The agency—an unelected regulator with a blank check—has spent much of its short life making things harder for the consumers it set out to protect.

A judge said in a ruling Friday that the Consumer Financial Protection Bureau could not terminate employees without cause, dealing a blow to President Donald Trump’s efforts to dismantle the agency.

Rohit Chopra was one of the more important regulators from the previous Democratic administration who was still on the job since President Trump took office on Jan. 20.