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.
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
News & insights

Publications: 12 JANUARY 2021
Antitrust and Brexit – where do we stand?
The end of the Brexit transition period at 11pm on 31 December 2020 gives rise to significant changes to the application of antitrust and merger control rules in the UK.
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Publications: 17 DECEMBER 2020
On 15 December the European Commission (EC) published its draft Digital Markets Act (DMA), which will introduce broad reforms to the application of EU competition law to ‘gatekeepers’ in the digital…
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Publications: 11 DECEMBER 2020
Covid–19 coronavirus: global merger review (updated 11 December 2020)
Merger review processes are being impacted worldwide as merger control authorities adapt to take account of the consequences of Covid-19 coronavirus.
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Publications: 11 DECEMBER 2020
Certain regulators are making changes to their foreign direct investment regimes in response to Covid-19 coronavirus.
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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