[1] He has represented the Attorney General of Ireland, the Residential Institutions Redress Board and Our Lady's Children's Hospital, Crumlin.
[9][10][11] He presided over Morrissey v Health Service Executive, which arose out of the CervicalCheck cancer scandal.
He held that screeners must have "absolute confidence" before definitively ruling out a health condition in a screening test.
[12] This was subject to an appeal to the Supreme Court of Ireland due to the standard of confidence he applied.
[16] He retired as a judge in November 2021 and stated he plans to undertake a PhD on John Philpot Curran.