Jenn acts across the spectrum of Chambers’ competition litigation work, which includes both standalone and follow-on claims, both bringing and defending damages actions and collective proceedings. She also has experience acting in regulatory cases.

Given her prior experience as an investment banker, Jenn is particularly comfortable working with complex financial and economic matters.

Cases

Current and recent highlights include:

• Vodafone: acting for Vodafone in the £3.2 billion ‘loyalty penalties’ class action (led by Rob Williams KC and David Bailey).
• Running shoes: in a fast-track procedure, defending Deckers (a footwear company owning inter alia the Hoka and UGG brands) against a standalone claim brought by retailer Up and Running arising out of alleged infringements of the Chapter I prohibition (led by Alison Berridge).
• Google: acting for Google in the £7 billion ‘mobile search’ class action (led by Meredith Pickford KC, Josh Holmes KC, Narinder Jhittay, David Gregory and Max Shaefer).
• RoRo: acting for the WWL defendants in the RoRo shipping cartel class action (led by Josh Holmes KC and Laura John).
• Trains: acting for South Western Railway, a defendant in the ‘boundary fares’ class action (led by Tim Ward KC and James Bourke).
• Heathrow – price control: acting for Heathrow in its appeal against the Civil Aviation Authority’s decision to modify the price control terms of Heathrow’s economic licence (led by Daniel Beard KC, Josh Holmes KC, Philip Woolfe and Stefan Kuppen).
• Trucks: acting for a group of leading UK retailers (Asda, Sainsbury’s, John Lewis, Wilko, Iceland and Currys) as claimants in the Trucks cartel damages litigation (led by Jon Turner KC, Anneli Howard KC and Ciar McAndrew).
• ORR advice: Advising the Office of Road and Rail in relation to the feasibility of a proposed enforcement action (as sole counsel).

During pupillage, Jenn assisted on a wide range of competition matters, including:

• Justin Le Patourel v BT Group: standalone claim in collective proceedings against BT for unfair pricing of standalone/unbundled land-line services.
• Value Licensing v Microsoft: standalone claim arising out of alleged infringements of competition law in the market for second-hand software.
• Gemalto and Others v Infineon and Another [2022] EWCA Civ 782: follow-on damages claim concerning the landmark question of whether limitation can, in principle, run from a Statement of Objections released by the EU Commission.
• Churchill Gowns v Ede & Ravenscroft [2022] CAT 34: standalone claim arising out of alleged infringements of competition law in the market for the supply of academic dress.
• Achilles v Network Rail [2022] CAT 9: damages claim (in a quantum trial) arising out of the defendant’s established breach of the Chapter I prohibition.
• Cabo Concepts v MGA Entertainment: standalone claim arising out of alleged breaches of the Chapter II prohibition by one of the world’s largest toy companies.
• Volkswagen v MOL and Others: follow-on damages claim arising out of the shipping cartel.
• Stellantis v NTN: follow-on damages claim arising out of the automotive bearings cartel.
• Sports advice: Various matters on an advisory basis, including advising a global sporting organisation on prospective claims it faced under competition law.

Jenn accepts instructions in all areas of public law and human rights (including ECtHR work), both as sole and junior counsel. She is a member of the UK Attorney General’s Junior Junior Scheme, the Administrative Law Bar Association and the Bar Human Rights Committee, and sits on the executive committee of the Human Rights Lawyers Association.

Cases

Current and recent highlights include:

• Afghan interpreters: Acting for a number of Afghan former interpreters for the British armed forces in relation to their applications to relocate to the UK following the fall of Kabul (as sole counsel or led by Nikolaus Grubeck).
• Afghan consultants: Acting for an Afghan former employee at a leading UK consultancy in relation to his application to relocate to the UK following the fall of Kabul (as sole counsel).
• R (BH) v LB Newham: Acting for an asylum-seeker from Iranian Kurdistan in an age dispute case (as sole counsel).
• R (Islam and Another) v LB Haringey [2022] EWHC 3933 (Admin): Acting for the claimants in a dispute concerning whether a local authority had erred in its decision that they were not eligible to be placed on Band A of the housing register (as sole counsel).
• Bolt: Acting for the ride-hailing service Bolt in judicial review proceedings brought against HMRC (led by Valentina Sloane KC).
• Morrisons: Acting for the supermarket chain Morrisons in judicial review proceedings brought against HMRC (led by Valentina Sloane KC).

During pupillage, Jenn assisted on a wide range of matters concerning public law and human rights, including:

• R (the3million and Open Rights Group) v SSHD and Another [2023] EWHC 713 (Admin): successful challenge to the lawfulness of statutory restrictions on data protection rights enacted by the UK government in the context of ‘effective immigration control’.
• R (Jagtar Singh Johal) v FCDO and Others: claim brought on the ground that unlawful intelligence sharing by UK intelligence agencies (MI6 and/or MI5) caused or contributed to the claimant facing arbitrary detention, torture and death penalty proceedings in India.
• R (Kellogg and Another) v SSHSC [2022] EWHC 1710 (Admin): successful defence against Kellogg’s challenge to the Food (Promotion and Placement) Regulations 2021.
• Statelessness challenge: challenge to the lawfulness of the Home Office’s refusal to recognise the British citizenship of a young child detained in Syria on the basis that she was born after a (now withdrawn) deprivation order that was made in respect of her mother.
• PNC records challenge: challenge to the lawfulness of the commissioner’s refusal to remove an allegedly illegitimate warning signal from the claimant’s PNC record.
• Age dispute: challenge to a local authority’s age assessment which found an unaccompanied child asylum seeker to be over 18 years old.
• Enforcement of an ECtHR award: Advising a private individual on how he might challenge an assertion made by the Liechtenstein government that it had complied with its obligations pursuant to a judgment of the ECtHR.
• Commercial judicial review advices: Advising both private bodies and non-departmental public bodies on potential grounds to challenge government regulations and guidance.

Jenn accepts instructions in all areas of data protection and privacy law, both as sole and junior counsel, including matters concerning the DPA 1998, DPA 2018, (UK) GDPR, FOIA 2000 and EIR 2004.

Cases

Current and recent highlights include:

• Stephen Beck and Others v Police Federation of England and Wales: Acting for over 13,000 police officers in a claim against the Police Federation for loss of control of their personal data, including their home address data (led by Gerry Facenna KC and Eric Metcalfe).
• Surrey Searches and Others v Northumbrian Water and Others: Acting for 90+ claimants in a c.£150 million restitution claim against the water companies of England and Wales due to their alleged failure to comply with their obligations under the EIR 2004 (led by Gerry Facenna KC and Narinder Jhittay).
• ICO v TikTok: Acting for the ICO in relation to a £12.7 million fine imposed on TikTok for breaches of data protection law, including failing to use children’s personal data lawfully (led by Gerry Facenna KC, Robin Hopkins, Nikolaus Grubeck, Daisy Mackersie, Jamie Susskind and Alexandra Littlewood).
• Advice on quantum: Advising two children as to the appropriate value of a settlement (agreed with the local council on their behalf following a series of data breaches) prior to an infant approval hearing (as sole counsel).

During pupillage, Jenn assisted on a wide range of data protection and information matters, including:

• R (the3million and Open Rights Group) v SSHD and Another [2023] EWHC 713 (Admin): successful challenge to the lawfulness of statutory restrictions on data protection rights enacted by the UK government in the context of ‘effective immigration control’.
• PNC records challenge: challenge to the lawfulness of the commissioner’s refusal to remove an allegedly illegitimate warning signal from the claimant’s PNC record.
• Claim in the context of identity fraud: claim concerning breaches of the claimants’ data protection rights in the context of identity fraud.
• Advice to the Child Abuse Imagery Database: advice concerning the lawful international transfer, for law enforcement purposes, of indecent images of children and associated data and metadata.

Jenn has experience in the foundations of public international law and is particularly interested in cases with an international law or international relations element.

Cases

Recent such work includes:

• Space law advice: Advising an intergovernmental organisation (on a number of occasions) on the immunity of international organisations as well as the compatibility of certain of its endeavours with international trade, competition, state aid and public procurement law (led by Michael Bowsher KC).
• Afghan interpreters: Acting for an Afghan former interpreter for the British armed forces in relation to his application to relocate to the UK following the fall of Kabul (led by Nikolaus Grubeck).
• Afghan consultants: Acting for an Afghan former employee at a leading UK consultancy in relation to his application to relocate to the UK following the fall of Kabul (as sole counsel).

During pupillage, Jenn assisted on a range of matters with an international law or international relations element, including:

• R (the3million and Open Rights Group) v SSHD and Another [2023] EWHC 713 (Admin): successful challenge to the lawfulness of statutory restrictions on data protection rights enacted by the UK government in the context of ‘effective immigration control’.
• R (Jagtar Singh Johal) v FCDO and Others: claim brought on the ground that unlawful intelligence sharing by UK intelligence agencies (MI6 and/or MI5) caused or contributed to the claimant facing arbitrary detention, torture and death penalty proceedings in India.
• Statelessness challenge: challenge to the lawfulness of the Home Office’s refusal to recognise the British citizenship of a young child detained in Syria on the basis that she was born after a (now withdrawn) deprivation order that was made in respect of her mother.
• Enforcement of an ECtHR award: Advising a private individual on how he might challenge an assertion made by the Liechtenstein government that it had complied with its obligations pursuant to a judgment of the ECtHR.
• Advice to the Child Abuse Imagery Database: advice concerning the lawful international transfer, for law enforcement purposes, of indecent images of children and associated data and metadata.

Jenn accepts instructions in all areas of sports law. She has a particular interest in matters concerning sport given that, outside of her practice, she plays ice hockey for the Streatham Storm in the top division of the Women’s National Ice Hockey League.

Cases

Current and recent highlights include:

• Sports arbitration: acting for the English Football League in relation to an arbitration under the EFL Rules (led by Paul Harris KC and Ruth Kennedy).

During pupillage, Jenn assisted on a range of sport matters, including:

• European Professional Club Rugby v RDA Television [2022] EWHC 50 (Comm): dispute concerning the construction of a force majeure clause in an agreement between a rugby organisation and a sports media broadcaster.
• Competition advice: Advising a global sporting organisation on prospective claims it faced under competition law.

Cases

Current and recent highlights include:

• Bolt v HMRC [2023] UKFTT 01043 (TC): Acting for Bolt in a successful appeal against HMRC regarding the VAT treatment of ride-hailing services (led by Valentina Sloane KC).
• Morrisons: Acting for Morrisons in an appeal against HMRC regarding the VAT treatment of ‘cool-down rotisserie chickens’ (led by Valentina Sloane KC).
• Tax judicial reviews: Acting for the ride-hailing service Bolt and the supermarket chain Morrisons in two separate judicial review proceedings brought against HMRC (led by Valentina Sloane KC).

Education

• Bar Course, Inns of Court College of Advocacy (ranked 1^st in the year in Criminal Litigation and 2^nd in the year in Civil Litigation)
• GDL, City Law School (Distinction)
• MPhil in Ancient Greek and Roman History, Corpus Christi College, University of Oxford (Distinction)
• BA in Classics, Yale University (First Equivalent and Distinction in the Classics Major)

Scholarships and prizes

• John and Sophie Laws Scholarship, Bar European Group (2022)
• Lord Mansfield Scholarship, Lincoln’s Inn (2020)
• Winner of the Maitland Advocacy Prize Moot (2019)
• Lord Bowen Scholarship, Lincoln’s Inn (2019)
• GDL Scholarship, City Law School (2019)
• Various academic prizes at school, undergraduate and postgraduate levels

Memberships

• Administrative Law Bar Association (ALBA)
• Bar European Group (BEG)
• Bar Human Rights Committee (BHRC)
• Competition Law Association (CLA)
• Human Rights Lawyers Association (HRLA)
• Young Public Lawyers’ Group (YPLG)