LAWYER PROFILE
Patrick Harrison

Patrick Harrison

Global 2026

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Sidley Austin LLP
 Sidley Austin LLP

Ranked in 1 practice area

Competition Law

UK

4 years ranked

About

Provided by Sidley Austin LLP

Global

Practice Areas

PATRICK HARRISON advises on all aspects of EU and UK competition law. Patrick spent four years in Brussels before relocating to Sidley’s London office in 2007 and is admitted both as a Solicitor in England and Wales and as an Advocaat in Belgium. He has significant experience representing clients before the European Commission and the UK’s Competition and Markets Authority (CMA).

Patrick focuses his practice on merger control, cartel and dominance investigations, counselling and compliance. He has also represented clients in EU and UK judicial review proceedings regarding both competition cases and legislation of broader application. In this context, he has pleaded a number of cases before the EU Courts.

Chambers Review

Provided by Chambers

Chambers Global Guide

Competition Law - UK

Band 5
Individual Editorial

Patrick Harrison has particular experience advising clients on foreign direct investment filings before the CMA. He offers additional experience acting on CMA merger reviews.

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Strengths

Provided by Chambers

  • He has very good business understanding, explains concepts well and is quick to understand our business.

    Competition LawChambers Global Guide

  • Patrick Harrison is an excellent partner for UK competition matters.

    Competition LawChambers Global Guide

  • He is our go-to resource for any complex competition questions.

    Competition LawChambers Global Guide

  • Whenever there is a messy competition matter, he's the guru we rely on.

    Competition LawChambers Global Guide

  • Patrick Harrison is a very commercially-minded regulatory advisor and is extremely creative in his problem solving, for what are fairly complex and novel legal queries.

    Competition LawChambers Global Guide

Ranked Individuals at Sidley Austin LLP (161)

Asia-Pacific Region

Australia

Belgium

China

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