Bristows LLP

Pat Treacy

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Practice Areas

Pat specialises in competition law and has been involved in landmark cases at European level. She is expert across the range of competition law, and is particularly recognised for her work on the complex legal, policy and strategy issues arising where competition law and intellectual property law intersect. Consequently, clients in high technology sectors including life sciences and TMT seek her advice regularly.

Pat represents clients before the competition authorities (including during and after dawn raids) all the way through to final decision and appeal if necessary. She also acts on the competition aspects of private litigation.

Pat advises frequently on the competition aspects of commercial agreements including licences, distribution, supply and agency contracts, standard setting arrangements and joint ventures and has substantial experience in advising how competition law affects dominant companies.

Pat teaches the competition law module on the Oxford University Postgraduate Diploma in Intellectual Property Law and Practice.

Pat was appointed Deputy High Court Judge in September 2018.

Professional Memberships

Competition Law Association

UK Association of European Lawyers

Competition Section of the Law Society


Journal of Intellectual Property Law and Practice

Competition Law Insight

The CLIP Board (