Gillian Sproul: Lawyer with Mayer Brown International LLP

Gillian Sproul

Phone+44 20 3130 3313

Peer Rating

Client Rating

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Experience & Credentials

Practice Areas

  • Antitrust & Competition
  • Chemicals
  • Construction & Engineering
  • EU Public Procurement
  • Energy
  • Sectors
  • Oil & Gas
  • Power
  • Renewable Energy
  • Media & Telecommunications
  • Services
  • Energy Disputes
  • Energy Finance
  • Energy Regulation and Government Affairs
  • Energy Transactions
  • Insurance
  • Intellectual Property
  • Litigation & Dispute Resolution
  • Technology
Contact InfoTelephone: +44 20 3130 3313
Fax: +44 20 3130 8951
EducationLL.B., Hons., First Class; M.A., Hons.; Law Society Finals (with honours)
Admitted1990, England and Wales
LanguagesEnglish; French; German

Gillian Sproul is held in extremely high regard by commentators, who commend her ability to interact in a clear and straightforward manner, backed up by substantial experience.

Chambers UK 2013

Gillian Sproul is head of antitrust and competition in London and advises clients on EU and UK competition law matters. She has represented clients in cartel and abuse of dominance cases before the EU and UK regulators and courts and has obtained EU, UK and other national clearances for numerous complex mergers and joint ventures. She has recently represented a defendant in EU cartel proceedings on an appeal to the European Court of Justice and defended a market-dominant business against proceedings by the UK competition authorities.

In addition, Gillian regularly advises clients on the impact of the EU and UK competition rules and the EU rules on state aids, relative to a broad range of business agreements, transactions and strategies.

Consistently ranked as a key individual, Gillian communicates clearly and comprehensibly to lay clients. (Chambers UK 2014). She is held in extremely high regard by commentators, who commend her ability to interact in a clear and straightforward manner, backed up by substantial experience. (Chambers UK 2013).Prior to joining Mayer Brown in 2005, she held senior appointments in two other prominent UK law firms. Gillian speaks French and German in addtion to her native English.


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Parliament Set to Bolster Private Competition Actions in the UK
Kiran S. Desai,Julian Ellison,Miles Robinson,Gillian Sproul, April 13, 2015
The United Kingdom has one of the most advanced regimes in Europe for competition litigation; however, it has not yet seen a substantial uptake of private competition actions.

EU Advocate General: No Injunction against Users of Standard Essential Patents without an Offer to License
Mark A. Prinsley,Gillian Sproul,Zsolt Vertessy, February 27, 2015
The owner of a standard essential patent (SEP) may have to make a licence offer before seeking an injunction, following the non binding opinion of the Advocate General in the Huawei/ZTE case before the EU’s top court. The Court of Justice of the European Union is set to rule on a reference...
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Office Information

Gillian Sproul

201 Bishopsgate
London EC2M 3AF

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