A law firm targeted by President Donald Trump over its legal services during the 2016 presidential campaign has sued the federal government over an executive order that seeks to strip its attorneys of security clearances.

U.S. law firm Perkins Coie sued President Donald Trump’s administration on Tuesday, claiming Trump illegally retaliated against the firm over its work for his former opponent, Democrat Hillary Clinton,

Many big corporate law firms are declining to help with public criticism and legal opposition to the second Trump administration, in the wake of executive orders punishing law firms with Democratic ties.