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MacLachlan & Donaldson is one of Ireland’s largest and most experienced Intellectual Property (IP) firms.  Our resources and expert staff are dedicated to protecting the valuable and diverse intellectual property interests of our clients. We are among the top 250 firms across the whole of the European Union for filing of community trade mark applications. The 2015 edition of World Trademark Review 1000 states that the company offers a “comprehensive prosecution service” and “can effortlessly keep pace with clients’ fast-changing business needs”.


Your IP is a valuable business asset, whether it is a patent, a trade mark or a design and we will work diligently with you to ensure that your Intellectual Property is protected and gives you a tangible return.

We work for some of the world’s most prestigious and best-known companies and we are also proud to protect the interests of the many individuals and small enterprises we count among our clients.

Many of our clients work at the cutting edge of science and technology, while others are market leaders in the retail or services sectors. Our extensive expertise means we can provide a tailored service for all our clients, regardless of size or sector.

We provide a highly efficient, professional and cost effective service, taking a proactive approach to IP protection and enforcement.

We take the time to fully understand your business and markets so we can give practical advice focused on your specific commercial needs.

For clients with IP interests that reach beyond Europe, we have established a worldwide network of expert IP firms with whom we work to ensure that your interests are protected in all relevant markets.

LISTEN  – We engage with you to identify, consider and discuss your brand, innovation or design

EVALUATE – We assess the protection available for your Intellectual Property and make recommendations

PROTECT – We work with you through the stages involved so that your valuable asset is secured and we assist you in enforcing or defending that asset.

If you would like to take advantage of our Free IP consultation service please click here.