Gillian Sproul

London,  England
Phone+ 44 (0) 203 349 8861

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Experience & Credentials

Practice Areas

  • Litigation
  • Antitrust Litigation & Competition
Contact InfoTelephone: + 44 (0) 203 349 8861
Fax: +44 (0) 207 900 3632
EducationBirmingham City University (Law Society Finals, with honors); St. Andrews University (M.A., Hons, French and German); Leicester University (LL.B., Hons, First Class)
Admitted1990, England and Wales
LanguagesEnglish; French; German

Gillian Sproul focuses her practice on advising clients on the impact of EU and UK competition law on their transactions, operations and business strategy. She represents clients in cartel and abuse of dominance cases, energy regulatory investigations and market inquiries before the EU and UK regulators and courts and has obtained EU, UK and other national clearances for numerous complex M&A and joint venture transactions. Her experience extends also to advising clients on competitor co-operation and information exchange, distribution and licensing and compliance.

Areas of Concentration

• Chemicals
• Construction and engineering
• Construction materials
• Energy and utilities
• Financial services
• FMCG manufacture, food and non-food
• Hotels and leisure
• Insurance
• Intellectual property
• Litigation and dispute resolution
• Antitrust litigation and competition
• Pharmaceuticals
• Retailing
• Technology, media and telecommunications

Awards & Recognition

• Listed, Chambers UK, 2006, 2008-2009, 2011-2015
• Listed, Chambers Europe, 2015
• Listed, The Legal 500, 2014-2015

Associated News & Events

Press Releases

10.30.15 Greenberg Traurig Maher Recognised in Chambers UK 2016
09.10.15 Greenberg Traurig Continues Growth of Mexico City Office, Adds Leading Antitrust and Competition Lawyer Victor Manuel Frias
09.03.15 Greenberg Traurig Maher Represents Rentokil Initial plc on its Acquisition of The Steritech Group, Inc. for US$425 Million
04.30.15 Gillian Sproul to Join Greenberg Traurig

Articles, Publications, & Lectures


• Quoted, Competition and Markets Authority in Hospital Sale Uturn, The Times, November 19, 2014
• Mentioned, How will the UK's Legal System Change if the Scots Vote Yes?, Lawyer2B, September 17, 2014
• Quoted, Healthcare Shake-Up Under Attack From All Sides, The Times, June 23, 2014
• Author, A Look At The UK's Private Health Care Market Inquiry, Law360, June 16, 2014
• Author, The CMA in Outline, Competition Law Insight, May 13, 2014
• Co-Author, Where Auto And EU Tech Transfer Agreements Collide, Law 360, April 18, 2014
• Author, A Tale of Nine Hospitals, Competition Law Insight, March 19, 2014
• Quoted, Global Update: New UK Watchdog Ready To Go On Day 1, Law360, March 18, 2014
• Quoted, City Finds Blind Spots in Miliband's Bank Plan, The Daily Telegraph, January 19, 2014
• Quoted, Private Healthcare Companies Told to Sell Off Nine Hospitals, City AM, January 17, 2014
• Quoted, A Straw Poll of City Legal Firms Reveals the Key Issues that Lawyers Will Face in 2014, The Times, January 9, 2014
• Author, Changing of the Guard, Competition Law Insight, November 12, 2013
• Mentioned, Dealmaker: Gill Sproul, Legal Week, October 18, 2013
• Quoted, Watchdog Unifying OFT with Competition, Financial Times, October 1, 2013
• Quoted, UK Antitrust Watchdog Launches With Work Left To Do, Law360, September 30, 2013
• Quoted, UK Labour's Energy Freeze Fraught with Competition Law Difficulties, Global Competition Review, September 26, 2013
• Interviewed, Labour's Energy Price Fix Could be Challenged by Courts or European Commission, ITV, September 25, 2013
• Quoted, Could European Commission Block Ed's Energy Price Freeze?, The Times, September 25, 2013
• Quoted, Centrica Labels Labour Plan as a Recipe for Ruin, City AM, September 24, 2013
• Interviewed, Interview with Gillian Sproul and Merlie Calvert, Competition Law Insight, April 16, 2013
• Co-Author, Evolution, Not Revolution? Reform of EU Technology Transfer Rules, Intellectual Property Magazine, April 1, 2013
• Quoted, UK Watchdog Flexes Criminal Muscle With Cartel Arrests, Law360, March 22, 2013
• Co-Author, Keep Watch Of French Authority's Pharma Sector Inquiry, Law360, March 20, 2013
• Co-Author, Competition Law Compliance Programs and Government Support or Indifference, Concurrences, June 2012
• Quoted, EU Court Tosses MasterCard Intercharge Fee Appeal, Law360, May 24, 2012
• Co-Author, Enforcers' Consideration of Compliance Programs in Europe, CPI Antitrust Chronicle, February 2012
• Co-Author, FRAND and the Smartphones Wars, Intellectual Property Magazine, December 31, 2011
• Author, Landlord Creditor Groups and Associated Competition Law Issues, Estates Gazette, September 17, 2011
• Author, Competition Issues, Construction News, February 3, 2011
• Author, Vitamins help the English Legal System to Win the Competition for Private Damages Actions, The Times Online, November 24, 2010
• Author, Directors and Competition Law - Inaction is No Longer an Option, Construction News, October 28, 2010
• Author, Legal Professional Privilege: In-house Lawyers Out of Luck, PLC Magazine, October 1, 2010
• Co-Author, Competition Law and Intellectual Property Rights, CLi in Brief, July 13, 2010
• Author, Competition Law and Intellectual Property Go Another Round, IP Frontline, July 7, 2010
• Co-Author, LPP and Business, Business Review Europe, June 2010
• Co-Author, EU Commission's Draft Guidelines on Assessment of Horizontal Cooperation Provide Welcome Clarification and Guidance, EuroWatch, June 14, 2010
• Author, A New Block Exemption for the Insurance Sector, Business Review Europe, May 2010
• Co-Author, Directors, Employees or Insurers - Who's Liable for Antitrust Fines?, Business Review Europe, April 1, 2010
• Author, Privilege for In-House Legal Advice- a Turning Point?, Legal Week, March 18, 2010
• Co-Author, A Significant and Overdue Repeal, Estates Gazette, February 27, 2010
• Author, International Legal Developments in Review: 2007, Europe, The International Lawyer, Vol.42, No.2, June 1, 2007


• Speaker, Dawn Raids: Relevance & Scope of Investigations, Competition Summit 2013, Brussels, Belgium, December 5-6, 2013

Reported CasesSignificant Representations: 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.; Advised a major accountancy firm on its role and obligations as monitoring and divestiture trustee in an energy case.; Defended clients in European Commission and UK cartel and abuse of dominance investigations in sectors such as energy, engineering, manufacturing, media and financial services.; Advised in coordination with U.S. lawyers on parallel cartel investigations by EU, UK and U.S. regulators, most recently in the publishing sector.; Represented clients on appeal to the General Court and Court of Justice in the EU and the Competition Appeal Tribunal in the UK, securing reductions in penalty.; Advised clients on their participation in EU and UK sector inquiries, including the EU energy, pharmaceuticals and insurance inquiries and the UK groceries, aggregates and audit inquiries, including advising on appeal to the UK Competition Appeal Tribunal against findings of the UK regulator in the aggregates inquiry.; Advised on complaints to the EU and UK competition regulators and courts against market dominant businesses and competitor collusion and co-operation.; Represented clients in investigations by the UK sectoral regulators into breaches of licence and of sector regulation.; The above representations were handled by Ms. Sproul prior to her joining Greenberg Traurig Maher LLP.

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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

200 Gray's Inn Road, 7th Floor

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