About Claire

Claire is a consultant in our litigation & dispute resolution team. Claire works with major financial institutions, owner-managed businesses, multinational companies and State bodies, and has extensive experience in the financial services, healthcare, and public sectors.

Claire specialises in contentious matters and has strong expertise across a range of areas including administrative and constitutional law, banking, contractual disputes, company law, insurance law, construction, employment and equality law.

Claire is also known for her work in regulatory law and has been involved in a number of significant cases including the first prosecution under the Charities Act 2009.

Recent experience

  • Law Society of Ireland in a case about the Motor Insurers Bureau of Ireland (MIBI)’s liability on claims related to insolvent insurance company, Setanta; this decision was won in the High Court, upheld on appeal to the Court of Appeal, and reversed by a majority in the Supreme Court
  • Claimant in judicial review proceedings against the Health Service Executive in respect of EU health benefit rights
  • European Commission and the European Council in proceedings challenging the EU Turkey Statement on asylum
  • Office of Public Works in a three day hearing before the Rights Commissioner in relation to the status of trainee
  • Turf Club in a significant constitutional action on its legal nature and status
Able to navigate situations and offer solutions that avoid court actions.
Chambers & Partners 2021
A very tenacious operator.
Chambers & Partners 2019
Practical and robust
Legal 500 2018
'A good tactician and negotiator' who has a 'pragmatic' and 'balanced' approach.
Chambers Europe 2017
Very tenacious in her approach.
Chambers & Partners 2017
Claire Callanan is 'pragmatic and very comfortable in the business world. She views her role as adding value for the client'.
Chambers & Partners 2016
Claire can 'work out practical solutions to complex issues' and 'revise strategy rapidly when new information becomes available'.
Chambers & Partners 2016
Claire is 'just excellent and very streetwise. She took control and put our company in the right place, making sure we were not at risk'.
Chambers & Partners 2014
She is great in terms of knowing how to play the right angle and was strong in defending our position in the tribunal.
Chambers & Partners 2014