A court filing shows attorney Joseph Zeszotarski Jr. will be part of Comey's defense team.
Lindsey Halligan, who was picked by President Trump to lead the cases against Letitia James and James Comey, is the subject of a bar complaint regarding the prosecutions.
Lawyers for James Comey are asking a judge to dismiss the case against him, arguing prosecutors engaged in "flagrant misconduct" when securing their indictment.
Former FBI Director James Comey has pleaded not guilty to both counts in a federal indictment.
One of charges faced by ex-FBI Director James Comey focuses on his alleged role in the sharing of information about a probe related to Hillary Clinton, sources say.
In a video posted following his two-count indictment by a federal grand jury, former FBI Director James Comey says he is innocent.