James Reynolds went to the High Court after effectively being removed from his position as ICSA treasurer.
Under Irish law, gambling machine owners can refuse winnings if you happen to be ‘too lucky’.
The store in Fairview was ordered to pay more than €17,000 in damages.
The premises will include a gastro bar that serves ‘rustic’ Irish food.
The venue is now liable for the €15,000 the woman was previously awarded.
The former employee at the Big Four accounting firm is fighting part of his case in Europe’s highest court.
The case turns on who has rightful control over a 160kg replica of the Iron Throne.