Sinéad O’Carroll

B.Sc (Hons), PhD

After completing my PhD in the field of bio-inorganic medicinal chemistry and chemical biology under the supervision of Assoc. Prof. Andrew Kellett at Dublin City University in December 2021, I decided to pursue a career path at the interface of science and law and begin my formal training to become a patent attorney. My interest in the intellectual property field stemmed from observing my supervisor and colleagues go through the patent application process of their novel scientific inventions.

From a young age, I have always been fascinated by the world of science, medicine, and pharmaceuticals and so completed my undergraduate degree BSc. (Hons) in Chemical and Pharmaceutical Sciences at DCU in 2017. At the end of my undergraduate studies I received the runner-up prize of the Paraic James Memorial Award for Undergraduate Academic Excellence. During my undergraduate degree I completed a placement in an industrial laboratory as a Quality Control Chemist and Laboratory Technician.

My PhD thesis covered a range of areas in pharmaceuticals and biotechnology with a particular emphasis on oncology, chemotherapeutics, diagnostics, and nucleic acid therapies. During my studies I collaborated with world leaders in medicinal chemistry from The University of Oxford and the National Institutes of Health (NIH), and had the opportunity to spend some time at The University of Oxford for some of this collaborative research.

During the final year of my PhD studies I was awarded the Colin Barnes Commemorative Award for Postgraduate Academic Excellence at DCU.

Outside of my studies, I enjoy playing piano and completed my eight grades at the Royal Irish Academy of Music, I’m a keen tennis player and spent a summer coaching in the US, and I love to practise yoga and have a personal goal of attaining my yoga teachers training qualification at some stage in the future.



  • PurdyLucey Named Patent Prosecution Firm of the Year 2022
    IP Stars / Managing IP
  • Barry Purdy named as a Global IP Star by MIP
    IP Stars / Managing IP
  • Michael Lucey named as a Global IP Star
    IP Stars / Managing IP
  • PurdyLucey Named As Top Tier Firm For Patent Prosecution
    IP Stars / Managing IP 2021
  • Susanne Cahill Named as a 'Rising Star' by Managing IP
    IP Stars / Managing IP
  • Michael Lucey named a Global IP Star by Managing IP
    IP Stars / Managing IP
  • Barry Purdy recognised as a Global IP Star by Managing IP
    IP Stars / Managing IP
  • Patent Prosecution Firm of the Year 2020
    IP Stars / Managing IP
  • 'Hallmarks of the IP service at PurdyLucey are attention to detail and a resolutely commercial focus; every patent application – whether under the Irish, UK, European or Patent Cooperation Treaty systems – is drafted, filed and prosecuted with the utmost care and rigour.'
    IAM Patent 1000 - 2018
  • 'PurdyLucey has been 'warmly endorsed' and is described by IAM as a firm that has secured ''a remarkably strong foothold'' in the prosecution market, thanks to its bright practitioners, whose ''exemplary lateral thinking generates novel concepts and successful strategies''. Highly recommended is co-founder Michael Lucey, a software authority who dispatches ICT mandates with aplomb.'
    IAM Patent 1000 - 2018
  • 'Co-founded by established attorneys Barry Purdy and Michael Lucey, PurdyLucey is forging a strong name thanks to its ''superb pool of prosecution nous''. It is particularly noted for its prowess in Purdy's chosen field of biotechnology, making it a prime choice for life sciences clients. This concentration is complemented by Lucey's success in his electronics and software specialism.'
    IA Patent 1000 - 2018
  • 'Barry Purdy and Michael Lucey are the leading lights and should be considered among the top names in Ireland.'
    Managing Intellectual Property - 2018