Intellectual property in Ireland

A&L Goodbody LLP

A&L Goodbody LLP is sought after by clients to handle high-profile, complex intellectual property litigation, including patent and trade mark infringement claims. The practice is frequently instructed on disputes in the life sciences sector, and also acts for retail, financial services and technology clients. Beyond litigation, the team advises on the IP elements of new product launches in the Irish market, as well as IP licensing and research and development agreements. Practice head John Whelan is noted for his deep experience in contentious IP matters, while John Cahir is active both in litigation and advisory work. Andrea Lawler and Andrew Sheridan are other names to note in the team and frequently act for clients in the technology sector.

Practice head(s):

John Whelan

Other key lawyers:

John Cahir; Andrea Lawler; Andrew Sheridan


‘Their key strengths are the consistent access to partners and very commercially focused advice. They are a pleasure to deal with. I must also mention that access to the firm’s KnowledgePlus website is a huge advantage. The recent Corporate Crime & Regulation Summit was exceptional.’

‘John Whelan consistently gives concise, relevant, commercial advice. He is very approachable and his depth of knowledge and experience is very reassuring.’

‘For our needs, what differentiates a great lawyer from an average one is their business acumen and ability to strategise and negotiate, rather than just knowledge of the law. The team has proven to be very well rounded and effective as advisers.’

‘John Whelan is an exceptional strategist who understands business and knows how to negotiate within the confines of the law. He was able to help us navigate very difficult situations and conclude matters quickly and save significant amounts in settlements based on his acumen.’

Key clients

Amgen Technology (Ireland) Unlimited Company and Amgen, Inc

Diesel SpA

eStar Gaming Limited

Boston Scientific Corporation

Work highlights

  • Acted for Amgen in High Court patent proceedings, as well as advising the client in relation to general patent queries in the Irish context.
  • Advising eStar Gaming in relation to the protection of IP rights and original media, including in relation to trade mark co-existence and licensing agreements and confidentiality and non-disclosure agreements.
  • Acted for Boston Scientific Corporation in the defence of High Court proceedings regarding the ownership of medical devices with therapeutically desirable materials.

Mason Hayes & Curran LLP

Mason Hayes & Curran LLP is highly active in the full range of contentious intellectual property matters, including acting for clients in disputes relating to the infringement of patents, trade marks, copyright and supplementary protection certificates. The practice represents clients in the Irish High Court and Commercial Court and provides assistance with pre-litigation strategies, including reaching settlements. The team also handles the management of IP portfolios at the Irish and EU levels. Gerard Kelly leads the practice and senior associate Eimear O’Brien is also a key contact.

Practice head(s):

Gerard Kelly

Other key lawyers:

Eimear O’Brien


‘Gerry Kelly heads up a thoughtful and client-focused team. Overall the MHC team work well together to ensure optimal results.’

‘Gerry Kelly has a depth of knowledge that is second to none.’

‘The IP team offers good all-round services and is responsive.’

‘Gerard Kelly is personable, knowledgeable and responsive, and provides commercial and pragmatic advice.’

Work highlights

  • Acted Teva Pharmaceuticals Ireland in the successful defence of supplementary protection certificate infringement proceedings and a preliminary injunction application brought by Gilead.
  • Acting for musician Damien Rice and Damien Rice Music Limited in copyright-related proceedings.
  • Advising the Boyne Valley Group on all aspects of the protection and exploitation of its significant stable of renowned brands and its valuable manufacturing and recipe trade secrets.

McCann FitzGerald LLP

McCann FitzGerald LLP’s intellectual property team has expertise in both contentious and advisory IP matters. Fiona O’Beirne and Shane O’Brien specialise in litigation, handling patent and trade mark infringement claims across sectors including pharmaceuticals, consumer goods and entertainment. On the non-contentious side, Paul Lavery and Adam Finlay are highly active in assisting clients with the IP ownership of research and its commercialisation. The practice also acts alongside the firm’s corporate department to advise on the IP aspects of M&A transactions.

Practice head(s):

Fiona O’Beirne; Paul Lavery

Other key lawyers:

Shane O’Brien; Adam Finlay


‘Very commercial in all their dealings.’

‘Responsive, friendly and professional.’

‘Provides excellent, commercially focused advice. Quickly develops an understanding of the issue and relevant considerations of the client. Practical advice on how to progress matters to achieve the desired outcome for the client. Advice is appropriately risk assessed on the basis of the client organisation’s culture.’

‘Adam Finlay has an excellent ability to ensure the client achieves the best outcome. He has an exceptional ability to explain complex areas so everyone at all levels in the organisation understands and is empowered to progress the matter.’

‘Shane O’Brien is efficient, experienced in pharma patent litigation, knows the business, and has a pragmatic approach to collaboration with counsel in multi-jurisdiction disputes. He is open to discussion and responsive.’

‘The team has great knowledge of practice and procedure before the Irish courts and uses this to provide timely commercial advice. The team is very experienced in working as part of an international team on multi-jurisdictional cases and, as well as managing cases in Ireland, contributes to the development of the case internationally. The team is very responsive and is able to provide straightforward explanations of the complexities of litigating in Ireland.’

‘Shane O’Brien has great experience of acting before the Irish courts and uses this to efficiently navigate clients through the litigation process.’

‘Fiona O’Beirne is a great litigator, combining both commercially driven strategy with expansive procedural knowledge.’

Key clients

Transport Infrastructure Ireland


Chiesi Farmaceutici

Etraveli Group AB

Science Foundation


IPL Plastics

Maynooth University

National Transport Authority

Gilead Sciences Inc


Bristol Myers Squibb and Pfizer


Work highlights

  • Representing Gilead in defence of patent infringement proceedings and a counterclaim for invalidity in the Commercial Court brought by ViiV Healthcare Company and Shionogi & Co in respect of Gilead’s medicine Biktarvy, which is used for the treatment of HIV.
  • Representing Bristol Myers Squibb and Pfizer in the defence of two Commercial Court patent and supplementary protection certificate revocation actions brought by Teva related to the anticoagulant medicine Eliquis, and related infringement actions against Teva.
  • Advising Science Foundation Ireland in relation to the updating of its general grant terms and conditions and the grant terms and conditions for its Discover programme.

Whitney Moore

Whitney Moore’s intellectual property team has a core strength in contentious IP litigation. The practice acts for a sizeable client base of pharmaceutical companies in complex patent litigation, including handling the Irish elements of multi-jurisdictional disputes, and also provides pre-litigation advice and assistance with the protection of patents and supplementary protection certificates. In addition, the team is instructed by Irish and international clients in trade mark and copyright infringement claims. ‘Experienced litigatorAoife Murphy and the ‘knowledgeable and talentedRobin Hayes jointly lead the team.

Practice head(s):

Aoife Murphy; Robin Hayes


‘For many years, Whitney Moore have offered a high-quality service in IP to their clients.’

‘This firm is particularly strong in its IP practice.’

‘Robin Hayes has represented some household Irish brands in IP litigation in Ireland, and is hailed as an expert in this particular field.’

‘Very responsive and practical.’

‘A friendly and helpful team who strive to outwit the other side, with better quality arguments and submissions.’

‘Aoife Murphy is an experienced litigator. Very friendly and helpful. Robin Hayes is knowledgeable and talented.’

Key clients

Merck, Sharpe & Dohme Corp.

Edwards Lifesciences

Novartis AG

Amgen Inc.

F Hoffmann-La Roche, Biogen Inc. and Genentech

EISAI R&D Management Co. Ltd

Generics UK Ltd (Mylan)

Allianz plc

Shamrock Gift Company

Etex Ireland Ltd

Work highlights

  • Acting for Merck, Sharp & Dohme, as the plaintiff, in patent infringement proceedings brought against Clonmel Healthcare (a subsidiary of Stada) in the Commercial Court concerning Merck’s supplementary protection certificate for a combination drug used in cholesterol treatment.
  • Acted for Edwards Lifesciences in patent infringement proceedings before the Commercial Court brought by Evalve Inc (Abbott Cardiovascular Systems Inc) relating to Edwards’ Pascal transcatheter valve repair system.
  • Represented former shareholders of Labcoast in a dispute arising from a transaction agreement pursuant to which Boston Scientific acquired the patents and other IP relating to Labcoat’s stent coating technology.

William Fry

William Fry is highly active across the intellectual property space, acting for Irish and international clients from sectors including pharmaceuticals, technology, and food and beverages. Leo Moore and David Cullen lead on the team’s non-contentious work, which includes aiding clients in managing trade mark portfolios, both in Ireland and in other jurisdictions across Europe; it also provides advice on protecting IP rights and the commercial exploitation of these rights. Laura Scott is frequently instructed in patent, trade mark and copyright disputes in the Irish courts, with a particular specialism in the life sciences sector; other key figures in IP litigation include Colette Brady and Charleen O’Keeffe.

Practice head(s):

David Cullen; Laura Scott

Other key lawyers:

Leo Moore; Colette Brady; Charleen O’Keeffe


‘William Fry are well renowned for their IP practice. The team has particular expertise in life sciences patent litigation. They are responsive and highly diligent as well as being friendly to work with. They are often engaged in substantial cross-border patent litigation matters, working in close and fruitful collaboration with patent litigation teams in other jurisdictions. They also bring to bear their broader knowledge of life sciences legal issues in conducting patent litigation. The team are also refreshingly diverse in gender in the patent litigation field, which can often be dominated by males.’

‘Laura Scott and Charleen O’Keeffe are both highly recommended partners. Laura Scott is an experienced leader in Irish patent litigation focusing on the life sciences sector. She is very hands-on and takes a deep, keen interest in the litigation she is conducting. She is also a pleasure to work with and very collaborative. She is therefore a go-to choice when identifying Irish counsel for life sciences patent litigation. Charleen O’Keefe is an enthusiastic, energetic partner who demonstrates strategic thinking and a keen interest in ensuring that her clients prevail in their litigation. She is sure to be a star of the future in Irish life sciences patent litigation.’

‘David Cullen stands out for me within his domain and within William Fry. He has the perfect combination of technology, business and legal knowledge alongside a pragmatic, client-focused, holistic approach to delivering on our needs. He unquestionably has a genuine care for his clients which exceeds that of any other lawyer I’ve ever worked with – his care is authentic. Leo Moore is also a strong partner in the IP domain.’

‘It is a dynamic team which drives innovation and digitalisation within IP. Great to work with. Fast responses. Comprehensive in-depth knowledge and experience. Always provides practical and business-orientated solutions.’

‘Laura Scott is intensely committed to her clients; she has an eye for detail and leaves no stone unturned. Charleen O’Keeffe is a very bright IP lawyer. Colette Brady is a formidable litigator.’

‘The William Fry IP team stand out in the Irish market. They provide a full, 360-degree IP service and we can rely on them on all IP fronts. I find them to be particularly excellent in the pharma and technology (big tech/platforms) sectors with deep experience in food and beverages. William Fry appear to be involved in nearly all the big-ticket IP litigation cases and there is good reason for that given the strength and depth of their team. I also recognise the IP team as leaders in commercial IP cases, advising leading brands on strategic IP asset exploitation. William Fry is my go-to firm in Ireland for IP, without question.’

‘Laura Scott has an impressive patent practice, particularly on the pharma litigation side. Leo Moore is a very experienced practitioner and gives us clear, direct and smart insights on our cases, ensuring positive strategic outcomes; he is very user-friendly and is our go-to lawyer in Ireland. The William Fry team is good to work with, trustworthy and steadfast, which is critical when matters go late into the evening.’

‘I always come away from a meeting with the IP team at William Fry with a clear understanding of any IP issues and with a focused plan as to how to deal with them. As a business owner, this approach is so valuable. It’s never a meeting about a meeting; I feel I learn a lot from every meeting and it allows us to work smart as a business and be proactive around brand strategy as opposed to reactive. I think their PeopleBridge initiative is very interesting too.’

Key clients

Truata Limited

Valeo Food Groups



Eli Lilly



Viiv Healthcare

Boehringer Ingelheim

Clonmel Healthcare Limited

Work highlights

  • Advising Truata on global portfolio management and providing initial advice on a trade mark infringement matter and office actions before the Intellectual Property Office of Ireland and others.
  • Advising Valeo Foods Group on various contentious trade mark infringement and parallel import issues, as well as the ongoing management of its significant trade mark portfolio.
  • Acting for Eli Lilly and Company in the petition for the revocation of a patent held by Novartis and in the defence of Commercial Court proceedings issued by Novartis.

Arthur Cox

Arthur Cox’s broad intellectual property practice handles both contentious and non-contentious matters in this area. The team advises on the registration of IP as well as on commercial agreements, and is active in sectors including technology, consumer goods and education. It also advises pharmaceutical clients on the patent aspects of new product launches and acts for them in patent litigation. Olivia Mullooly leads the team and handles disputes as well as brand management and commercialisation matters. Gavin Woods and senior associate Domhnall Breatnach are also experienced in litigation.

Practice head(s):

Olivia Mullooly

Other key lawyers:

Gavin Woods; Domhnall Breatnach


‘Arthur Cox’s copyright and tech department is our only choice for Ireland. Quick, flexible, sharp and close.’

‘Olivia Mullooly has strong knowledge and experience with a client-centric approach. She is always approachable and flexible, and always offers the right practical solutions we and our clients need.’

‘The team comprise a very wide range of specialities, meaning that an expert is available to help in any situation, allowing them to handle corporate matters with cross-border complications in a very efficient and effective manner. Also, the team’s responsiveness is second to none, as is their ability to understand things from a client’s perspective, allowing them to proactively provide the necessary individual client support as well as providing timely and actionable advice to attorneys and company advisers working in multiple jurisdictions.’

‘Olivia Mullooly stood out to me for her professionalism and approachability, and the all-round excellence of her work.’

‘The Arthur Cox IP team has a unique ability to look around corners and resolve potential issues for our business before they have the chance to materialise. Olivia Mullooly and her team consistently provide top-class advice in a clear and concise manner (notwithstanding the tight deadlines which our business often demands). Arthur Cox are the ultimate trusted adviser and clearly value maintaining our strong solicitor/client relationship. The depth of legal knowledge across the firm distinguishes Arthur Cox from other practices. We particularly appreciate their ability to work collaboratively across their departments to ensure we have visibility on, and understand, the full picture at an early stage.’

‘The Arthur Cox IP team have been an excellent support to help us navigate our business through some particularly challenging times recently. Their response time to (often complicated) intellectual property queries sets Arthur Cox apart from other firms. Olivia Mullooly’s focus on maintaining our client relationship and, in particular, her ability to clearly communicate complex legal points is appreciated.’

‘The Arthur Cox IP team are uniquely placed to provide commercial, cutting-edge advice, having advised and litigated extensively in the area. The team provide sound and practical pre-litigation advice which is commercially beneficial to our company as it assists in saving costs and assessing risk.’

‘Gavin Woods is practical and savvy, providing sound direction both in preliminary advice and in litigious matters. I can pick up the phone to Gavin, who is readily available to assist with queries big and small, which I find extremely helpful and which makes him a go-to for me as I trust his approach. Gavin advises private clients and multinationals, making him well placed to assist on complex matters.’

Key clients


Johnson & Johnson

Trinity College Dublin

Origin Enterprises plc

Foundry Innovation and Research 1 Limited (FIRE1)

Dunnes Stores

Coolmore Stud

Facebook Ireland Limited




Work highlights

  • Acting for Johnson & Johnson in a significant patent dispute before the Irish Commercial Court in which the validity of the client’s Irish patent related to the use of an anti-psychotic drug is being challenged by Teva.
  • Acting for Ryanair in proceedings against flight comparison website Skyscanner over so-called screenscraping, as well as in similar proceedings against a number of other websites and online travel agents, including, and
  • Advising Kerry Group on the IP aspects of the sale of its high-profile consumer meats and meals brands to Pilgrim’s Pride.

DFMG Solicitors

DFMG Solicitors is instructed on the full range of intellectual property matters, including patent and copyright infringement litigation, the management of trade mark portfolios, and the negotiation of commercial agreements involving intellectual property. The team’s client base is equally broad and spans the pharmaceuticals, retail and financial services sectors, among others. Patricia McGovern leads the team and has many years of experience in this field; her knowledge of IP law is described by clients as ‘extraordinary.

Practice head(s):

Patricia McGovern


‘I think that this firm’s in-depth knowledge of the subject matter represents their strongest value proposition. I feel that, when I work with them, I am getting the best possible advice available in that jurisdiction.’

‘I would single out Patricia McGovern for special praise. Her attention to detail and depth of knowledge of European intellectual property law and practice is extraordinary.’

‘A very pleasant team, quick to respond, courteous and commercial in approach. The allocation to appropriately qualified staff is always spot on.’

‘Patricia McGovern is excellent – highly commercial and always has her client’s best interests at heart. Personable, intelligent and driven, she gets her clients to the point they want to be at (and sometimes more) in negotiations.’

‘The team at DFMG Solicitors provide me with advice and support that I can rely on 100%. They know the law technically very well and they are also pragmatic with its application. I find them to be very responsive to my requests and their collaborative and personable approach makes them a joy to work with.’

‘I work mostly with Patricia McGovern. Despite being on the other side of the world to Patricia, we manage to find suitable times to talk through issues and come up with solutions. Patricia’s knowledge of Irish, UK and EU law is excellent and she is always able to provide me with the legal position as well as a pragmatic solution to fit the issue in whatever country I need information about. I find that her response to any query is prompt with guidance as to the next steps provided. I can completely trust Patricia to give me the bost advice in a timely and cost-effective manner.’

‘They are responsive, immediately up to speed and pragmatic. Great to work with!’

‘Patricia McGovern has great overview and is a strategist.’

Key clients







Phillip Morris


Tony Quinn




Fundacion Hospitalaria Internacional de San Lazaro de Jerusale

Work highlights

  • Representing various Sandoz entities and Rowex, Sandoz’s distributor in Ireland, in a dispute with GSK concerning the colour purple.
  • Represented two Uhlmann companies in their proceedings for patent infringement against an Irish entity, Prodieco UC.
  • Handling the IP portfolio for Gilead Sciences Inc in Ireland, including the prosecution of applications and dealing with oppositions and other challenges.

Matheson LLP

Matheson LLP provides ongoing advice to clients on intellectual property matters involving patents, copyright and trade marks and handles IP registrations as well as passing off and copyright infringement litigation. The practice also advises clients from the consumer goods sector on preventing the production of counterfeit goods. Other areas of IP law covered by the team include the commercialisation of IP and issues surrounding the ownership of IP created through research agreements. Technology partner Anne-Marie Bohan is active in this space. Deirdre Kilroy left the firm.

Other key lawyers:

Anne-Marie Bohan

Key clients




Suntory (owner of Lucozade and other brands)

Irish Music Rights Organisation


Alistair Payne is the key contact at boutique intellectual property firm Acuatus, which acts for Irish and multinational clients on a range of matters. On the contentious side, the practice is frequently instructed by clients in the pharmaceuticals sector in patent litigation, and its expertise also encompasses trade mark disputes and passing-off claims. The team’s non-contentious work includes providing ongoing advice on IP portfolio management as well as assisting with brand protection and licensing agreements.

Practice head(s):

Alistair Payne

Key clients


Viatris (formerly Mylan)

Ogalas Unlimited (Home Store & More)

Treasury Wine Estates

Red Bull


Groupe Danone

Lambay Whiskey (Groupe Camus subsidiary)

Vectura Group

Teagasc – The Agriculture and Food Development Authority

Work highlights

  • Successfully represented Viatris (formerly Mylan) in an appeal brought by Gilead against a High Court decision invalidating the supplementary protection certificate for Truvada in Ireland, and currently acting for the client in cost recovery proceedings.
  • Obtained the first dynamic blocking order in Ireland in the High Court to prevent the unauthorised streaming of Uefa competition games in Ireland, and subsequently obtained a two-year renewal of the order.
  • Represented Vectura Plc in proceedings brought by GlaxoSmithKline in the High Court which concerned the alleged passing-off of the GSK purple inhaler for its Seretide product, which were eventually settled.

Beauchamps LLP

Beauchamps LLP‘s varied intellectual property practice encompasses advice on research and commercial agreements involving IP, trade mark registration and responding to alleged trade mark infringement. The practice is particularly noted for its work representing copyright holders in seeking blocking injunctions for websites hosting copyrighted content. Maureen Daly leads the team and is highly experienced in this field; she previously served as chair of the Law Society’s Intellectual Property and Data Protection Committee.

Practice head(s):

Maureen Daly


‘Very proactive and solution focused.’

‘Very responsive to our needs.’

‘This is our first-choice firm for work in Ireland.’

‘We are very happy with the responsive service Maureen Daly provides.’

‘Maureen Daly is very proactive and understands clients’ commercial needs very well.’

Key clients

The Football Association Premier League Limited

Glantus Holdings Plc

TriviumVet DAC

Mycoskie, LLC

Joule Hot Water Systems Limited

S&P Dow Jones Indices LLC

Cricket Ireland

Rawbite ApS

Peroxigen UK Limited

Digital Rehabilitation Limited

On The Beach

Work highlights

  • Provided advice to Glantus Holdings Plc on the IP aspects of its admission to AIM, the first company to be admitted post Brexit.
  • Advising Joule Hot Water Systems UK in relation to an intellectual property dispute.
  • Advised Cricket Ireland in relation to a potential IP dispute which was amicably resolved.

Eversheds Sutherland

Eversheds Sutherland provides a broad range of intellectual property advice to clients from sectors including consumer goods, financial services and sports, assisting with registering and protecting trade marks and with the IP aspects of corporate transactions. The team is particularly active in the technology sector, advising clients on IP matters related to software development and the launch of new products in this space. Marie McGinley leads the IP, technology and data protection team, while corporate partner Peter O’Neill is also a key figure in the practice.

Practice head(s):

Marie McGinley

Other key lawyers:

Peter O’Neill


‘Marie McGinley is an exceptional IP lawyer, who explains complicated matters in a concise and digestible way. Highly recommended.’

Key clients

Tetrarch Capital Limited

Goffs Bloodstocks Sales Limited

Arachas Corporate Brokers Limited

Educational Research Centre

Webdoctor Limited



Cora Systems Limited



Aspen Pharma

National Council for Special Education

Yellow Film & TV Oy

Work highlights

  • Advising Synch Payments DAC, a joint venture between Ireland’s four pillar banks, in relation to the development and launch of an interbank mobile payments solution on the Irish market, including advising on brand protection, trade mark registration of the Yippay brand and a licensing framework for customers.
  • Advising Arachas on an ongoing basis in relation to its IP matters, including handling transactions.
  • Advising Goffs Bloodstocks on all aspects of its IP, brand protection and promotional activities, particularly in relation to sponsorship, advertising, trade mark protection and other IP rights.

Addleshaw Goddard (Ireland) LLP

Under the leadership of David Hackett, Addleshaw Goddard's intellectual property team focuses on non-contentious matters in this space. Hackett and senior associate Jane Farren are both registered trade mark agents, and are frequently instructed by clients to handle trade mark filing and registration. The practice also advises on managing trade mark portfolios, including assisting clients with trade mark protection and avoiding IP infringement claims, and on the IP elements of corporate transactions.

Practice head(s):

David Hackett

Other key lawyers:

Jane Farren


‘High level of legal expertise, very commercial, great business acumen and good value for money.’

‘David Hackett went above and beyond in a difficult trade mark matter. David is the perfect business partner when things get difficult – extremely fast and reliable, and good for cost transparency and thinking outside the box. Highly recommended.’

Key clients

P J Rigney Distillery and International Brands Limited

Vans Inc

Glenisk Limited

Dawn Farm Foods Limited


New Look

Harvey Norman Trading (Ireland) Limited

Dominican Order

Kylemore Abbey Trust


Hickey & Co Limited

Social Talent Limited

Kepak Group

Johnson & Johnson Corporation

Rosderra Limited


The Juice Plus+ Company, LLC

Johnson & Johnson Group (includes Neutrogena Corporation, Janssen Pharmaceutical Companies, DePuy Synthes, Inc.)

The Farm Channel

Atlantic Therapeutics Group Limited

Society for Chartered Surveyors Ireland (SCSI)

Trojan Battery

Marks & Spencer

Pestle & Mortar


Cilag GMBH International

British Sky Broadcasting Group plc

Vodafone Ireland

Virgin Media

Ask 4 Broadband

AA Ireland

BMW Ireland

Tifco Hotel Group

Irish Hospice Foundation

Financial Risk Solutions

Aerospace Software Developments

Q Park

Walsh Whiskey Distillery

Golden Pages

B Braun

Suicide or Survive

Gael Linn

Work highlights

  • Advised Cambridge Education Group on the intellectual property aspects of its acquisition of a majority stake of iHeed Health Training.
  • Advised PointsBet, Australia’s largest online bookmaker, on its acquisition through an SPV of Banach Technology, a market-leading Irish gambling software developer.
  • Assisted Belron Group with a number of trade mark matters, including successfully registering a number of marks that the Intellectual Property Office of Ireland queried as non-distinctive.

ByrneWallace LLP

ByrneWallace LLP is regularly instructed by clients in intellectual property litigation, including passing-off and trade mark infringement claims. The practice also specialises in advising companies in the pharmaceutical sector on IP matters, such as licensing and research and collaboration agreements. Colin Sainsbury leads in this area and also heads the firm’s life sciences practice. Darren Daly advises on IP issues in other sectors including hospitality, retail and education, while Mark O’Shaughnessy handles contentious matters.

Practice head(s):

Colin Sainsbury; Darren Daly; Mark O’Shaughnessy


‘The team stands out for its client focus and attention to detail – two things you expect but are not always a given. The team at ByrneWallace have lived these qualities in all our dealings.’

‘Mark O’Shaughnessy has been an exceptional support on an extremely difficult, contentious and time-limited matter. He demonstrated exemplary practical knowledge and awareness in guiding us through a difficult matter. I would have no hesitation in recommending the work of him and his team.’

‘Colin Sainsbury is personable and very easy to engage with.’

‘Colin Sainsbury was excellent at cutting through some of legal content and clarifying IP cost impacts and possibilities. I believe we concluded with a fair win-win agreement.’

Key clients

Xeolas Pharmaceuticals

Staycity Limited

PrecisionBiotics Group Limited (formerly Alimentary Health Limited)

OneProjects Design Innovation Limited (OneProjects)

Avectas Limited

Q3 Medical Devices Limited

GoldCore Limited

Parcel Connect Limited t/a Fastway Couriers

The National Library of Ireland


Xeolas Limited

Amryt Pharma

Latch Medical Limited

Neuropath Limited



Daimler Benz

McCauley Pharmacy Group

Mainstream Renewable Power


Work highlights

  • Acted for Staycity, a provider of short-term rental and holiday accommodation, in High Court trade mark infringement proceedings against a company known as Serviced City Pads for unauthorised use of the client’s registered trade marks.
  • Advising Xeolas, an Irish speciality pharmaceutical company focused on the development of a number of niche, patient-friendly medicines.
  • Acted for Goldcore in litigation related to the alleged infringement of intellectual property rights.

Hayes Solicitors LLP

Hayes Solicitors LLP‘s intellectual property team is highly active in advising clients from the media, entertainment and advertising sectors on trade mark protection and commercialisation. The practice also assists clients including technology and consumer goods companies with the registration of trade marks and brand management. David Phelan leads the team and has longstanding relationships with a number of major Irish media companies. Jeremy Erwin and Laura Fannin, who has a particular specialism in the advertising sphere, are also noted.

Practice head(s):

David Phelan

Other key lawyers:

Joe O’Malley; Matthew Austin; Jeremy Erwin; Laura Fannin; Cian Clinch


‘I am very happy with the relationship with Hayes and find them extremely knowledgeable on matters of media law including copyright.’

‘Matthew Austin is very helpful, professional and knowledgeable.’

‘The Hayes team has an outstanding client service ethos that combines professionalism and attention to detail with approachability and a deep understanding of the client’s business objectives. There is a consistent excellence throughout the team and a willingness to engage with routine requests as well as the more challenging, complex matters. A particular strength is the clarity of their communications and their ability to present strategic and pragmatic options in a manner which greatly helps with our decision-making processes. Hayes stands out for its demonstrable commitment to technical excellence delivered with a personable professionalism in every aspect of the practice. They choose their team members well and nurture talent in an exceptional manner.’

‘Jeremy Erwin is clearly very knowledgeable, and consistently demonstrates his capacity for delivering strategic and practical advice in an accessible and timely manner. He proactively offers good ideas and we never need to chase for project updates. We have also benefitted from the input of senior partners David Phelan and Joe O’Malley, both outstanding practitioners in this and other commercial fields.’

Key clients


NK Management

The Irish Times



Institute of Advertising Practitioners in Ireland

Vision Consulting

Daring Boys and Girls Limited

Newspaper Licensing Ireland Limited

The Irish Cancer Society

ISQua – International Accreditation Body

Society of the Irish Motor Industry (SIMI)

TBWA Dublin

The Association of Promotional Marketing Consultants in Ireland

TK Maxx


United Biscuits


Work highlights

  • Advising Primark on intellectual property issues, including both non-contentious matters and contentious issues.
  • Advising NK Management on image rights, performance rights, programme content, copyright, trade marks and inventions.
  • Acting as the sole legal adviser to The Irish Times on a wide range of intellectual property matters.

LK Shields Solicitors LLP

LK Shields Solicitors LLP counts food and beverage, healthcare and technology companies among its clients in the intellectual property space, providing advice on both contentious and non-contentious matters. Since publication, Jeanne Kelly left the firm.


‘Very friendly and easy to work with. They know their stuff and are very thorough.’

‘There is strength in depth with the LK Shields team and they give commercial, pragmatic advice in a timely fashion. A real extension of our own team.’

‘We find them very able to deal with our queries, with a great, approachable manner and excellent knowledge of the law. We find them very responsive and they have a great array of clients.’

Key clients

Feilte Dhuibh Linne Cuideachta Faoi Theorann Rathaiochta (St. Patrick’s Festival)

Cartier International AG

IESA Limited


FremantleMedia Limited and Simco Limited

CareChoice (Group) Limited

Work highlights

  • Advised St. Patrick’s Festival on its sponsorship agreement with TikTok Technology relating to TikTok’s official partnership with Ireland’s first virtual St. Patrick’s Day Festival held in March 2021.
  • Acted for Cartier in High Court proceedings in Ireland brought in order to protect its intellectual property rights from infringement.
  • Acted for FremantleMedia and Simco (co-owners and co-producers of the Got Talent television shows globally) in Supreme Court proceedings protecting the Got Talent brand from infringement in Ireland.

Pinsent Masons LLP

Pinsent Masons LLP’s growing IP team is highly active in litigation related to pharmaceutical patents, acting in passing-off and patent revocation proceedings for multinational clients. In addition, the practice represents companies in sectors including energy, aviation and technology in copyright and trade mark litigation. Ann Henry and Michael Finn serve as practice co-heads.

Practice head(s):

Ann Henry; Michael Finn


‘Very experienced and knowledgeable in the area of patent litigation, especially pharmaceutical patents.’

‘Ann Henry is very easy to work with, very experienced and knowledgeable.’

‘The IP team at Pinsent Masons take a results-focused approach and show real determination to always achieve the best commercial outcome for their clients.’

‘Ann Henry is a standout individual, working tirelessly to ensure she gets the best results for her clients. She is a valuable partner and counsel for any busy in-house IP team.’

Key clients

Aviareto Limited

Avantor Performance Materials Poland S.A.

Teva Pharmaceutical Industries Limited/Norton (Waterford) Limited

Flogas Ireland Limited

DCC Energy Limited

Travel Counsellors (Ireland) Limited

Snorkel Europe Limited

Work highlights

  • Representing Teva in three sets of patent revocation proceedings and two sets of patent infringement proceedings before the Irish Commercial Court, as well as in its appeal of the High Court’s decision regarding Teva’s revocation action against Boehringer’s patent for Tiotropium.
  • Successfully advised Aviareto on a pan-EU preliminary injunction for trade mark infringement of its EU trade mark.
  • Acting for Flogas in trade mark infringement and passing-off proceedings against Tallaght Fuel Centre and Glogas, including an application for injunctive relief.


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.

Practice head(s):

Diarmaid Gavin; Darryl Broderick


‘RDJ provided excellent advice on copyright issues, incorporating international examples relevant for context. We therefore received advice appropriate to the specific issue, but also a wider context that helped our institutional knowledge of copyright developments internationally. In the last year, RDJ have smoothly pivoted to online meetings per Covid guidelines.’

‘Darryl Broderick ensures the issue moves along and our needs are met.’

‘They are knowledgeable in the area of legal issues regarding R&D and academic-industry collaboration.’

‘Diarmuid Gavin is knowledgeable and approachable. Provides realistic advice grounded in solid experience.’

Key clients

University of Limerick

University College Cork

Dublin City University

Knowledge Transfer Ireland

Trinity College Dublin

University College Dublin

Mater Misericordiae Hospital

Eli Lilly

Munster Rugby

Connacht Rugby

Wissam Al Mana

Work highlights

  • Advising the University of Limerick in relation to legal arrangements for the second phase of the Dairy Processing Technology Centre, a collaborative research centre between dairy companies and a number of universities of which UL is the lead.
  • Advising the recently formed Corrib Core Lab, a dedicated clinical research team based at NUI Galway, in relation to a range of clinical trial funding agreements, site agreements and clinical research services agreements.
  • Advising Teagasc in relation to a variety of intellectual property and licensing matters arising from the Meat Technology Ireland technology centre, of which Teagasc is the lead research organisation.