Businessman Paddy McKillen has suffered a knockback in his long-running misfeasance in public office lawsuit against the minister for finance and John Moran, former secretary general at the Department of Finance. McKillen has been told he has no right to access further details of any contacts between the defendants, IBRC, and British billionaires the Barclay brothers between 2011 and 2013. The case, launched back in 2015, relates to commercial information and his epic legal struggle to retain control of Claridge’s in the face of a corporate raid by David (since deceased) and Frederick Barclay, best known as owners of the…