Kat Langford


Kat works in the Life Sciences group at Carpmaels & Ransford. She has experience in prosecuting patent applications, post-grant opposition proceedings before the EPO and managing large patent portfolios. Kat has worked on a broad range of technologies, including antibody-based therapies, gene editing, vaccines, biomarkers and viral gene therapy vectors.

Kat graduated from the University of Cambridge with a first class degree in Natural Sciences, specialising in pathology. Her post-graduate research, conducted as part of the Wellcome Trust Infection & Immunity PhD programme, focussed on the molecular mechanism of genome packaging in influenza A virus.

Kat joined Carpmaels & Ransford in 2021, having entered the patent profession in 2012. She is a qualified UK and European patent attorney. As part of her qualification, she was awarded the GlaxoSmithKline Prize at Queen Mary University of London for the highest mark in the patents examinations. She was also awarded the Ballantyne Prize by the UK Chartered Institute of Patent Attorneys for the highest mark in the Validity & Infringement examination.

In her spare time, Kat enjoys riding horses and walks in the countryside.


  • MA Natural Sciences (University of Cambridge)
  • MPhil (University of Cambridge)
  • PhD (University of Cambridge)
  • Chartered UK Patent Attorney
  • European Patent Attorney
  • CertIP Certificate in Intellectual Property
  • Intellectual Property Litigation Certificate
  • UPC Representative