The High Court has reserved judgment in trespass proceedings against solicitor Brian O'Donnell.
Mr Justice Brian McGovern has not given a date for the judgment.
Earlier, representatives for the Bank of Ireland told the Court that Mr O'Donnell had no "legal basis" for his "Walter Mitty" assertions that he had a right to reside at the Gorse Hill mansion in Killiney, South Dublin.
Richard Chambers reports: