touchscreen.jpgIPNews® – Apple and Facebook have recently faced ex parte challenges with the USPTO for invalidation of patents. 

The Apple patent challenges involve touchscreen interfacing and document presentation on a touchscreen display, while the Facebook challenge involves a dynamic news feed used for social networking.  In all three challenges, the patent holders have 30 days to adequately respond to the challenges or the patents will be invalidated.  To continue reading, click: Apple and Facebook Patents Challenged