Barton was banned from all football activities, after he admitted placing 1260 bets on matches between 2006 and 2016.The former England international claimed that he was addicted to gambling and he described his addiction as "excessive".
The 34-year-old made his appeal to a three-person appeal board, including one independent chairperson.
Barton was released by his former club Burnley after his ban was handed down and he will find out next week if his appeal against the lengthy 18-month ban has been successful.