Fiona Hey

Fiona Hey

Senior Associate - Patent Attorney

Since joining Potter Clarkson’s biotechnology and pharmaceuticals team in 2016, Fiona has gained national and international experience by assisting with patent prosecutions before the European Patent Office (EPO), as well as the prosecution of several global patent portfolios, including applications in Australia, Canada, China, India, Japan and the US.

Fiona also has experience in the drafting and prosecution of patent applications, as well as patent oppositions and freedom to operate exercises.   

Prior to joining Potter Clarkson, Fiona gained considerable research experience, spending five years as a post-doctoral research associate at the University of Leicester on a Cancer Research UK (CRUK) funded project investigating how mutant versions of oncogenic BRAF initiate and drive human cancer development. This work involved transgenic mouse models, proteomics, fluorescence microscopy, protein biochemistry and analysis of human tumour samples to identify novel therapeutic targets and biomarkers for oncogenic BRAF-driven cancers.  



Life sciences: antibody technology, oncology, personalised medicine, immunotherapy, protein stability, assay technologies, industrial enzymes and biochemistry


Fiona obtained a first-class honours degree in biochemistry from the University of Nottingham before completing a PhD in biochemistry and genetics at the same institution. Her doctoral thesis was focused on the regulation and localisation of DEF6, a Rho family guanine nucleotide exchange factor in T cell signalling.  


BSc (Hons), PhD, UK and European Patent Attorney


In her spare time, Fiona enjoys yoga.