The technology team at A&L Goodbody LLP excels in handling a broad spectrum of IP-related matters, including patent and trademark infringement issues, and supporting clients across a diverse range of industries, such as life science, pharmaceuticals, and technology. John Cahir leads the practice and handles domestic and cross-border projects involving contentious and transactional matters. John Whelan is noted for his capabilities in assisting multinational companies with IP disputes, while Andrew Sheridan is a key contact for data regulation and privacy.

Mason Hayes & Curran LLP’s practice advises its portfolio of clients on the full range of intellectual property matters, from patent and copyright infringement litigation to mandates concerning the management of trademark portfolios. Gerard Kelly oversees the team and has substantial experience handling contentious matters involving copyright, trademark, design rights, and patent litigation. Hazel McDwyer is sought after by clients seeking advice on brand protection and IP rights. Eimear O’Brien and John Milligan are other key names.

The IP practice of McCann FitzGerald LLP advises a wide range of clients, particularly from the life science, healthcare, pharmaceutical, and media and entertainment sectors, on all areas of intellectual property, including the protection of trademarks, patents, and trade secrets, and the exploitation of IP rights. Fiona O’Beirne, who regularly handles litigation arising from patent and trademark infringement, heads the contentious practice. Non-contentious IP practice head Adam Finlay is highly regarded for his trademark expertise and provides comprehensive advice on IP matters. Shane O’Brien is another key name within the practice.

Regularly dealing with all aspects of the creation, maintenance, and enforcement of IP rights and advising on strategy and protection, William Fry LLP is highly regarded for its breadth of expertise. The team’s clients include companies in the agriculture, media, pharmaceutical, and technology industries. Leo Moore, who regularly offers advice on trademark issues, along with trademark portfolio management and brand protection strategies, co-heads the practice with Laura Scott, who brings broad litigation expertise, offering strategic counsel on patent issues for clients before courts. Charleen O’Keeffe is another key contact.

Entrusted by significant transport, retail, pharmaceutical, and technology clients, Arthur Cox’s key strengths lie in handling a broad spectrum of contentious and non-contentious IP matters for a variety of domestic and international clients. The group regularly collaborates with the firm’s tax and corporate teams to provide holistic advice on IP issues. Olivia Mullooly heads the practice and regularly offers advice on trade mark issues, along with copyright licensing and trade mark infringements. Keith Smith and Naoise Cosgrove bring broad litigation expertise.

The intellectual property team at DFMG Solicitors works with clients on all aspects of prosecution, enforcement, and IP infringement. With in-depth expertise across the manufacturing, retail, pharmaceutical, and technology sectors, the practice demonstrates particular strength in trademark infringement proceedings. Patricia McGovern heads the intellectual property department and brings vast expertise in all aspects of soft and hard IP law matters, including IP enforcement and managing complex trade mark portfolios.

Matheson LLP's intellectual property team works closely with the firm's technology and innovation and litigation groups and offers comprehensive guidance on a wide range of contentious and non-contentious IP matters, with a focus on copyright, trademark and patent law. Anne-Marie Bohan, whose workload spans the management, commercialisation, and licensing of intellectual property matters, heads the practice.

Pinsent Masons LLP assists its clients at all stages of the intellectual property lifecycle, from developing and registering, to protecting and enforcing their IP portfolios. One of the key strengths of the team is its expertise in the healthcare, pharmaceutical, energy, retail, FMCG, and technology sectors. Practice head Maureen Daly is known for her longstanding expertise in handling a broad range of contentious and non-contentious IP issues, while Karen Gallagher regularly handles litigation arising from patent, copyright, and trademark infringement.

IP filing strategies, the commercialisation and licensing of IP, and the management of IP portfolios are core pillars of Beauchamps LLP's offering. Areas of activity for the practice include assisting multi-national clients with various requirements under domestic and international intellectual property matters. Damian Maloney heads the practice and is noted for advising on IP structuring, licensing, and acquisition. Co-head Edward Evans handles a broad range of sports-related mandates in addition to advising on licensing agreements.

DLA Piper Ireland LLP continues to handle intellectual property matters for a diverse set of clients from multiple sectors, including life science, pharmaceuticals, financial services, retail, and technology. The team advises domestic and international clients on IP documentation, IP rights, and protecting copyright, patents, and trademarks. Mark Rasdale co-heads the practice alongside John Magee and Aoife Murphy.

Eversheds Sutherland acts for a diverse client list consisting of international and domestic clients in the full range of intellectual property mandates. Key areas of strength for the practice include IP development projects, cross-border infringement issues, and corporate transactions. Practice head Marie McGinley is experienced in contentious and non-contentious IP matters.

Hayes Solicitors LLP's intellectual property team has considerable strength in advising a broad client base that extends to retail, entertainment, education, and media companies. The practice demonstrates particular strength in all areas of intellectual property, including the protection of trademarks, patents, and copyrights. Practice head David Phelan provides comprehensive advice on IP matters.

The team at RDJ LLP handles an array of intellectual property matters for its broad client base, including the acquisition and commercialisation of intellectual property in Ireland. The non-contentious IP practice is headed by Diarmaid Gavin, a seasoned expert in knowledge transfer, collaborative research, and IP licensing, while the contentious IP practice is led by Darryl Broderick, a litigation specialist with a focus on media and intellectual property disputes.

Addleshaw Goddard’s intellectual property team is proficient in advising a diverse range of domestic and international clients on contentious and non-contentious IP matters, with particular expertise in managing trade mark portfolios. Led by David Hackett, who regularly advises on trademark issues along with data protection and privacy law. Hackett and senior associate Jane Farren are registered trademark agents and are frequently engaged to handle trademark filing and registration.

Bird & Bird offers comprehensive advice on the full spectrum of contentious and non-contentious IP matters, with a focus on patent and trademark disputes. The department is jointly led by IP litigators Michael Finn and Ann Henry, who frequently represent clients from the life science, technology, entertainment, and food and beverages sectors in trademark and patent infringement matters.

Experienced in IP management, risk assessment, and licensing frameworks, Browne Jacobson Ireland LLP works with clients on all aspects of prosecution, enforcement, and IP infringement. Ciarán Markey, an expert in IP and competition law disputes, leads the contentious arm of the practice, while Jeanne Kelly heads the non-contentious side and has unique expertise in outsourcing projects and intellectual asset management.

LK Shields Solicitors LLP and Byrne Wallace LLP merged at the beginning of 2025 to form Byrne Wallace Shields LLP. The intellectual property team has a robust track record in assisting clients with contentious and non-contentious matters. The team frequently handles trademark and design rights litigation, including passing-off and infringement claims. The non-contentious practice covers design protection, IP commercialisation, due diligence, and licensing, with a particular focus on the pharmaceutical and life sciences sectors. The practice is co-led by Colin Sainsbury and Mark O’Shaughnessy. Jane O’Grady is frequently sought out by clients for assistance with R&D and licensing agreements.

EY Law Ireland manages a broad spectrum of domestic and international IP matters, offering expertise in the creation, management, enforcement, and commercialisation of intellectual property. Peter Bolger heads the group and is well-versed in handling contentious and non-contentious intellectual property matters.

The data privacy and intellectual property practice at Flynn O'Driscoll has established a strong foothold in the technology sector, providing comprehensive support to clients on agreements concerning the development, ownership, protection, and licensing of intellectual property. Laura Myles heads the practice and advises on the management and enforcement of IP rights.