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.

Cases

Current and recent highlights include:

• Trucks – Asda: acting for a group of leading UK retailers (Asda, Sainsbury’s, John Lewis, Wilko, Iceland and Currys) as claimants in the Trucks damages litigation (led by Jon Turner KC, Anneli Howard KC and Ciar McAndrew).
• Trains – Gutmann: acting for SWR, a defendant in the collective proceedings Trains litigation (led by Tim Ward KC and James Bourke).
• RoRo – McLaren: acting for the WWL defendants in the collective proceedings RoRo litigation (led by Josh Holmes KC and Michael Armitage).
• Advising (as sole counsel) the Office of Road and Rail in relation to the feasibility of a proposed enforcement action.

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

• Churchill Gowns Limited & Another v Ede & Ravenscroft Limited & Others [2022] CAT 34: standalone claim arising out of alleged infringements of competition law in the market for the supply of academic dress.
• Achilles Information Limited v Network Rail Infrastructure Limited [2022] CAT 9: damages claim (in a quantum trial) arising out of the defendant’s established breach of the Chapter I prohibition.
• Gemalto v Infineon and Renesas: 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.
• JJH Enterprises (trading as ValueLicensing) v Microsoft: standalone claim arising out of alleged infringements of competition law in the market for second-hand software.
• Cabo Concepts Limited v MGA Entertainment (UK) Limited: standalone claim arising out of alleged breaches of the Chapter II prohibition by one of the world’s largest toy companies.
• Volkswagen AG v MOL (Europe Africa) Limited & Others: follow-on damages claim arising out of the Roll-on/Roll-off shipping cartel.
• Stellantis NV (formerly Fiat Chrysler Automobiles NV) & Others v NTN Corporation & Others: follow-on damages claim arising out of the automotive bearings cartel.
• Justin Le Patourel v BT Group PLC: standalone claim in collective proceedings against BT for unfair pricing of standalone/unbundled land-line services.
• Various matters on an advisory basis, including advising a global sporting organisation on prospective claims it faced under competition law.

Given her prior experience as an investment banker, Jenn is particularly comfortable working with complex financial and economic matters. At Morgan Stanley, she worked on a range of high-profile deals including the Ontario Teachers’ Pension Plan’s sale of Helly Hansen to Canadian Tire for CAD $1 Bn and Reckitt Benckiser’s sale of French’s Mustard and Frank’s Red Hot to McCormick for USD $4.2 Bn.

Jenn accepts instructions in all areas of public law, both as sole and junior counsel. She is a member of the UK Attorney General’s Junior Junior Scheme, HRLA and ALBA.

Cases

Current and recent highlights include:

• Acting for a former Afghan interpreter who worked alongside British armed forces in relation to his application to relocate to the UK.
• Acting for an unaccompanied child asylum-seeker in an age dispute.
• 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).

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

• R (ZK) v London Borough of Hackney: an unaccompanied child asylum seeker’s challenge to the defendant’s ‘age assessment’ which found that child to be over 18 years old.
• R (Jagtar Singh Johal) v Foreign, Commonwealth and Development Office 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 (C15b) v Secretary of State for the Home Department: 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.
• R (the3million and Open Rights Group) v Secretary of State for the Home Department and Another: challenge to the lawfulness of the immigration exemption contained in the Data Protection Act 2018, which provides for an exemption from the majority of fundamental data protection rights conferred by the UK GDPR where compliance with those rights is said to prejudice ‘effective immigration control’.
• R (Kellogg Marketing and Sales Company (UK) & Another) v Secretary of State for Health and Social Care [2022] EWHC 1710 (Admin): defence against Kellogg’s challenge to the Food (Promotion and Placement) Regulations 2021.
• R (KMO) v Commissioner of Police of the Metropolis: challenge to the lawfulness of the commissioner’s refusal to remove an allegedly illegitimate warning signal from the claimant’s PNC record.
• Various matters on an advisory basis, including:
  • 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.
  • Advising both private bodies and non-departmental public bodies on potential grounds to challenge government regulations and guidance.

Before joining Monckton, Jenn volunteered at Advocate (the Bar’s official pro bono charity).

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

Cases

Current and recent highlights include:

• Acting for the ICO in relation to an alleged series of data breaches by an international social media platform (led by Timothy Pitt-Payne KC and Nikolaus Grubeck).
• Acting for a group of property search companies as claimants in litigation concerning whether certain information requested from water and sewerage companies constitutes “environmental information” under the EIR 2004 (led by Gerry Facenna KC, Gregory Banner KC and Narinder Jhittay).
• 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.

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

• R (the3million and Open Rights Group) v Secretary of State for the Home Department and Another: challenge to the lawfulness of the immigration exemption contained in the Data Protection Act 2018, which provides for an exemption from the majority of fundamental data protection rights conferred by the UK GDPR where compliance with those rights is said to prejudice ‘effective immigration control’.
• R (KMO) v Commissioner of Police of the Metropolis: challenge to the lawfulness of the commissioner’s refusal to remove an allegedly illegitimate warning signal from the claimant’s PNC record.
• Sheldon De’Nero Cooper and Others v Home Office: claim concerning breaches of the claimants’ data protection rights in the context of identity fraud.
• Child Abuse Imagery Database: various advices concerning the lawful transfer, for law enforcement purposes, of indecent images of children and associated data and metadata.
• Various other matters on an advisory basis, including prospective private claims under the DPA 2018, UK GDPR and common law.

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 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 LLP: dispute concerning the construction of a force majeure clause in an agreement between a rugby organisation and a sports media broadcaster.
• Advising a global sporting organisation on prospective claims it faced under competition law.

Given Jenn’s global upbringing (born in New York, raised in Hong Kong and Canada and of Korean-Canadian ethnicity), she is particularly interested in cases with an international or international relations element.

Cases

Recent work with an international or international relations element includes advising an intergovernmental organisation on the compatibility of certain of its endeavours with competition law, public procurement law and international trade law (led by Michael Bowsher KC).

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

• R (Jagtar Singh Johal) v Foreign, Commonwealth and Development Office 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 (C15b) v Secretary of State for the Home Department: 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.
• R (the3million and Open Rights Group) v Secretary of State for the Home Department and Another: challenge to the lawfulness of the immigration exemption contained in the Data Protection Act 2018, which provides for an exemption from the majority of fundamental data protection rights conferred by the UK GDPR where compliance with those rights is said to prejudice ‘effective immigration control’.

Current and recent highlights include acting as junior counsel 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).

Cases

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

• J T Kelly and Another v B E Baker and Another [2022] EWHC 1879 (Comm): dispute involving allegations of breach of fiduciary duty and fraud following a management buyout.
• European Professional Club Rugby v RDA Television LLP: dispute concerning the construction of a force majeure clause in an agreement between a rugby organisation and a sports media broadcaster.

Education

• Bar Course, Inns of Court College of Advocacy (ranked 1st in the year in Criminal Litigation and 2nd 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