Louise Tolley
PSL Counsel
London

Louise Tolley
PSL Counsel
London
Contact Details
Louise is a Professional Support Lawyer Counsel in the global antitrust group. Her responsibilities include managing the know-how resources for the global antitrust practice, providing current awareness briefings and thought leadership pieces, including our annual publication “Global trends in merger control enforcement” and our monthly newsletter commenting on key antitrust developments, “Antitrust in Focus."
Louise regularly delivers training and workshops both internally and to clients on a wide range of topics but with particular expertise in antitrust compliance and dawn raids. Louise has extensive experience of advising clients on how to comply with competition rules and managing dawn raids, as well as advising on the impact of developments in antitrust policy and regulation. She also advises clients on complex behavioural antitrust issues such as distribution arrangements and cooperation agreements between competitors, as well as abuses of dominant position.
Louise is closely involved in the group's business development initiatives and has co-developed a number of client-facing tools to assist them with their antitrust compliance activities.
Louise is currently the Assistant Editor of the Butterworth's Handbook on Competition Law (the "Purple Book") and Consultant Editor of the LexisPSL Competition online tool.
Expertise
Practices
Qualifications
Professional
Admitted as solicitor, England and Wales, 2005
Admitted as solicitor, Ireland, 2016
Academic
MA, Law, Downing College, Cambridge University, 2002
Post graduate Diploma in Competition Law Economics, 2012, King’s College London
Related articles

Publications: 23 February 2023
Surge in antitrust and FDI intervention means appropriate deal provisions are vital
As intervention by both antitrust authorities and governments shows no sign of abating, allocating execution risk in transaction documents is ever more crucial. Unsurprisingly, the number of our deals…
Publications: 23 February 2023
Evolving foreign direct investment regimes add yet more hurdles for M&A
Publications: 23 February 2023
Fast track and simplified reviews lead to quicker review periods
Publications: 23 February 2023
Gun-jumping and breaching merger remedies generate heavy sanctions

Expertise
Practices
Qualifications
Professional
Admitted as solicitor, England and Wales, 2005
Admitted as solicitor, Ireland, 2016
Academic
MA, Law, Downing College, Cambridge University, 2002
Post graduate Diploma in Competition Law Economics, 2012, King’s College London
Awards & accolades
Competition Team of the Year
Legal Business Awards 2017
Competition Team of the Year
British Legal Awards 2018
Ranked 3rd, “Global Elite” firms 2019
Global Competition Review
Published work
- The Lear Report on digital mergers: evolution not revolution? With Jessica Bowring, PLC Magazine, July 2019