About Niall

Niall Tierney is an experienced, registered, regulated and fully insured Intellectual Property Lawyer and Consultant. He operates as a sole practitioner.

Niall combines his knowledge of Intellectual Property law with his over 30 years of experience and a ‘no-nonsense’ approach to provide clients with strategic focused legal advice about  the monetisation, ownership and use of key intellectual property assets.

Niall’s particular speciality is in the clearance, protection and maintenance of brands; industrial designs; product packaging/get up; copyright and related rights; personality rights and trade secrets. His reputation is for providing commercially orientated Intellectual Property advice and assistance to clients in a timely manner.

What Niall can do for you?

As a lawyer specialising in Intellectual Property law, Niall offers a wide range of services. He provides advice and assistance to businesses and individuals across a variety of sectors in relation to the clearance, enforcement, licensing, management, protection and securitisation of brands; trade marks; designs; image rights; logos; literary, musical and artistic works within the European Union and the United Kingdom.

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

Niall is also available to represent clients in Mediation and Arbitration proceedings. He is a signatory to the World Intellectual Property Organization Mediation Pledge.

Legal advice and assistance in relation to Patents

Why choose Niall?

Niall Tierney has over 30 years experience as a leading qualified Intellectual Property lawyer gained while working within the European Union, Switzerland and the United Kingdom (City of London).

Throughout his career, Niall’s expertise and acumen has been frequently recognised in top independent legal directories such as “The Legal 500®” and “WTR 1000®”.  

In WTR 1000®, Niall has been regularly ranked in the top ‘Gold Tier’ for Trademark Prosecution and Strategy in Ireland.

As one of the most highly rated Intellectual Property lawyers in Ireland, Niall has been regularly listed on a yearly basis in the prestigious WTR Global Leaders.  

Niall has both private practice and  in-house experience gained during his time working in the European Union, the United Kingdom and Switzerland. 

All matters are solely handled by Niall from start to finish.

All communications with Niall are protected under statute through the doctrine of legal professional privilege, which means they are confidential and cannot be disclosed to the other side without his client’s permission.



Telephone: +353 (0)83 396  7887


Telephone: +44 (0)28 9581  2156

In telephoning, please note that legal advice is only provided to established clients of my practice.

Email :info@tierneyip.com

Office Hours:

Open: 9 a.m. to 6 p.m. (UTC+0) – Monday to Friday
Closed: Weekends & Public Holidays (Ireland and United Kingdom)

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