Mr Diarmaid Gavin > RDJ LLP > Cork, Ireland > Lawyer Profile

Diarmaid Gavin photo

Work Department

Corporate/M&A, IP, EU and Competition, and Commercial Contracts and Technology.


Diarmaid is a Partner, practising across the area of Corporate and Commercial and leading our EU & Competition and Research Innovation and Technology practices. He brings a dynamic blend of expertise to the role across a range of commercial transactions, from technology and outsourcing projects to intellectual property and research and development arrangements, as well as advising on mergers and acquisitions, corporate group restructurings, joint ventures and investment transactions. Diarmaid also advises private and public sector clients on a variety of competition law matters including compliance, State Aid and merger control. With expansive insights across industries, Diarmaid delivers well-rounded and insightful solutions to clients.

In addition, Diarmaid is an established advisor on knowledge transfer interactions between industry and the research performing community. Advising Knowledge Transfer Ireland, as well as a number of Irish universities and companies, his particular expertise includes State-funded multilateral research collaborative projects between academia and industry, enabling knowledge transfer that empowers focused impact. Diarmaid has also advised extensively on IP licensing arrangements and corporate transactions, such as group restructurings, investments and mergers and acquisitions for technology and IP-focused companies.

Prior to joining RDJ, Diarmaid worked with a Magic Circle law firm in London and Brussels, advising on merger notifications before the European Commission and the UK Office of Fair Trading (now the Competition and Markets Authority) as well as on cartel and abuse of dominance cases.


Admitted as a solicitor in Ireland.


University of Dublin, Trinity College (LLB)
Collège d’Europe, Bruges (LLM in Advanced European Law)
Oxford Institute of Legal Practice (Diploma in Professional Legal Studies)

Lawyer Rankings

Ireland > Intellectual property

RDJ LLP‘s intellectual property team is well known for its expertise in advising on the IP elements of research agreements between Irish universities and private sector companies. Diarmaid Gavin leads on this work and acts for both universities and companies, with a focus on the life sciences sector. Darryl Broderick specialises in contentious matters, representing clients in passing-off and trade mark infringement claims.

Ireland > Media and entertainment

RDJ LLP‘s media practice represents clients in defamation proceedings up to the High Court level, acting for plaintiffs as well as media outlets, and advises newspapers on challenging reporting restrictions. In addition, Diarmaid Gavin works alongside the firm’s corporate team to advise on M&A transactions in this sector. Gavin co-heads the team alongside Darryl Broderick, who specialises in litigation and leads on defamation claims.