“There is an appeal that could have legs,” said Arlo Devlin-Brown, a former federal prosecutor who was chief of the public corruption unit in the Manhattan U.S. Attorney’s office.

Trump’s first chance to challenge the verdict will come within 30 days of his sentencing on July 11, at which point he can turn to New York’s First Judicial Department appellate court, not far from where he just stood trial. That court has such broad discretion to review jury findings that it’s sometimes called “the 13th juror.”

Their attack is expected to focus on a few key issues, including the legal theory that enabled prosecutors to transform 34 misdemeanor counts of falsifying business records into a felony case against the former president.