It seems Microsoft can't get a break on Vista lately. The newest issue with it comes not from any performance or compatibility problems but in the form or an IP violation lawsuit.

According to an article on ChinaTechnews.com China E-Commerce is suing Microsoft for Patent infringement by using an XML based RSS feed in Vista. Wang Jimbo the Chairman of Chine E- Commerce says they filed for a patent on XML-Based RSS information interactive processing approach in 2005 and were granted on by China's State Intellectual Property Office.

Wang would like Microsoft to stop the infringement and to stop selling Vista in China.

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China E-commerce is a small company based in Xi'an, Shaanxi Province. Now the Xi'an Intermediate People's Court has accepted the case in which China E-commerce requests Microsoft to stop the infringement and stop selling Vista, which adopted RSS technology in China.

Microsoft reportedly responded to the issue last Friday, saying it has never violated the intellectual property rights of China E-commerce.
The specific patent is for "an XML-based RSS information interactive processing approach", according to information on the SIPO's website. RSS is used to syndicate XML-based files from blogs, websites, and other Internet platforms.