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Hendersons - Barristers' Chambers

Group Actions

EU & Competition LawOver the past 20 years members of Henderson Chambers have been instructed in most of the leading group actions issued in the English courts. Henderson Chambers has been at the forefront of the development of the law and practice in relation to group litigation orders and group actions, as well as representative actions and other collective redress actions.


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The group actions that members of Chambers have acted in cover a wide range of different types of claim, including: product liability claims; environmental and pollutions claims; group actions arising out of large accidents and disasters; group actions brought by foreign nationals against UK registered companies; collective competition claims; group actions brought by consumers and under the Consumer Credit Act; data protection actions; group actions in respect of industrial disease litigation; employees claiming wrongful dismissal due to defective technology relied upon by the employer; group actions in respect of historic physical, sexual and financial abuse and group actions arising out of the mis-selling of financial and other products. Members of Chambers have become expert in advising in relation to the obtaining of group litigation orders, the structure and management of group actions, and in relation to the funding of group actions.

Several members of Chambers are engaged in writing the second edition of Multi-Party Actions, edited by Prof C. Hodges and Geraint Webb QC.

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Representative cases

grid list
  • AAA & Others v Unilever PLC [2018] EWCA Civ 1532

    AAA & Others v Unilever PLC 

    Jurisdiction decision, the Court of Appeal (Lady Justice Gloster, Lord Justice Sales and Lord Justice Newey) has decided that Unilever’s Kenyan subsidiary should not face claims in England and Wales based on injuries suffered by visitors to and on its tea plantation in Kenya (arising out of Post- Election Violence, at the hands of third parties, in 2007.)

  • VW NOx Diesel Emissions litigation

    Group action arising from noxious car emissions

  • The Post Office Group Litigation (TCC)

    One of The Lawyer’s Top 20 Cases, Civil Litigation Brief ‘case of the year’ 2019

    Representing over 500 current and former postmasters in a widely publicised Group Action against Post Office to recover business losses said to result from failures in Post Office’s Horizon electronic point of sales (EPOS) and accounting system.  Widely reported: BBC, Daily Mail, FT and Joshua Rozenberg.

    Leading judgment ([2019] EWHC 606) on the developing field of relational contracts and duties of good faith in commercial contracts and on range of other complex contractual and agency issues.  Successful judgment following trial of IT expert issues in 2019 ([2019] EWHC 3408). Further judgment ([2019] EWHC 871) with respect to failed application by Post Office to recuse a Managing Judge in Group Litigation.

  • Google Data Breach Class Action
    Google Data Breach Class Action

    A representative action on behalf of approximately 5.4 million iPhone users issued against Google November 2017.

  • DePuy Pinnacle Metal on Metal hip litigation [2018] EWHC 1208 (QB)

    DePuy Pinnacle Metal on Metal hip litigation

    In a decision that will be very influential for other metal on metal claims, on 21 May 2018 judgment was given in favour of the defendant DePuy International Limited on preliminary issues in the DePuy Pinnacle Metal on Metal group litigation.

  • Ocensa Pipeline Group Litigation [2016] EWHC 1699 (TCC)

    Ocensa Pipeline Group Litigation

    Colombian Farmers / OCENSA Pipeline litigation: Defending oil pipe nuisance, environmental and property damage claim in Colombia.

    Following a 4 ½ month Trial in the TCC, the defence was successful and all of the Lead Cases were dismissed.

Group Actions Barristers


Charles Gibson QC
Call: 1984 Silk: 2001

Lawrence West QC
Call: 1979 Silk: 2003

Prashant Popat QC
Call: 1992 Silk: 2008

Professor Sir Alan Dashwood QC
Call: 1969 Silk: 2010

Patrick Green QC
Call: 1990 Silk: 2012

Geraint Webb QC
Call: 1995 Silk: 2013

Oliver Campbell QC
Call: 1992 Silk: 2014

Malcolm Sheehan QC
Call: 1993 Silk: 2015

Toby Riley-Smith QC
Call: 1995 Silk: 2016

Andrew Kinnier QC
Call: 1996 Silk: 2018

Henry Warwick QC
Call: 2007 (Solicitor: 2000) Silk: 2020

William Hibbert
Call: 1979

Julia Smith
Call: 1988

Angus Withington
Call: 1995

Adam Heppinstall
Call: 1999

Noel Dilworth
Call: 2001

Nazeer Chowdhury
Call: 2002

Kathleen Donnelly
Call: 2005

Abigail Cohen
Call: 2005

Jonathan Lewis
Call: 2007 (Solicitor: 2005)

Thomas Evans
Call: 2008

Lucy McCormick
Call: 2008

Elizabeth Tremayne
Call: 2009

Hannah Curtain
Call: 2010

James Williams
Call: 2010 (Solicitor: 2008)

Rachel Tandy
Call: 2010

Ognjen Miletic
Call: 2010

George Mallet
Call: 2012

Celia Oldham
Call: 2015

Reanne MacKenzie
Call: 2016

Harrison Denner
Call: 2016

Beatrice Graham
Call: 2016

Freya Foster
Call: 2017

Hazel Jackson
Call: 2017

Ben Norton
Call: 2017

Jack Castle
Call: 2018

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