O'Brien to appeal court ruling on row with Dáil
Businessman Denis O'Brien is to appeal the outcome of his failed High Court action over comments made by two TDs about his banking affairs.
Papers seeking an appeal were lodged with the Court of Appeal last Friday.
Mr O'Brien is facing a potential legal bill of €1m after losing his case against the Clerk of the Dáil and the Dáil Committee on Procedures and Privileges.
He brought the action, alleging there was a failure to "properly police" two TDs who revealed details of his banking arrangements.
He alleged Social Democrats TD Catherine Murphy and Sinn Féin TD Pearse Doherty "clearly disregarded" the Constitutional separation of powers between parliament and the courts when they made statements in the Dáil in May and June 2015.
The statements were made at a time when Mr O'Brien was seeking to restrain RTÉ from publishing the banking information.