Dermot is a practicing member of the Bar of Ireland since 2005. He undertakes a wide civil practice with a focus on equity actions concerning property disputes, including proprietary estoppel, trespass and rights of way; tort and personal injury law in which he has a large defence practice on behalf of public and State bodies; and advisory and litigation work for local authorities.


BA (Hons) (Economics and Politics), University College Dublin

BL, The Honourable Society of King’s Inns, Dublin


Bar of Ireland – 2005


Bar of Ireland Address:

Suite 3.04

Bar of Ireland

Distillery Building

145-151 Church Street

Dublin 7

DX 816738



Mulheir & Anor v. Gannon – [2009] 3 I.R. 433 (High Court) – Solicitor – Costs – Lien – Solicitor discharging himself for reasonable cause – Release of file – Nature of lien – Undertaking – Whether solicitor entitled to unconditional undertaking from new firm in respect of costs and disbursements – Whether disbursements should be reimbursed prior to release of file.


Ahmed (A Minor) v. Longford Town Council – [2014] IESC 46 (Supreme Court) – Child – Personal injury – Playground owned and maintained by Longford Town Council – Negligence claim – Question as to liability dismissed by High Court – Appeal challenging the decision – Factual findings – Causation – Expert evidence – Balance of probabilities – with Peter Bland SC.


Ennis v. The Child and Family Agency & Anor[2015] IECA 105 (Court of Appeal) – Damages – Liability – Criminal damage – Damage caused to neighbouring house by deliberate fire – Whether Appellant liable for actions of others – with Peter Bland SC


McCarthy (A Minor) v. An Coimisiún le Rincí Gealacha[2017] IEHC 856 – Practice & procedure – Interlocutory injunction – Irish dancing competition – Rules – Whether injunction appropriate where sought to permit entry of minor in competition despite rules.