I'm not a patent lawyer, but from what I can pull up from my patent law class notes: Troll is quite possibly blocked by the public use doctrine. Anything that'

I'm not a patent lawyer, but from what I can pull up from my patent law class notes: Troll is quite possibly blocked by the public use doctrine. Anything that's been in public use without being patented for a year or more goes into the public domain (35 usc 102(b) for anyone who cares). If he filed on or after June 23, 2010, he failed.