Department profile
Blackstone Chambers

Data Protection

UK Bar Guide 2026 : London (Bar)

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Blackstone Chambers

Rankings

Chambers Review

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Data Protection - London (Bar)

Band 3

What the Team is Known For

The barristers at Blackstone Chambers possess notable data protection and freedom of information law experience, especially in relation to the intersection of data protection, public and human rights law. The barristers are highly sought after by individuals, organisations and government entities for a range of cases heard before the highest courts. Recent highlights include a key role in Wieder v UK. One source notes them as a: "powerhouse at the commercial Bar. They have very strong barristers."

Mat Swallow is Chambers Director.

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Strengths

Provided by Chambers

  • The clerks are great and really want to help. They are all very helpful and responsive.

    Data Protection respondentUK Bar

  • Blackstone has incredibly professional clerks.

    Data Protection respondentUK Bar

Notable Practitioners

Provided by Chambers

  • Ben Jaffey
    Ben Jaffey

    Ben Jaffey

    Ben Jaffey KC has a well-regarded practice at the intersection of public and data protection law. He has detailed knowledge of the many controversies surrounding the collection of communications data by government agencies.

    • He is the best barrister at the Bar across the board. There is no one better.

      Data Protection respondentUK Bar

    • He is on top of the detail. Ben is very engaging and good to work with. He is very approachable and he is one of the brightest barristers.

      Data Protection respondentUK Bar

    • Ben is one of the best barristers at the Bar. He is outstanding. He is so smart, funny and astute.

      Data Protection respondentUK Bar
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  • Gayatri Sarathy
    Gayatri Sarathy

    Gayatri Sarathy

    Gayatri Sarathy is called upon to offer advice on data protection matters in the public law realm, often challenging central government in data judicial review claims. She is experienced in matters concerning the intelligence services' data practices, along with issues arising from COVID-19 contact tracing.

    • Gayatri is excellent. She is extremely clever, her drafting is very good, and she is well considered in her advice and strategically aware. Her work is always top-notch.

      Data Protection respondentUK Bar

    • Gayatri is so clever. She is really intelligent and easy to bounce ideas off.

      Data Protection respondentUK Bar
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  • James Eadie
    James Eadie

    James Eadie

    James Eadie KC appears for the government in its most significant and high-profile matters in the role of Treasury Devil, and enjoys a position of great renown as an advocate of the highest order. His work in information law includes defending the compatibility of ministerial decisions with data protection and freedom of information legislation. Eadie has handled a number of landmark cases in the field.

    • James is well regarded as a top silk.

      Data Protection respondentUK Bar
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  • Kate Gallafent
    Kate Gallafent

    Kate Gallafent

    Kate Gallafent KC is well placed to advise a range of clients on the Data Protection and Freedom of Information Acts and breaches thereof.

    • She is a brilliant advocate.

      Data Protection respondentUK Bar
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  • Jason Pobjoy
    Jason Pobjoy

    Jason Pobjoy

    Jason Pobjoy KC has an impressive data protection practice that sees him acting for a wide range of clients including individuals, government departments and public entities. He has experience acting at various levels of court, including the First-tier and Upper Tribunals and also before the ICO in matters related to freedom of information requests and issues under the Data Protection Act 2018.

    • Jason is an intellectual force to be reckoned with. His expertise is broad, and he picks up on detail incredibly quickly. He also understands the client's ways of working perfectly.

      Data Protection respondentUK Bar
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Ranked Barristers at Blackstone Chambers (5)

London (Bar)

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