Competition Law
UK
4 years ranked
LAWYER PROFILE
Patrick Harrison
Global 2026
Ranked in 1 practice area
About
Provided by Sidley Austin LLP
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.
Strengths
Provided by Chambers
He has very good business understanding, explains concepts well and is quick to understand our business.
Competition LawChambers Global GuidePatrick Harrison is an excellent partner for UK competition matters.
Competition LawChambers Global GuideHe is our go-to resource for any complex competition questions.
Competition LawChambers Global GuideWhenever there is a messy competition matter, he's the guru we rely on.
Competition LawChambers Global GuidePatrick 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
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