Laura is consistently ranked as a leading junior in Competition law in the legal directories, and is co-Editor of the leading text, Bellamy & Child European Union Law of Competition (8th Ed.). She advises and represents private clients and regulators across the full spectrum of Competition law.

“She has a clear mind and spots the issues.” “She is phenomenally intelligent and a quick thinker.” – Chambers UK, 2022

“She’s unbelievably clever, delightful to work with and really, really good at drafting. She’s particularly good under pressure – she is unflappable.” – Chambers UK, 2021

“Super-clever, really practical and massively knowledgeable about the law.” – Chambers UK and Chambers Global, 2020

Cases

Laura is currently involved in:

• Kerilee Investments Ltd v International Tin Association: for the defendant in stand-alone proceedings concerning minerals sourced from central Africa.
• Asda, Argos and Morrisons v Mastercard: for the claimants in follow-on proceedings concerning multilateral interchange fees (inc. [2020] UKSC 24).
• Intas Pharmaceuticals Ltd and others v CMA: for the appellants in an appeal against the CMA’s Hydrocortisone decision.
• Welsh Ministers v Servier: for the Welsh claimants in proceedings concerning the supply of the ACE inhibitor Perindopril (inc. [2020] UKSC44; [2019] EWCA Civ 1096; [2015] EWHC 647 (Ch); [2014] EWHC 2720 (Ch)).
• Philip Morris New Zealand v British American Tobacco New Zealand: assisting the claimant in proceedings for breach of the New Zealand Commerce Act 1986

Recent work and significant cases include:

• National Grid Electricity Transmission v ABB and others: for the claimant in follow-on proceedings concerning the power cables cartel.
• Advising on the CMA’s market study into online platforms and digital advertising.
• Advising on the CMA’s investigation into alleged price fixing by Berkshire estate agents.
• Microsoft Mobile Oy v Sony Europe and others [2017] EWHC 374 (Ch): for the claimant in stand-alone proceedings concerning the supply of lithium ion batteries for mobile telephones.
• Unwired Planet International Ltd and others – v – Samsung Electronics Co Ltd and others: for Samsung in proceedings concerning FRAND licensing terms for telecommunications patents.
• National Grid Electricity Transmission–v- ABB and others: for the claimant in follow-on proceedings concerning the gas insulated switchgear cartel, which won GCR’s global ‘Litigation of the Year – Cartel Prosecution’ award (inc. [2013] EWHC 822 (Ch); [2013] EWCA 1234 (Civ))
• Welsh Ministers –v- Reckitt Benkiser: for the Welsh claimants in follow-on proceedings concerning the supply of Gaviscon.
• BCL Old Co. Ltd –v- BASF plc [2012] UKSC 45: for the claimant in the first competition case to come before the Supreme Court; concerning the date on which time begins to run for limitation purposes under section 47A Competition Act 1998, and whether it complies with the EU principles of effectiveness and legal certainty.
• Emerson Electric –v- Morgan Crucible [2012] EWCA Civ 1559: jurisdiction of the Competition Appeal Tribunal under s.47A Competition Act 1998 to hear damages claims against subsidiary companies within infringing undertakings.
• Campaign for Real Ale (‘CAMRA’) v OFT: judicial review in the Competition Appeal Tribunal of an OFT refusal to refer a super-complaint under s.11 Enterprise Act to the Competition Commission.
• National Grid v Office of Gas and Electricity Markets (OFGEM) [2010] EWCA Civ 114: for the appellant in an appeal against an abuse of dominance finding.

Laura is consistently listed as a leading junior in Information Law in the legal directories. She appears in the Court of Appeal, Upper Tribunal and First Tier Tribunal, for the Information Commissioner and for requestors, and she regularly advises on FOI/EIR/data protection issues.

“She’s so experienced and is a formidable advocate.” “She is very strong on the detail and quick to work through issues.” – Chambers UK, 2022

“Very clear about what needs to be done for a case, gently but firmly persuasive and excellent with clients.” – Legal 500, 2022

Cases

Significant cases include:

• HS2 Ltd v IC: disclosure of the cost benefit analysis for HS2
• Heathrow Airport Ltd v IC [2021] 6 WLUK 373: whether the operator of Heathrow airport is a “public authority” within the EIRs
• IC v Poplar Housing and Regeneration Community Association [2020] UKUT 182 (AAC): definition of “public authority” and the interpretation of the CJEU judgment in Fish Legal.
• Department for Transport v IC [2019] EWCA Civ 2241: severance of environmental and non-environmental information.
• Advising on the Information Commissioner’s decision to fine Uber for breaches of data protection law.
• Willow v Information Commissioner and Ministry for Justice [2017] EWCA 1876 Civ: implications of the UN Convention on the Rights of the Child for the public interest balancing under FOIA.
• Savic v IC, Attorney General, and Cabinet Office [2016] UKUT 534 (AAC) and [2016] UKUT 535 (AAC): the legal advice by the Attorney General, and other information, about the UK’s decision to participate in the NATO bombing of Kosovo.
• London Legacy Development Corporation v IC and Hunt [2016] UKFTT 2015_0023 (GRC): concerning the contract under which West Ham United Football Club has become the new ‘anchor tenant’ at the Olympic stadium.
• Webber v IC [2013] UKUT 648 (AAC): concerning the medical records of deceased persons under FOI.
• DCLG –v- the Information Commissioner and William Robinson [2012] UKUT 103 (AAC): leading authority on disclosure of legal advice under EIR.
• Birkett (on behalf of Clean Air London) -v- Defra [2011] EWCA Civ 1606: leading authority on right of public authorities to raise new exemptions, under EIR, for the first time before the First Tier Tribunal.

Laura is instructed in a range of cases raising questions of EU law. She regularly advises on EU law issues, including on making complaints to the European Commission and bringing claims in the European Courts.

“Laura is a stand-out senior junior. She quickly gets to the heart of the issue and is able to summarise complex material in a way that clients can grasp and understand. Her calm manner is also well-received by clients.” – Legal 500, 2022

Cases

Recent work and significant cases include:

• Secretary of State for Health and others v Servier Laboratories Ltd and others [2020] UKSC 44: circumstances in which findings in a General Court judgment bind the UK courts, under the EU law principle of res iudicata.
• Asda, Argos and Morrisons v Mastercard [2020] UKSC 24: requirements under EU law for establishing a breach of Article 101 TFEU.
• Information Commissioner v Poplar Housing and Regeneration Community Association [2020] UKUT 182 (AAC): definition of “public authority” in the Environmental Information Regulations 2004 / Directive 2003/4.
• Case C-304/16 R (on the application of American Express Company) v the Lords Commissioners of Her Majesty’s Treasury EU:C:2018:66: for American Express in a challenge to the extension of the price caps contained in Chapter II of EU Regulation 2015/751 on Interchange Fees for Card-Based Payment Transactions to three party card payment schemes which issue cards with co-brand partners and/or through agents.
• Case C-643/16 R (on the application of American Express Company) v the Lords Commissioners of Her Majesty’s Treasury EU:C:2018:67: for American Express in a challenge to the extension of the access obligation contained in Directive 2015/2366 on Payment Services in the Internal Market to three party card payment schemes which enter into arrangements with co-brand partners and/or agents.
• Case C-366/10 Air Transport Association of America –v- Secretary of State for Energy and Climate Change, [2011] ECR I-13755: for five Environmental Organisations in a challenge brought by the international aviation industry against their inclusion in the EU emissions trading scheme.
• BCL Old Co. Ltd v BASF plc [2012] UKSC 45: for BCL the appellant in a case concerning the compatibility of a limitation period with the EU principles of effectiveness and legal certainty.
• Cases C-259 and 260/10 Rank Group Plc –v- HMRC [2011] ECR I-10947: for HMRC in a claim for repayment of VAT paid on machines used to gamble, based on an alleged breach of the principle of fiscal neutrality.

Laura is a specialist in domestic, European and International Environmental Law. She regularly appears in access to environmental information cases (see Information Law), and has appeared in the Court of Justice of European Union. Laura is direct access qualified, and can accept instructions directly from clients. She is also willing to consider acting at reduced rates or pro bono in appropriate cases.

Before being Called to the Bar, Laura worked in DEFRA on the Animal Welfare Act 2006.

Cases

Significant cases include:

• Department for Transport v Information Commissioner [2019] EWCA Civ 2241: severance of environmental and non-environmental information.
• Information Commissioner v Poplar Housing and Regeneration Community Association [2020] UKUT 182 (AAC): definition of “public authority” under the Environmental Information Regulations / Directive 2003/4, and the interpretation of the CJEU judgment in Fish Legal.
• Case C-366/10 Air Transport Association of America –v- Secretary of State for Energy and Climate Change, [2011] ECR I-13755: for five Environmental Organisations in a challenge brought by the international aviation industry against their inclusion in the EU emissions trading scheme.
• DCLG –v- the Information Commissioner and William Robinson [2012] UKUT 103 (AAC): leading authority on disclosure of legal advice under the Environmental Information Regulations 2004.
• Birkett (on behalf of Clean Air London) -v- Defra [2011] EWCA Civ 1606: leading authority on right of public authorities to raise new exemptions, under the Environmental Information Regulations 2004, for the first time before the First Tier Tribunal.

Laura advises on a range of public law matters, particularly in the environmental context (see Environmental Law). She also frequently appears in the Court of Appeal, Upper Tribunal (Administrative Appeals Chamber) and First Tier Tribunal (General Regulatory Chamber) in access to information cases (see Information Law).

Cases

Recent work and significant cases include:

• Case C-304/16 R (on the application of American Express Company) v the Lords Commissioners of Her Majesty’s Treasury EU:C:2018:66: for American Express in a challenge to the extension of the price caps contained in Chapter II of EU Regulation 2015/751 on Interchange Fees for Card-Based Payment Transactions to three party card payment schemes which issue cards with co-brand partners and/or through agents.
• Case C-643/16 R (on the application of American Express Company) v the Lords Commissioners of Her Majesty’s Treasury EU:C:2018:67: for American Express in a challenge to the extension of the access obligation contained in Directive 2015/2366 on Payment Services in the Internal Market to three party card payment schemes which enter into arrangements with co-brand partners and/or agents.
• United Utilities v Manchester Ship Canal Company and others [2014] UKSC 40: for the Middle Level Commissioners, intervening, in an appeal concerning the rights of statutory sewerage undertakers to discharge in private watercourses.
• Successful challenge to the British Board of Film Classification (‘BBFC’) refusal to classify the film “the Human Centipede II (Full Sequence)”. The film was granted an 18 certificate in the UK after the BBFC agreed to a number of cuts, reversing its original decision to refuse classification of the controversial horror film on the grounds of sexual violence and graphic gore.

Competition Law: “Laura is a very safe pair of hands and has an encyclopaedic level of knowledge.” “She has excellent instincts and her advice is commercial, insightful and straight to the point.” – Chambers UK and Chambers Global, 2025

Data Protection: “Laura really knows her stuff and is an absolute pleasure to work with.” – Chambers UK, 2025

Leading junior in Competition – Legal 500, 2025

Leading junior in Data protection – Legal 500, 2025

Recommended in Competition, Who’s Who Legal UK Bar 2025

Competition Law: “Laura John is extremely astute, knows her stuff and is pragmatic, straight to the point and a pleasure to work with.” “Laura is fantastic; she is very smart, analytical, and a very polished advocate.” “Laura has a fierce intellect and a compelling advocacy style.” – Chambers UK, 2024

Ranked in Data Protection – Chambers UK, 2024

Leading junior in Competition: “Laura is very impressive; calm, assured and knows the subject matter inside-out. Her strategic thinking is top tier and the clients have complete confidence in her.” – Legal 500, 2024

Leading junior in Data protection – Legal 500, 2024

Competition Law: “She is incredibly smart; she delves into the issues and gets her head around very complex problems and thinks about them through different lenses.” – Chambers UK and Chambers Global, 2023

Data Protection: “Laura Elizabeth John is brilliant and always a pleasure to work with.”- Chambers UK, 2023

Leading junior in Competition – Legal 500, 2023

Leading junior in Data protection: “Excellent, effective advocate. Very good at presenting complex issues in a clear way. Always a pleasure to work with.” – Legal 500, 2023

Leading Junior in EU Law – Legal 500, 2023

“Laura Elizabeth John attracts substantial praise for her deep expertise in English and EU competition litigation. Her prolific track record involves representing private clients and regulators”. – Competition, Who’s Who Legal UK Bar 2022

Competition Law: “She has a clear mind and spots the issues.” “She is phenomenally intelligent and a quick thinker.” – Chambers UK and Chambers Global, 2022

Data Protection: “She’s so experienced and is a formidable advocate.” “She is very strong on the detail and quick to work through issues.”- Chambers UK, 2022

Leading junior in Competition – Legal 500, 2022

Data protection: “Very clear about what needs to be done for a case, gently but firmly persuasive and excellent with clients.” – Legal 500, 2022

EU Law “Laura is a stand-out senior junior. She quickly gets to the heart of the issue and is able to summarise complex material in a way that clients can grasp and understand. Her calm manner is also well-received by clients.” – Legal 500, 2022

Competition Law: “She’s unbelievably clever, delightful to work with and really, really good at drafting. She’s particularly good under pressure – she is unflappable.” – Chambers UK and Chambers Global, 2021

Data Protection: “A fair, reasonable and courteous opponent who works hard and does a very good job for her clients.”- Chambers UK, 2021

Competition: ‘‘Laura is pragmatic and always on top of the detail of a case. She is a very impressive senior junior.’’ – Legal 500, 2021

Data protection: ‘‘A competent and professional advocate.’’ – Legal 500, 2021

Competition Law: “Super-clever, really practical and massively knowledgeable about the law.” “She is not afraid to challenge and push back on arguments.” – Chambers UK and Chambers Global, 2020

Data Protection: “A really good lawyer who is also very responsive.”- Chambers UK, 2020

Competition: ‘‘Her work and knowledge of competition law is outstanding.’’ – Legal 500, 2019-20

Data protection: ‘‘She is a go-to counsel for the Information Commissioner.’’ – Legal 500, 2019-20

Competition Law: “Able to get up to speed very quickly,” and “a good sounding board for silks.” – Chambers UK and Chambers Global, 2019

Data Protection: “Laura is good at getting to grips with matters and gaining client confidence.” “Exceptionally bright and strategically aware, she’s a star in the making.”- Chambers UK, 2019

Competition Law: “She is very popular with clients, comes up with definitive answers and has a very good written style.” – Chambers UK, 2018

Data Protection: “Laura is very competent, clear and thorough.” “What’s crucial is the right advice, at the right time and for the right price, and she ticks all those boxes very well.”- Chambers UK, 2018

Competition: ‘‘A strong junior with a tremendous appetite for work and attention to detail. Her intelligence and grasp of the law are notable.’’ – Legal 500, 2018

Data protection: ‘‘She is frequently instructed by the Information Commissioner in tribunals and appeals.’’ – Legal 500, 2018

Competition Law: “She is exceptionally bright and hard-working, but also very practical and a really good team player. She has no ego and is lovely to work with.” – Chambers UK, 2017

Data Protection: “She communicates well with clients and is an excellent advocate.” “She is extremely able and can spin on a sixpence. She gets the right tone before the ICO.” – Chambers UK, 2017

Competition: ‘‘Extremely able and collaborative.’’ – Legal 500, 2017

Data protection: ‘‘A thorough and detailed advocate.’’ – Legal 500, 2017

Competition Law: “A star of the future, no doubt.” “She is excellent and very user-friendly.” – Chambers UK, 2016

Data Protection: “She is exceptionally good – she’s succinct and could really go far.” “She was very professional and did everything well.” – Chambers UK, 2016

Data Protection: “A very good head for detail and a calm advocate.’’ – Legal 500, 2016 

Competition Law: “An excellent lawyer who is very poised in court.” “Extremely hard-working, she puts in unsociable hours to get the job done.” – Chambers UK, 2015

Data Protection: “She has made big strides in the data protection area, and is particularly strong in the environmental field.” – Chambers UK, 2015

Data Protection: “Highly regarded.” – Legal 500, 2015

Competition Law: “Very bright and enthusiastic,” she has “very good tactical judgement, strong case management skills and powerful drafting abilities.”  – Chambers UK, 2014

Data Protection: “Laura is hard-working and possesses good knowledge of the law. She is also enthusiastic and gives me confidence that the job will be done properly.” “She is analytical in her style and is not afraid to throw out questions. She has a real grasp of environmental law in particular.”  – Chambers UK, 2014

Data Protection: “‘a very able barrister whose combination of legal expertise, clarity of mind and understanding of the commercial objectives proves invaluable’.”  – Legal 500, 2013

BCL (European and Comparative Law), Brasenose College, Oxford (2004)

BA (Hons) Jurisprudence, Brasenose College Oxford (2003)

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