Ms Joanelle O'Cleirigh > Arthur Cox > Dublin, Ireland > Lawyer Profile

Arthur Cox
D02 T380

Work Department

Litigation, Dispute Resolution and Investigations


Joanelle works for a broad range of clients, particularly those in the healthcare, life sciences, and regulated sectors. Joanelle also advises clients in relation to inquiries and investigations.

Joanelle’s Corporate Crime experience includes advising in relation to the conduct of investigations and inquiries; some of Ireland’s most significant Tribunals of Inquiry, Commissions of Investigation; and on some of the most complex and sensitive statutory and corporate investigations.

Her healthcare/life sciences expertise includes advising on:

  • contractual issues;
  • disputes/closure of services;
  • HIQA regulations;
  • HPRA and Compliance;
  • investigations/reviews/look-backs and product recalls;
  • medical negligence
  • cross border healthcare;
  • constitutional law;
  • privacy and data issues;
  • capacity and consent;
  • wardship;
  • maternity services
  • child protection.


Admitted as a solicitor, 2000. Admitted as a solicitor in Northern Ireland, 2015


The Law Society of Ireland; Founding member and Chapter Leader of the Irish Chapter of the Women White Collar Defense Association


Post Graduate Diploma in Law, 1995, Dublin Institute of Technology; BA, 1994, Trinity College, Dublin

Lawyer Rankings

Ireland > White-collar crime

Arthur Cox handles a broad range of white-collar crime matters, including advising on criminal prosecutions, investigations by regulators, and shareholder disputes. The team’s work includes cross-border issues, acting for both Irish and international clients. In addition to handling contentious matters, they also advise on compliance with regulations. The firm has also established a dedicated dawn raid response group to help clients respond to dawn raids by regulators. The practice is jointly headed by Joanelle O’Cleirigh, who is ‘an expert in her field‘, and Richard Willis, who has ‘a constant eye on the big picture’. Ryan Ferry was promoted to partner in 2020.

Ireland > Public sector

(Leading individuals)

Joanelle O’CleirighArthur Cox

Advising on the establishment and operation of state-sponsored bodies is a key area of expertise for Arthur Cox, with Maura McLaughlin handling significant recent mandates involving the creation of agencies for the provision of financial aid in the pandemic and financing for social housing projects. The team also represents clients in judicial reviews and statutory inquiries, where practice head Joanelle O’Cleirigh, who has particular strength in healthcare and childcare law, is highly active. Aaron Boyle has procurement expertise, Alex McLean focuses on energy matters, and senior associate Kate O’Donohoe is experienced in professional misconduct inquiries.

Ireland > Insurance

Arthur Cox has a full-service insurance offering, with particular expertise in contentious and non-contentious regulatory investigations. The ‘outstandingJennifer McCarthy leads the corporate insurance practice, which regularly handles high-profile M&A and portfolio transfers, as well as advising on business interruption policy issues, Brexit contingency planning, regulatory matters and crisis management. On the contentious side, ‘excellent‘ practice head Joanelle O’Cleirigh is highly experienced in insurance disputes in the healthcare sector, and Michael Twomey has expertise in complex policy interpretation and coverage issues. Elizabeth Bothwell, who frequently handles insurance M&A, is also recommended.

Ireland > Healthcare and life sciences

(Leading individuals)

Joanelle O’CleirighArthur Cox

Arthur Cox acts for a wide range of Irish and international clients, including pharmaceutical and medical device companies and public and private hospitals. The team has significant experience in regulatory issues in the life sciences sector, including advising on clinical trials and medical research. Corporate transactions and high-profile litigation in the healthcare sector are also areas of expertise. The practice is jointly led by Colin Kavanagh, who specialises in regulatory, commercial, M&A and IP matters in the life sciences industry, and Joanelle O’Cleirigh, who has an extensive track record in healthcare litigation and regulatory investigations.