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Hendersons - Barristers' Chambers

Technology & Construction

"Well regarded for their work handling some of the biggest technology disputes."

Henderson Chambers is widely recognised as one of the leading sets in IT and construction law. Chambers UK 2025 notes that “Henderson Chambers is an established name for IT litigation” with “expertise that allows them to take on novel mandates”.

Our case work includes software defects, artificial intelligence, cybersecurity, cryptocurrencies, connected and autonomous vehicles, fintech, complex contractual issues and failure of large IT projects. Clients include government departments, national agencies, local authorities, the emergency services, financial institutions, companies in the private sector and hardware and software suppliers. Members regularly appear before the TCC, in arbitrations, and in courts at all levels.

Henderson Chambers is consistently at the forefront of technology law including obtaining the first injunction served by Twitter, the first injunction to prevent the use of an illegal BitTorrent, cases concerning Initial Coin Offerings of crypto-tokens, and matters concerning autonomous vehicles. This is a long established tradition, with members of chambers having acted in St Albans’ DC v ICL, the first case to establish a distinct body of law relating to software, which remains the leading authority on software defects.

Members of chambers acted for the 555 sub-postmasters in the landmark Post Office litigation, establishing that the Horizon software had bugs and errors, and was not robust. Members also act (on both the claimant and defendant sides) in the massive emissions litigation concerning alleged ‘defeat device’ software in vehicles, involving  complex software and vehicle technical engineering issues.


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We also have substantial experience in a range of construction and property damage disputes and related professional negligence claims. This includes matters arising out of fires, structural failures, explosions, water damage, ground movement and subsidence. The team has particular expertise in large multi-party claims, group actions and mass tort claims arising out of major incidents. It is particularly well known for its work in relation to construction products, with several members having acted on Grenfell and related matters.

A particular strength of the set is its ability to use well-known expertise in related areas such as procurement, product liability, consumer law, and class actions, to offer clients comprehensive, multi-specialism advice.

As well by word of mouth, chambers generates a substantial volume of instructions from members’ publications in the area, which include authoring or contributing to ‘An Introduction to Technology Law’ (Lexis Nexis, 2018); ‘The Law and Autonomous Vehicles’ (Routledge, 2019); ‘The Law of Artificial Intelligence’ (Sweet & Maxwell, 2020; 2024) and ‘The History of the Technology and Construction Court on its 150th Anniversary’ (Hart, 2023).

Henderson Chambers is listed as a leading set for Information Technology in the Chambers UK Bar Guide for 2026.

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Technology & Construction Barristers


Richard Mawrey KC
Call: 1964 Silk: 1986

Peter Susman KC
Call: 1966 Silk: 1997

Lawrence West KC
Call: 1979 Silk: 2003

Patrick Green KC
Call: 1990 Silk: 2012

Geraint Webb KC
Call: 1995 Silk: 2013

Oliver Campbell KC
Call: 1992 Silk: 2014

Malcolm Sheehan KC
Call: 1993 Silk: 2015

Toby Riley-Smith KC
Call: 1995 Silk: 2016

Kathleen Donnelly KC
Call: 2005 Silk: 2023

Kenneth Hamer
Call: 1975

Jonathan Steinert
Call: 1986

James Purnell
Call: 2002

Thomas Evans
Call: 2008

Lucy McCormick
Call: 2008

Thomas Samuels
Call: 2009

Hannah Curtain
Call: 2010

George Mallet
Call: 2012

James White
Call: 2014

Celia Oldham
Call: 2015

Harrison Denner
Call: 2016

Freya Foster
Call: 2017

Thomas Mallon
Call: 2019

William Moody
Call: 2020

Weishi Yang
Call: 2021

Kate Gardiner
Call: 2022

Vishnu Patel
Call: 2021

Benn Sheridan
Call: 2022

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