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Stephen Hodsdon

Partner, European Patent Attorney, UK Patent and Chartered Trade Mark Attorney, Litigator

Stephen’s patent work focuses on the telecommunications, electronics, computer software, cleantech and medtech industry sectors. Stephen has particular expertise in handling cases where there is a cross-over with aspects of bioscience and biotechnology. 

Stephen’s design and trade mark work encompasses the fashion, consumer products, pharmaceutical, retail and transport sectors.

Stephen’s clients include multi-national companies, several universities in the UK and elsewhere and local SMEs. He is also a regular visitor to Japan and Korea.

Stephen is also qualified as a patent attorney litigator and advocate and handles patent, trade mark and design litigation in the Patents Court (High Court) and Intellectual Property Enterprise Court (IPEC) and has conducted patent and trade mark appeals from the UK IPO in the High Court and advised on numerous pre-action matters in patents, trade marks, designs and copyright to achieve settlements for his clients.

Stephen recently represented Owens Corning subsidiary OCV in defending its patent from a revocation action brought by Chinese competitor Jushi Group, Co.. OCV were successful in both IPEC ([2017] EWHC 171) and the Court of Appeal ([2017] EWCA Civ 1416).

In 2008 Stephen was called to the Bar (Lincoln’s Inn) to undertake a one year pupillage (training as a barrister) at one of the leading chambers specialising in IP in London, where he gained substantial experience in all aspects of IP litigation.

In 2009 he was awarded the Patent Agent Litigator Certificate allowing him to conduct intellectual property litigation in all relevant courts. In 2014 he was awarded the Higher Courts Advocacy Certificate, giving him full rights of audience in these courts, including the Patents Court, Intellectual Property Enterprise Court and on appeal from the Patents Court or IPEC.

Stephen joined J A Kemp as a partner in 2018 after working elsewhere in private practice. He is based in our Cambridge office.




University of Cambridge, Masters Degree in Natural Sciences (Experimental and Theoretical Physics); BPP Law School Graduate Diploma in Law and Bar Vocational Course

Professional Qualifications

European Patent Attorney; UK Chartered Patent Attorney; UK Chartered Trade Mark Attorney; Higher Courts Patent and Trade Mark Litigator and Advocate

Membership of Professional Bodies

Fellow of the Chartered Institute of Patent Attorneys (CIPA); Member of the Institute of Professional Representatives before the European Patent Office (EPI); Member of the Chartered Institute of Trade Mark Attorneys (CITMA)



Tel: +44 1223 637 100

CPC2 Building
Capital Park
CB21 5XE

Contact Stephen

If you wish to talk to Stephen Hodsdon, please send an email directly to

or call +44 20 3077 8600

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