Nearly all of the discussion related to the ongoing legal battle between PHH Corp. and the Consumer Financial Protection Bureau has involved either questions about the bureau’s interpretation and enforcement of the Real Estate Settlement Procedures Act or issues having to do with the constitutionality of the CFPB. But the role played by the administrative law judge early in the bureau’s enforcement action has surfaced, with potential significance in the eyes of the U.S. Court of Appeals for the District of Columbia Circuit, which recently granted the agency’s request for a rehearing by the full court. To adjudicate the matter early on, the CFPB borrowed...