In-depth analysis of Microsoft content syndication platform patent application
On June 21, 2005 eight Microsoft employees claimed invention rights for a "content syndication platform," exemplified by Internet Explorer 7 and its support for aggregating feed content. Patent application 20060288329 pursues the "the right to exclude others from making, using, offering for sale, or selling" (see United States definition of a patent) normalized web feeds made available via an API and centrally stored feed lists. The patent application was revealed yesterday after an 18-month privacy window expired.
(from: In-depth analysis of Microsoft content syndication platform patent application)