Several new patent filings have revealed what appears to be Microsoft’s pen and touch plans, hinting at future Windows 8 use.

Microsoft filed for a variety of picture related gestures in January, 2010. The software giant has just published the patents to these gestures in the past few days. The gestures involve multiple implementations and allow for tablet users to make use of touch and pen based inputs. Microsoft has also supplied a number of images to accompany the gestures.
Microsoft patents reveal touch+pen plans, Windows 8 tablet future? | WinRumors