Zoë Butler

Partner at Powell Gilbert LLP

Zoë Butler is a partner at Powell Gilbert LLP, a specialist IP law firm based in London.

Ms Butler is an experienced IP litigator with a strong technical background and has advised clients on IP disputes across a broad range of technological areas and sectors. She is particularly known for her expertise in advising clients in complex patent disputes, including disputes with a contractual or competition law element. Recently, Ms Butler has acted for clients ranging from mobile phone, electronics and software companies to pharmaceutical and biotech companies.

Ms Butler’s cases include Unwired Planet v Huawei (patent – telecommunications); Samsung Bioepis & Biogen v Abbvie (patent – biosimilar); Good Technology v AirWatch (patent – mobility management systems); Motorola Mobility v British Telecommunications (patent – consumer electronics); Microsoft v Motorola Mobility (patent – electronics); LG Electronics v Sony (patent – Blu-ray disc); Apple v Nokia (patent – smartphones); Mölnlycke v BSN Medical (patent – wound dressing); Philips v Alba (patent – electronics); Dr Reddy’s Laboratories v Eli Lilly (patent – olanzapine); Ivax v Chugai (patent – pharmaceutical formulation); Sony Computer Entertainment v Ball (copyright – copy protection circumvention devices); Oxford Gene Technology v Affymetrix (patent and licence dispute – DNA microarrays); and Pharmacia v Merck (patent – cyclooxygenase2 inhibitors).

In addition to representing clients before the UK courts, Ms Butler has extensive experience of European Patent Office opposition proceedings and has represented clients in arbitration proceedings and mediations relating to technology contract disputes.

Ms Butler has been involved in many multi-jurisdictional disputes, working with advisers from across Europe, North America and Japan, and has often taken a role in coordinating such litigation. In 2003 Ms Butler spent six months in The Hague seconded to the IP/information and communications technology department of a leading Dutch law firm.

Ms Butler frequently lectures on IP law and is a tutor on the Oxford University diploma in IP law and practice course. She is also a contributor to the CIPA Guide to the Patents Act.

Professional associations

  • AIPPI
  • EPLAW
  • ChIPs

Firm details

Powell Gilbert LLP
85 Fleet Street
London EC4Y 1AE
United Kingdom

Contact details

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