Dispute resolution

Mason Hayes & Curran LLP

Mason Hayes & Curran LLP is a dispute resolution giant. It has a huge market share of cases before the High Court and has a record of representing clients in many of the biggest disputes in the jurisdiction, such as acting for CDB Aviation in its claim seeking an indemnity from 21 different insurers arising from losses sustained from leasing nine aircraft to various Russian airlines. It continues to stand out for its work in the financial services, technology, life sciences, built environment and energy sectors, along with its expertise in public law cases. Maurice Phelan is a leading name in the market, along with technology disputes specialist Colin Monaghan. Peter Johnston continues to make an impression in big-ticket cases. Declan Black is another prominent lawyer, while Liam Guidera heads the investigations and white-collar crime team.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

‘James Morrin is an extremely hard working and savvy litigator with an excellent and clear drafting style.’
‘I found both Maurice Phelan and James Morrin to be highly responsive - any email or telephone call would receive a same day response. Both are hugely knowledgeable in their field and have the ability to break down the various options into supportive, manageable and understandable summaries which we found hugely beneficial in assisting us navigate what is a complex environment.’
‘Peter Johnston and Eva Meenaghan are able to grasp complex customer issues and effectively identify the right actions to take.’
‘This is a firm with an excellent reputation for service, efficiency and legal skills. The partners and associates are very committed and solution oriented.’
‘Maurice Phelan, as head of litigation, is extremely experienced, with extensive experience in commercial litigation in particular. He is a highly ethical person and a clear thinker, and sets the agenda from the top down, so that the firm and the team are well regarded by counsel, the courts and their colleagues. Maurice is particularly strategic and cost conscious and is highly adept at facilitating the early resolution of disputes for his clients.'
'Colin Monaghan has acquired extensive experience in technology cases and regulatory investigations. He is very client focused and creative and draws on the experience of others.'
'Lisa Joyce and Domhnall Breathnach are excellent litigators, and rising stars in my view. They are extremely diligent and organised - briefs to counsel are always perfect and they carefully review and input into draft papers. They are both very bright and always have useful insights to share.’
‘Peter Johnson is a leading litigator, a stand out partner across the Dublin firms. He is extremely competent and skilled in leading complex high value cases. He stands out from litigators in other firms for cutting through the procedural and emotional noise of other parties in the case, always focused on the most efficient end point for his clients. ’

Key clients

CDB Aviation Lease Finance
Irish Creamery Milk Suppliers’ Association (ICMSA)
Permanent TSB
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Meta Platforms Ireland
Nobel Oil E&P North America
Bank of Scotland
Irish Life Assurance
IA Capital Structures (Ireland)

Work highlights

Acted for CDB Aviation in its claim seeking an indemnity from 21 different insurers arising from losses sustained from the leasing of nine aircraft to various Russian airlines.
Represented Irish Creamery Milk Suppliers’ Association (ICMSA) in judicial review proceedings brought by An Taisce, Ireland’s national heritage association against the Irish State. T
Acted for the IAA in defence of the first-ever statutory appeal brought under newly-introduced appeal provisions in the High Court’s Commercial List by Dublin Airport Authority.