“The quality of her oral submissions is fantastic”, “Excellent on her feet”
Marie Demetriou QC has a broad practice specialising in competition law, EU law, public law and human rights. She is highly ranked in all of these areas by the legal directories and is regularly nominated for legal awards. In 2018, Marie was shortlisted as the Lawyer’s Barrister of the Year and in 2016, Marie was awarded EU and Competition Law Silk of the Year by Legal 500, which in addition nominated her as Public Law Silk of the Year. Marie was also one of three nominees for Chambers & Partners Competition Law Silk of the Year. In 2015, Marie was appointed Standing Counsel to the Competition and Markets Authority, a position she continues to hold, representing the CMA in its major litigation in the courts.Marie has been Chair of the Bar European Group between 2016-2018.
Marie Demetriou QC has a broad practice specialising in competition law, EU law, public law and human rights. She is highly ranked in all of these areas by the legal directories and is regularly nominated for legal awards. In 2018, Marie was shortlisted as the Lawyer’s Barrister of the Year and in 2016, Marie was awarded EU and Competition Law Silk of the Year by Legal 500, which in addition nominated her as Public Law Silk of the Year. Marie was also one of three nominees for Chambers & Partners Competition Law Silk of the Year. In 2015, Marie was appointed Standing Counsel to the Competition and Markets Authority, a position she continues to hold, representing the CMA in its major litigation in the courts.Marie has been Chair of the Bar European Group between 2016-2018.
Marie’s current case-load includes acting for CMA in appeals in the CAT, acting for a variety of commercial clients in large-scale competition damages claims, as well as representing private clients, public bodies and NGOs in public law and EU-related litigation before both the English and European Courts. Some current and recent highlights of Marie’s practice are:
Marie has been Standing Counsel to the Competition and Markets Authority since 2015. She is instructed in many of the leading competition cases, both in the CAT and in the High Court. As well as acting for the CMA in its litigation (including the ‘pay for delay’ appeals, Eurotunnel/SeaFrance in the Supreme Court and Ping v CMA), she has acted in a large number of competition damages claims (including those arising from the decisions in Trucks, FX, Gas Insulated Switchgear, Power Cables, Ball Bearings, Cathode Ray Tubes, Mobile Phone Batteries) as well as in stand-alone competition actions and FRAND claims (Marie is currently acting for Apple in its claim against Qualcomm). In 2016, Marie was awarded Competition Law Silk of the Year by Legal 500. In 2017 Marie delivered the annual David Vaughan QC lecture on antitrust litigation.
Notable cases include:
Marie has acted in many high-profile and diverse EU law cases before the English and European Courts, including acting in challenges to the 2nd Tobacco Products Directive and the UK plain packaging legislation; the Micula ligitation raising the interrelationship between ICSIC arbitration awards and EU law; aviation cases (Monarch Airlines, Tui Travel and IATA); a range of pharmaceutical cases (including PTC Therapeutics, pay for delay litigation, GMP-Orphan in relation to orphan drugs); asylum and human rights claims (NS, El Kott) and sanctions cases (PMOI, Bank Saderat). Marie was a référendaire to Judge Edward at the ECJ, Chair of the Bar European Group between 2016-2018; Visiting Fellow at the Centre for European Law, King’s College, London and a Trustee of the Slynn Foundation. Notable cases include:
Marie is recommended in the principal directories as a leading advocate in public law and human rights. Prior to taking Silk she was a member of the Attorney General’s ‘A’ Panel of Counsel. She acts for both claimant, defendants and NGOs in public claw and human rights cases before the English Courts, the EU Courts and the European Court of Human Rights. Recent highlights include successfully representing Monarch Airlines in the Court of Appeal in relation to its right to landing slots, and successfully challenging the Government’s policy of deporting EEA nationals found sleeping rough.
Notable cases include:
BA, BCL (1st Class) (Oxon)
