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Work 020 7400 8000
Fax 020 7400 8050

Pat Treacy

Work 020 7400 8373/ +32 2 400 6232
Bristows (Services) Limited

Work Department

EU and competition


Pat is head of the EU and competition law group; she has expertise in all aspects of all UK and EC competition law and particular interest in the application of competition law to the ownership and exercise of intellectual property rights and to the application of competition law in the TMT and pharmaceutical sectors.

Pat advises on both contentious and non-contentious aspects of competition law and has represented clients in proceedings before the European Commission, Court of Justice of the European Union, the national regulators within the UK and in the English High Court.


Qualified 1986; Lovell White & King (now Hogan Lovells); Bristows partner, head of EU and competition law group 1996




British Institute of International and Comparative Law; Competition Law Association; United Kingdom Association of European Law


Girton College, Cambridge (1983)


Sport, music, travel

London: Corporate and commercial

EU and competition

Within: EU and competition

Bristows LLP is ‘excellent in all fields in competition law’ and is particularly well regarded for its expertise in the IP and TMT sectors, where it provides an ‘inventive’ and ‘highly tailored’ approach to clients including Google, Samsung, International Copyright Enterprise Services, Sony, and ZTE. Practice head Pat Treacy is recommended as ‘the go-to competition counsel in Europe for IP/innovation related matters, delivering outstanding work’. Treacy and Stephen Smith have been advising D&M on an EC investigation into resale price maintenance in the context of e-commerce in the EU, as well as assisting the client with an overhaul of its EU distribution agreements in the light of new market and legal developments and the EC’s Digital Single Market Enquiry. Sophie Lawrance is also noted for her expertise in the technology and pharmaceutical sectors and for forming an ‘outstanding team’ with Treacy.

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London: Dispute resolution

Competition litigation

Within: Leading individuals

Pat Treacy - Bristows LLP

Within: Competition litigation

Boutique IP firm Bristows LLP stands out for its 'exceptional strength' at the overlap between IP and competition law, for which the 'seriously clever' team is noted for its 'creative' approach to competition damages cases. The group is led by 'extremely knowledgeablePat Treacy, who is ably supported by Sophie Lawrance and Stephen Smith. The group continues to defend Google in a High Court action brought by Foundem following the European Commission's decision concerning the client's online search function. In another highlight, it represented Samsung in relation to the competition law aspects of a major dispute with Unwired Planet and Ericsson involving FRAND value for essential patents. Life sciences competition law expert Marie Manley departed to Sidley Austin LLP in February 2018.

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