Daniel is a European patent attorney who has a very strong background in immunology. He is a specialist in the Life Sciences sector with experience across all areas of biotechnology, including immunology, oncology, biomarker, gene therapy, diagnostics, vaccine, antibody, and nanotechnology inventions.

Before joining the profession, Daniel received his Doctorate in Molecular Medicine from the University of Oxford, and a First-class degree in Biochemistry from the University of Leeds, which included a one-year placement at GlaxoSmithKline. Daniel’s impressive background gives him invaluable insight and understanding of both academic and industrial commercial activity, which allows him to provide appropriately tailored advice to all clients.

Daniel advises a wide range of businesses, including Universities, start-ups and multinational corporations. He is experienced in the filing and prosecution of UK, European and overseas applications, as well as in providing opinions on freedom-to-operate (FTO) and infringement matters. Daniel also has experience on contentious matters, including European oppositions.


  • Completed research at a global pharmaceutical enterprise, smaller biotech company and academia, which allows him to understand the different commercial goals and requirements of all clients
  • Has helped prosecute multiple applications to grant, finding ways through complex prior art
  • Provided a comprehensive infringement opinion to a world-renowned brand on a key new product
  • Has successfully defended European patents in Opposition proceedings
  • Provided advice to various universities on COVID-19 related technologies in the weeks immediately following the lockdown in the UK
  • Regularly attends the BIO International Convention, to keep up to date with current technology in the field and to keep in touch with clients


“Having worked with Daniel for several years on several complex patent portfolios, I can confidently share that he commands strong respect from academics at the top of their field. Daniel is a highly skilled patent attorney with deep technical knowledge and an enquiring approach that adds value to any filing. His personable, professional, and efficient approach means he is a valued part of the cross-functional team when enabling filing strategies to enable impactful commercialisation.”

Dr Susan Campbell, Senior Licensing and Ventures Manager – Life Sciences, Oxford University Innovation Ltd.


Daniel Gaughan has provided outstanding expertise, which has successfully influenced the progression of our patent application.  Always professional, conscientious and technically skilled, Daniel has been a pleasure to work with.”

Professor Graham Ogg, Professor of Dermatology, University of Oxford.


“It has been a pleasure to work with Daniel Gaughan at Barker Brettell. He has worked on numerous patent applications with us and has shown very good understanding and knowledge of the underlying science and a quick grasp of new concepts. His patent drafts have been well prepared and he has been responsive and constructive in making adjustments, even when deadlines are looming.”

Professor Sir Andrew McMichael FRS, University of Oxford.