February 15, 2010 - Emblaze, a company that owns a patent on a method of "generating media packets," has sued Apple and Microsoft for patent infringement.
The plaintiff claims that the patent is infringed by Apple's HTTP Live Streaming Application, used in the iPod Touch, iPhone, iPad and Mac OS X; and Microsoft's IIS Smooth Streaming, which is used in Silverlight.
CNet News reports that Microsoft has until March 15 to reply.