At the Justice Department, Mendelsohn pushed to make Foreign Corrupt Practices Act cases a priority. In so doing, he generating a boom in demand for FCPA defense lawyers. Now he--and his new firm--are poised to benefit from his entry into the market he created.

Shareholders' lawyers will get to see whatever the bank has turned over to Congress, the SEC, the New York attorney general, and other investigators--including, most likely, the communications between BofA and its lawyers that have already been turned over to the government.