft make money by selling licences for programs, open-source companies give away the program and usually make money selling support services.
Open-source programs step on 235 Microsoft patents, the company said. Free Linux software violates 42 patents.
Graphical user interfaces, the way menus and windows look on the screen, breach 65. Email programs step on 15, and other programs touch 68 other patents, the company said. The patent figures were first reported by Fortune magazine.
Microsoft also said Open Office, an open-source program supported in part by Sun Microsystems, infringes on 45 patents. Sun declined to comment on the allegation.
Microsoft is the dominant maker of software that powers servers and desktop PCs, but the company views the free or low-cost Linux operating system alternatives "with a great deal of concern," said Al Gillen, an analyst at the technology research group IDC.
"It's one of the few operating systems that represents a viable threat that Microsoft has a great deal of difficulty containing," Gillen said, because the developers share their code.
"Microsoft can't drive a company out of business and make Linux go away," the analyst said.
Instead, Microsoft has struck a number of patent-licensing deals with companies that use open source code, most notably Novell last November.
In one aspect of the deal, Microsoft agreed to sell Novell's flavour of Linux, called Suse. It also agreed not to sue the customers who bought it, even though it claims the open-source software infringes on its patents.
"Microsoft could have chosen to litigate many years ago, but we have decided not to do that," Gutierrez said. Instead, in the interest of making sure programs that include open-source technology work well with Microsoft products and vice versa, the company will continue to pursue similar deals.
Courtesy of Sydney Morning Herald.
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