Different from Wacom's capacitive Bamboo Styluses available for iPad, iPhone and other touchscreens, the Bamboo Stylus feel delivers a powerful combination of "active" pen and sensor technology for a digital pen experience that emulates the feel of a traditional ball-point pen or pencil.
Thepoint is that in a civil case you just (and I agree, this is a pencil sketch, no more, of the situation) need to be shown to have been breaching copyright and IP.