Rob Pugh

Rob Pugh

Partner - Patent Attorney

Rob is a skilled European Patent Attorney with about 20 years’ experience in the life sciences and industrial chemical sectors, coordinating worldwide patent strategies, providing advice on and related to patent infringement and validity, and handling EPO oppositions.

Prior to becoming a patent attorney Rob worked at Imperial College, London, and a multinational energy company in Amsterdam as a Marie Curie research fellow. Through this work Rob is an author and inventor of several academic papers and patents, and has contributed to a textbook, all in the fields of homogeneous catalysis and polymerisation catalysis. 

Following his academic and industrial careers, Rob joined Potter Clarkson in 2003 and became a partner in 2011. His work involves the planning, preparation and prosecution of patent applications in the UK, Europe and globally. Rob regularly provides advice on whether his clients’ competitor patent rights present issues for present or future commercial plans, and how such issues can be addressed technologically and legally.

Rob in an experienced and accomplished advocate at the European Patent Office (EPO), having handled around 100 cases before the EPO Opposition Divisions and Boards of Appeal. 


Fluorocarbon chemical process technology, foodstuffs, enzyme technology, pharmaceutical compositions and polymer blends. Rob also handles medical device and refrigeration technology work.  


Rob read chemistry at undergraduate and PhD level at the University of Bristol. 


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

Awards & Recognition

IAM Patent 1000 - Prosecution 2021-2022


In his spare time, Rob enjoys all forms of sport and music. 



Rob is a great choice for EPO patent prosecution and general patent advice. He is great to work alongside, provides proactive advice and is easy to approach. He is a smooth communicator, offers a deep understanding of technical fields and delivers professional work product. His professionalism, communication, quick response times and problem-solving abilities are admirable.” IAM Patent 1000: The World’s Leading Patent Professionals, 2023
Pugh is consistently responsive, paints a clear strategic picture for clients and quickly understands both the technical and business aims." IAM Patent 1000: The World’s Leading Patent Professionals, 2021
They give sound advise from a legal perspective but they also consider the commercial aspects on projects which makes them stand out from other competitors. Mark Snelgrove, Simon Curtis, Ian Dee, Rob Pugh do an excellent job on patent litigation." Legal 500, 2020