Biden's judges will "serve as one of the last guardrails in upholding our nation’s laws and the Constitution,” said Maggie Jo Buchanan of Demand Justice.

The loss of the White House and the Senate majority will end Democrats’ ability to fill judicial vacancies come January. They say they want to confirm as many as possible in the coming weeks.

Donald Trump's Republicans were projected to pick up another U.S. Senate seat on Thursday and appeared to be retaining their hold on the House of Representatives, putting them on track to control both chambers of Congress next year.