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David Webb

Registered Foreign Lawyer (England and Wales)
Hong Kong Korea Group

David specialises in advising clients on high tech intellectual property disputes. 

With a first class master's degree in Natural Sciences David advises on a wide range of technically complex patent and other intellectual property matters.

David has experience in high tech patent disputes in a range of fields, particularly electronics, semiconductors, LEDs and telecoms, as well as in the pharmaceutical, diagnostics and healthcare sectors. His scientific background, covering both physics and chemistry, allows him to quickly get up to speed on complex technical concepts and to provide strategic commercial and legal advice to clients.  He also has an interest in disputes around fair, reasonable and non-discriminatory (FRAND) licensing and has assisted clients and written articles in this area.

David has worked on high profile patent litigation before the English High Court – involving highly technical expert evidence – as well as coordinating proceedings across the US, Asia and Europe. He is currently based in Asia and continues to advise on intellectual property matters across Europe.


David graduated from University College London with a first class master's degree in Natural Sciences, with a focus on physics and chemistry. In 2020 he was awarded a distinction in the Postgraduate Diploma in Intellectual Property Law and Practice from Oxford University.

David is admitted as a solicitor in England & Wales and is a solicitor advocate with rights of audience in all civil proceedings. He is also admitted to the California state bar and the Central District of California federal court.

David is a member of the Institute of Electrical and Electronics Engineers (IEEE).

Experience & expertise

Selected matters

  • Seoul Semiconductor in proceedings to revoke General Electric’s patent relating to LEDs and defending a counterclaim for infringement
  • R2 Semiconductor on enforcement of its patent relating to on-chip power management technology against Intel and defence of a counterclaim for revocation
  • Ariosa on a patent dispute concerning its Harmony® non-invasive prenatal genetic test, including validity and infringement proceedings in the UK High Court and a subsequent declaration of non-infringement
  • a Korean semiconductor manufacturer on a number of highly technical patents relating to LED technology and chip architecture
  • a lighting manufacturer on its pan-European defence against a competitor owning a large portfolio of LED-related patents
  • a telecoms company on potential litigation around licensing rates for a standard essential patent portfolio, including whether these rates were fair, reasonable and non-discriminatory (FRAND)
  • Sanofi in UK High Court litigation relating to its leading treatment for multiple sclerosis, Aubagio®
  • a global pharmaceutical company in coordinating its multi-jurisdictional enforcement strategy concerning its IP rights over a small molecule blockbuster drug
  • a gaming company on copyright and trade mark infringement claims
  • a range of clients on strategy around the Unified Patent Court (UPC)