Marcus is a Silk with a practice focused onCivilandCommercial Litigation. He took Silk in 1999 and was one of the youngest Barristers in Ireland ever appointed to that position. He graduated in 1987 from King’s Inns in Dublin with the Degree of Barrister-at-Law and prior to commencing practice in Ireland, he worked with Cahill Gordon & Reindel LLP in New York City and with Cleary Gottlieb Steen & Hamilton LLP in Brussels and London. He is a fluent speaker of French and completed a period of training in Paris with the SCP Labbé Delaporte Avocats au Conseil d’Etat.
As a Member of the Inner Bar he has significant experience of Arbitration and Litigation in the areas of Commercial Insurance Law, Construction Law and Property ownership. He represents Respondents in a wide range of Professional Negligence claims and also represents Claimants in construction malpractice litigation. He is regularly instructed to advise in company and shareholder disputes to include the protection of minority rights and derivative actions.
In addition to his work as an Advocate he has considerable experience of commercial Arbitration. He is a member of Arbitration Ireland and is the sole nominated member for Ireland and England on the Claims and Litigation Management Alliance for the United States of America based in New York City. Marcus is also a founding member of the British Irish Commercial Bar Association. He became an accredited mediator in 2004 and has completed further training with The London School of Mediation. He is a member of the Bar of England & Wales, Ireland and Northern Ireland and his practice in Kings Chambers is exclusively in Arbitration and Mediation.
FBD Insurance PLC v Connors + Gore-Grimes | Laffoy J 03/03/2011 |  IEHC 184 | order discharging Arbitrator + setting aside award of Arbitrator on grounds of Misconduct of Arbitration
Joe Doyle t/a Donnybrook Fair v RPS Engineering Services Ltd, CES Ltd, Marren Engineering Ltd and Rotary M&E Services (Ireland) Ltd | Construction | Engineering | Professional Negligence | Peart J 12/01/2011
RyanAir Ltd v The Minister for Transport and Aer Arann  IEHC 171 | Commercial Court Judicial Review | Finlay Geoghegan J 02/04/2009 | Public Procurement + Tendering | Air Transportation | Public Service Obligation Contracts
Udaras na Gaeltachta v Uisce Glan Teoranta | O'Neill J  IEHC 95 | Commercial Landlord and Tenant | repairing covenants and improvements under a Commercial Lease
Meath County Council v Irish Shell | Lavan J  IEHC 391 | hydrocarbons pollution | environmental impact and enforcement of remedies
McGrath v Paul Moore & Co Solicitors, Frank Aiken Associates + Niall McKenna | Solicitors Professional Negligence | Non - Jury | Kearns P 15/11/2011
Dan Morrissey (IRL) Ltd & Phil Morrissey v Donal Morrissey & Anor | Laffoy J 13/04/2011 | Land Registration | Commercial Property | Chancery | Specific Performance | Trespass | Slander of Title
Byrne v Hudson  3 IR 106 | Supreme Court | Limitation of Actions | date of knowledge | Identity of Defendants
University College Dublin 1982 – 1985 | Degree of Bachelor of Civil Law (BCL)
The Honourable Society of King’s Inns Dublin (1987) | Degree of Barrister-at-Law
Call to the Bar of Ireland 07/11/1987
Call to the Inner Bar 30/09/1999
Call to the Bar of England & Wales (Lincoln’s Inn) 25/07/2013
Call to the Bar of Northern Ireland 11/04/2014
Sole nominated member for Ireland and England on the Claims and Litigation Management Alliance for the United States of America based in New York City
The British Irish Commercial Bar Association [BICBA] – Joint Chairman
The Hon. Society of King’s Inns, Dublin
The Hon. Society of Lincoln’s Inn, London
The Inn of Court for Northern Ireland
Chartered Institute of Arbitrators’
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