More than 500 law firms moved to file an amicus brief in support of Perkins Coie's lawsuit against the Trump administration's ...

The firms were among more than 500 to lend their names to a friend-of-the-court brief filed in U.S. District Court.

If the [executive order] stands, it will be open season on lawyers who have dared to take on clients or causes the President or other officials don’t like,” said the professors' amicus brief.