Dr. David Keston of Murgitroyd is a UK Chartered Patent Attorney and European Patent Attorney.

David has prepared and prosecuted a number of Oppositions and Appeals and attended Oral Proceedings before the Board of Appeal, Opposition Division and Examination Division of the European Patent Office. David has also prepared advice for, and briefed counsel and senior management in, a number of contentious matters, including: licensing, ‘freedom to use’ and infringement issues.  David is a member of the Litigation Committee of the Chartered Institute of Patent Attorneys (CIPA).

With a joint honours degree in Theoretical Physics and Mathematics from the University of St. Andrews and a doctorate in Plasma Physics from the University of Glasgow for research into equal-mass plasmas, David began a career in patents in 1997.  David has worked as an Examiner at the UK Patent Office, in-house with the legal functions at Siemens (UK) and Vodafone Group, and in tier 1 private practice patent attorney firms. 

In-house, David managed a sizeable patent portfolio, oversaw the migration of legacy filing and records systems to web-based services and had responsibility for providing advice on intellectual property matters and patent protection to internal clients distributed across the globe. 

In his private practice roles, David has worked with several large multinationals, SMEs and academia alike.  David has gained wide experience of original drafting and prosecution of International, European, UK and US patent applications in computer networks, imaging, photonics, telecommunications systems (xDSL, LTE, HSPA, UMTS, GPRS, Software Radio), as well as consumer electronics and mechanical subject areas. David has also drafted and prosecuted patent applications related to graphical user interfaces, touchscreen technologies, digital photography, Video on Demand and broadcast technology (satellite and terrestrial), signal processing, cryptography and digital rights management. 

*Not a member of Schwegman Lundberg & Woessner P.A.