The four lawyers set to argue Thursday in the blockbuster AT&T antitrust case in Washington bring decades of appellate experience and long ties to some of the country’s biggest law firms.

The U.S. Court of Appeals for the D.C. Circuit will hear the U.S. Justice Department’s appeal for at least one hour, and the court has picked its ceremonial courtroom—featuring marble statues of historical and Biblical figures—as the venue. The room will hold hundreds of expected observers. Get in line early.