"wish me luck."
I most diffidently do....All the luck in the universe to to brother.
As for IPRs beyond Google's ultimate study demonstrated ...I feel there is not much to worry about there.
I really feel that exhibited Prior art NEW IP vs. NEW IP challenged in an IPR is a stumbling block for petitioners.
With that, e.Digitls language might just have the meat on its own merits to come through clean.
GLTY
doni