England - London Bar
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4 Pump Court

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4 Pump Court is ‘the go-to choice for any IT or technology dispute’ and operates at the forefront of technological developments, handling matters concerning cloud computing, big data, analytics, and cyber security. Nigel Tozzi KC and Matthew Lavy KC are acting for the supermarket chain in TIBCO Software (Ireland) Ltd v Tesco Stores Ltd, a claim concerning the extent to which Tesco has, if at all, exceeded its license to use TIBCO’s software. Lynne McCafferty is appointed to the independent advisory panel for the Post Office Sub-Postmasters scandal, addressing the catastrophic failures of Fujitsu’s Horizon electronic point-of-sale IT system which led to over 900 wrongful convictions. Lavy KC led Iain Munro when representing the claimant in Tata Consulting Services v Disclosure and Barring Service, a 7 week trial relating to the provision of outsourced IT services for the UK’s DBS; with the High Court judgment in May 2024 rejecting most of the TCS’s delay claims.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'Clerks Stewart Gibbs and Sam Penny deserve particular praise.' 
  • 'Bill Griffiths is excellent and his team provide very good service.' 
  • 'Clerks are helpful and knowledgeable and easy to deal with.' 
  • 'The clerks at 4 Pump Court are responsive, very user-friendly and extremely professional, working seamlessly with both barristers and solicitors.' 
  • 'A very strong IT and tech set.' 
  • 'Hands down the best chambers for tech law. The strength-in-depth is unrivalled.' 
  • 'For IT matters, 4 Pump Court is one of the strongest sets and is a go-to chambers for IT disputes.' 
  • 'The technical expertise of various members of 4 Pump Court is impressive.' 

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2023 Silks
KCs at the very top of their field, with a long-established record of market-defining cases, and widespread endorsement from clients and peers. All silks appointed in the last two rounds are listed further below.

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