Arthur Cox’s intellectual property group is well-placed to advise Irish corporates and international clients with operations in Ireland on large IP mandates. The group has expertise across trade marks, copyright and database and design rights in a variety of sectors. The team are a key port of call for technology and pharmaceutical clients on advisory and transactional matters, disputes and tax effective IP structures. At the helm is Olivia Mullooly, who is a particularly strong choice for significant non-contentious IP matters, including issues associated with restructurings, M&A and corporate disposals.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- 'Olivia Mullooly's practical and commercial approach, coupled with her impressive technical knowledge, inspires great confidence among clients, who trust her judgement and rely on her to navigate challenging situations. These qualities make Olivia not only a trusted adviser but also an invaluable part of the firm’s continued success.’
- 'The team's strengths lie in their deep understanding of the IP landscape, their ability to navigate cross-border elements seamlessly, and their commitment to delivering high-quality, practical advice.’
- ‘Olivia Mullooly leads the team and is extremely knowledgeable, while also being very approachable. Can always be relied on to provide pragmatic solutions to problems as they arise.’
- ‘Arthur Cox's IP team is renowned for its exceptional expertise and innovative approach to intellectual property law. Under the leadership of Olivia Mullooly, the team has consistently demonstrated its ability to handle complex IP matters with precision and strategic insight.'
- ‘Olivia Mullooly distinguishes herself through her deep expertise in IP and technology law. Olivia has a remarkable capacity to deliver clear, concise, and highly informative advice, ensuring that even the most complex issues are made accessible and actionable.'
- ‘This team is exceptionally skilled in handling multi-jurisdictional matters.’
Key clients
- CRH
- Meta (formerly Facebook)
- Kerry Group
- Ryanair
- Origin Enterprises plc
- Glanbia Plc
- Foundry Innovation and Research 1, Limited
- Flutter Entertainment
- Viatech Cable Solutions
- Irish Hospice Foundation
Work highlights
Advised Kerry Group on its transactional matters, including the Kerry Co-op deal.
Advising on intellectual property aspects of strategic acquisitions and intra-group agreements, and IP issues associated with the Betfair Brazil, which commenced in April 2025.
Advising on the IP aspects of Mallinckrodt plc’s merger with Endo, Inc.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Olivia Mullooly
Other key lawyers
Keith Smith