On Friday, more than 500 firms and law offices from around the country signed onto a brief urging a judge to permanently block the order. The firms, in their filing, call the order a “grave threat to our system of constitutional governance and to the rule of law itself.”

The filing marks the most coordinated legal pushback yet against a series of Trump orders aimed at penalizing high-profile firms.

Another law firm who hired a MAGA critic has agreed to work for President Donald Trump's administration for free, as Trump continues to threaten past opponents.

A massive chunk of the federal workforce would lose their union rights if Trump is allowed to move forward with his plan.

The lawsuit is the fourth legal challenge against Trump's executive order on voting. The attorneys general argue the order is "an unconstitutional attempt to seize control of elections."

Democratic state attorneys general on Thursday filed a lawsuit challenging U.S. President Donald Trump's executive order that compels voters to prove they are U.S. citizens and bars states from counting mail-in ballots received after Election Day.