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Dr Liam Dorr


A.A. Thornton & Co

Dr Liam Dorr is a Patent Attorney within our Chemistry, Biotechnology & Pharmaceuticals patent department. Liam’s clients operate in industry sectors such as oil & gas, energy services, and biotechnology.


  • Patents

Core Responsibilities

  • Patent application prosecution at the EPO and UKIPO
  • Client and overseas attorney liaison
  • Reading and analysing prior art documents
  • Legal research
  • Contributing to oral proceedings preparation and infringement assessments


  • Liam joined A.A. Thornton & Co. in December 2014
  • Qualified as a UK patent attorney in 2018


  • Oil, Gas & Petrochemicals
  • Pharmaceuticals


  • MChem Chemistry, University of Liverpool
  • PhD Small Molecule Drug Discovery, University of Liverpool
  • Certificate in Intellectual Property Law, Queen Mary University of London

Professional Memberships

  • Student member of the Chartered Institute of Patent Attorneys (CIPA)

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Recent governmental report on the UK Life Sciences Sector A report to the UK government[1] has recently published, with the aim of bringing into focus the next 20 years of UK government policy in the ‘health life sciences’ sector. In the context of the report, ‘health life sciences’ refers to the application of biology and… Read more »

A.A. Thornton & Co. announce promotions for Nikesh Patel and Louise Foster

A.A. Thornton & Co. announce promotions for Nikesh Patel to Associate Patent Attorney and Louise Foster to Principal Trade Mark Attorney.

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On Saturday 6 June, A.A. Thornton & Co. sponsored and took part in the Toy Trust Big Thames Challenge, raising a record-breaking £205,000 for UK based child mobility charities.

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