Brian Horkan


Brian is a partner in our Dispute Resolution team with extensive experience advising clients in complex constitutional and administrative law matters. He is an expert in health care law with specialities in child protection, adoption, mental health, and wardship.

Brian has advised on appearances and interaction with Tribunal of Inquiry and Commissions of Investigation. He has also advised on consent to treatment, confidentiality, freedom of information and data protection.

He leads the regulatory criminal team advising and acting in prosecutions and advising regulators in developing prosecution procedures and policies. 


  • Dispute Resolution
  • Civil Litigation
  • Criminal Litigation
  • Investigations/Inquiries
  • Judicial Review
  • Healthcare Law
  • Administrative Law

Representative Matters

  • Advised Health providers in relation to detention and management of a vulnerable adult in proceedings before the President of the High Court
  • Advised Public and Private Sector client on the implementation and interpretation of Children First and Vetting legislation 
  • Led Mason Hayes & Curran's regulatory criminal prosecution team advising and acting in food hygiene, tobacco, environmental and other regulatory criminal prosecutions

Speaking Engagements & Teaching

  • Law Lectures in Trinity School of Social Work and Social Policy Undergraduate and Master Courses
  • Lectures on Law Society Diplomas in Mental Health and Child Law 
  • Google+
  • LinkedIn

Areas of Expertise

Healthcare and Medical Law Public, Regulatory and Investigations Dispute Resolution

Professional Memberships

Member of the Law Society and Dublin Solicitors Bar Association

Member of the Chartered Institute of Arbitrators

Admitted as a Solicitor to the Senior Courts of England and Wales

Member of Law Society Technology Committee


BCL (International) UCD & Melbourne University

Diploma in Human Rights UCD

Diploma in Arbitration UCD

CEDR Accredited Mediator