High Court determines that the evidence of a US constitutional law expert was inadmissible in proceedings that only concerned matters of Irish domestic law.
Whether evidence from American constitutional law expert was admissible at trial - whether such evidence was reasonably required to enable the court to determine the proceedings - O.36, r.58(1) of the Rules of the Superior Courts - claim concerning alleged infringement of right of privacy - alleged determination of matters by the Oireachtas - publication of confidential information - entitlements of plaintiff under Irish law - reference to United States jurisprudence - notice of intention to call expert in US law as witness - inadmissibility of expert evidence in relation to matters of Irish domestic law.