Adrian Chew

Partner – Patent litigation

Adrian Chew's headshot

Adrian specialises in advising clients on all issues relating to the enforcement and validity of patents and supplementary protection certificates, including topical issues such as medical use claims, plausibility, antibody functional claims, Article 3 of the SPC Regulation, and the doctrine of equivalents. Adrian also acts for clients in contractual disputes involving patent rights, both before the High Court and in private international arbitrations.

In addition to his expertise in English proceedings, Adrian frequently assists clients with the coordination of litigation in other jurisdictions, working with law firms in Europe, Korea, India, China and the Middle East. In particular Adrian advises a top five pharmaceutical company in the enforcement of its worldwide patent portfolio for two of its blockbuster drugs.

Adrian’s recent experience includes:

  • Actavis v Eli Lilly (atomoxetine, Patents Court)
  • Warner Lambert v NHS England (pregabalin, Patents Court)
  • Teva v Eli Lilly (galcanezumab, Patents Court)
  • Alcon v Aspire & Accord (travoprost, Patents Court, Court of Appeal)
  • Sandoz v BMS (apixaban, Patents Court, Court of Appeal)
  • Celltrion v Novartis & Genentech (omalizumab, Patents Court)

Credentials

  • BSc Biology, University College London
  • LLB Law, College of Law
  • Postgraduate Diploma in Intellectual Property Law, Oxford University
  • Qualified 2013
  • Admitted in Republic of Ireland 2025
  • UPC Representative 2025

What others say

“Adrian Chew is a rising star partner with a very deep technical understanding, with a technical background in science and the law, and a huge amount of experience from high-profile cases over the years. He has been involved in major LOE cases.” Legal 500 2027
“Recently promoted Adrian Chew has a great technical background and is very knowledgeable about the law. He is a rising star and one to watch out for.” Legal 500 2027
“Brian Cordery is highly regarded amongst all UK patent practitioners, especially for his pharmaceutical work. Rachel Mumby and Adrian Chew are both excellent.” Legal 500 2026

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