Tiernan Graham

Trade Mark Assistant


Tiernan joined Dehns in 2021, after graduating from the University of Bristol with an Undergraduate degree in Law, and a Master’s degree in International Law, for which he achieved First Class Honours and a Distinction respectively. During his second year at Bristol he received a letter of commendation from the law school. At Bristol, Tiernan studied intellectual property law, which he credits with sparking his interest in the area, and in trade mark law specifically.


Types of clients and client work

Tiernan assists a wide range of clients from individuals to multinational corporations in a variety of UK, International and overseas trade mark matters.  Tiernan works with clients from a varied range of commercial sectors including cosmetics, energy, finance, food and drink, healthcare and pharmaceuticals, and software.

Tiernan has experience of UK and EU Trade Mark filing, prosecution, and enforcement, including:

    • Conducting pre-filing searches and advising on filing strategy;
    • Dealing with official objections, including drafting and filing substantive responses;
    • Filing and defending oppositions, including drafting and filing submissions and evidence;
    • Reviewing surveillance reports and watch notices, and advising on appropriate actions;
    • Negotiating, drafting, and finalising settlement agreements.

Tiernan has also been involved with filing and prosecuting International applications, including liaising with and instructing overseas agents, and has also assisted with customs issues involving Applications for Action and counterfeit goods.



Tiernan assists the Associates and Partners with all aspects of trade mark law, but particularly enjoys helping clients overcome official objections issued by the UK IPO and EUIPO, in order to secure registration of their proposed marks.


Qualifications and Memberships

  • Postgraduate Certificate in Trade Mark Law and Practice, Queen Mary University of London, 2023
  • Student member of the Chartered Institute of Trade Mark Attorneys (CITMA)


 Higher Education

  • LLB, Law, University of Bristol, 2020
  • LLM, International Law, University of Bristol, 2021

Contact details

St Bride’s House
10 Salisbury Square
United Kingdom

+44 (0)20 7632 7200


trade marks