That is, if he can convert his e-money into real money; I doubt lawyers would accept bitcoins, certainly when they're about to work for the guy whose site played an important part in the rise and valuation of bitcoins.
I think that all depends on how many bitcoins. Lawyers aren't stupid. If he offered a multiple of their standard fee, paid in bitcoins at the current exchange, I doubt he would have any difficulties. (There are already plenty of successful lawyers out there defending wealthy clients on drug trafficking charges, and they obviously have a pretty good idea where their fees are ultimately coming from.)