Welcome to the professional website of niall tierney.

Niall is a Registered Intellectual Property Lawyer & Consultant. As a sole practitioner with over 30 years of experience, Niall offers straightforward, strategic legal advice on the ownership, management, use, and monetization of Soft IP assets.

Niall’s core expertise includes the clearance, protection, management and monetization of trade marks, industrial designs, product packaging, copyright, personality rights, and trade secrets.

Niall is committed to delivering commercially focused, timely solutions with a practical, no-nonsense approach.

Niall’s Qualifications and Case Work.

What can Niall do for you?

As a lawyer specialising in Intellectual Property law, Niall offers a comprehensive range of services. He advises businesses and individuals across diverse industry sectors.

Niall is accredited before the following Intellectual Property offices:

The European Union Intellectual Property Office
The Intellectual Property Office of Ireland
The United Kingdom Intellectual Property Office
The World Intellectual Property Organization

Additionally, Niall acts as an IPEP legal representative and is available to represent clients in Mediation and Arbitration proceedings. Niall is also a proud signatory to the World Intellectual Property Organization Mediation Pledge.

Why choose Niall?

Niall brings over 30 years of elite legal experience gained across the European Union, Switzerland, and the United Kingdom, including time spent with premier City of London ‘Magic Circle’ law firms. Notably, he was the first Intellectual Property practitioner in Ireland to be admitted to the List of Professional Representatives of the European Union Intellectual Property Office (EUIPO), maintaining his practice uninterrupted since 2 February 1996.

Throughout his career, Niall’s expertise and commercial acumen has been frequently recognised by top independent legal directories:

WTR 1000® – frequently ranked in the premier ‘Gold Tier’ for Trademark Prosecution and Strategy in Ireland

The Legal 500® – recognised for his reputation.

WTR Global Leaders – Routinely listed among the world’s most elite IP minds  

Niall has an established track record of advocating for clients at both in-person and remote oral hearings before the Intellectual Property Office of Ireland and the United Kingdom Intellectual Property Office. His representative client list includes industry leaders such as Apple Inc, Shiseido and Milton International.

Additionally, Niall serves as an EU IP law consultant to prestigious international law firms and acts as external counsel to a leading anti-counterfeiting organisation. When you instruct Niall, you receive an exclusive, one-to-one service where your matters are solely handled by a senior expert from start to completion. All communications are fully protected under the doctrine of Legal Professional Privilege within the EU and UK.

How does Niall charge for his fees?

All services provided by Niall are invoiced through Tigurnmas LTD, t/a TIERNEY IP.

TIERNEY IP offers flexible fee structures designed to your needs:

Fixed fees: Available for most matters prosecuted before accredited IP offices.

Alternative Fee Arrangements (AFAs): Flexible options outside the traditional hourly rate model.


If you would like more information about our fee structures, please contact us:

Email: info@ info@tierneyip.com.

Phone: +353 (0)91 411 690.


Payments to TIERNEY IP can be made by via:

Electronic Funds Transfer (EFT) /Wire transfer:  Bank details are provided on your invoice

Via Wise® Quick Pay:  Email tatiana@tierneyip.com for a dedicated link.

Beware of misleading invoices and scams