It has to be, right John? Microsoft has filed an application to patent a “content syndication platform, such as a web content syndication platform, manages, organizes and makes available for consumption content that is acquired from the Internet.” The first claim in the application specifically mentions RSS and further down ATOM and the various versions are listed.
Ha-ha-ha, mutherfuckers. One imagines there is sufficient prior art to block this but then again…
BillSaysThis 