Following the Metro UI patent, Microsoft was also awarded with patent on Windows Phone Start screen UI. Both the start screen and the transition associated with it has been patented. You can find the two patents here and here. Microsoft was also awarded with patent for Synchronised media experience. This may be part of the Microsoftâ€™s three screens vision where you can take your media across the three screens mobile, PC and the TV. Here is the abstract of the patent,
A synchronized media experience is described. A media server identifies a group of two or more remote media entertainment systems through which user-controlled play of media content may be presented. The server generates and transmits one or more synchronization commands to the remote media entertainment systems to synchronize presentation of a particular media content through the two or more remote media entertainment systems. A control command entered by a user of one of the remote media entertainment systems may be communicated to each of the two or more remote media entertainment systems to enable synchronized, user controlled presentation of the particular media content.
Apart from these two patents, Microsoft has also got patent for several interesting ideas such as Meeting lobby for web conferencing , Auxiliary display unit for a computer system , etc. Visit microsoft-news.com for more details on those.