The 91-page appeal, filed about an hour before a midnight deadline set by the 7th U.S. Circuit Court of Appeals, maintained that Zagel kept Blagojevich's attorneys from rebutting cooperating government witnesses and pointing out potential biases in their testimony.
Jurors were also wrongly instructed about bribery and fraud laws and how they pertained to "political deal-making," the appeal argued.
The lower court "misled the jury by failing to explain the legal distinction between campaign contributions and bribes," the lawyers wrote.