> specifically on a touch screen device with a soft keyboard
But also rather ambitiously includes the use of autocomplete using a physical keyboard.
> 7. The method of claim 2, wherein the keyboard is a physical keyboard that is not a part of the touch screen display.
Which appears to describe a nearly identical system to the one used on www.google.com and in many other places; also for which examples of prior usage almost certainly exist. At first glance, I don't see anything that would prevent this patent from being asserted against a laptop manufacturer.