Zoe O'Sullivan KC


Year of Call: 1993 Year of Silk: 2015

“Zoe O'Sullivan KC is brilliant. She is super responsive, really intelligent and very, very practical. She is always available at the other end of the phone. She is very thorough but also very quick to get to the point, and concise with her advice.”

Chambers Global, 2022
Portrait of  Zoe O'Sullivan KC

Practice Overview

Zoe O’Sullivan KC is a robust and experienced advocate who thrives on the challenges of oral advocacy and cross-examination.  She is recommended by Chambers UK Bar for Commercial Dispute Resolution, Banking & Finance and Information Technology. Zoe is also recommended in Dispute Resolution (The English Bar - United Arab Emirates) by Chambers Global.

Zoe is described in Chambers UK as “very easy to work with and very hands-on”, “very technically able” and “formidably bright”.  The Legal 500 says: “Zoe is - even by the standards of the commercial bar - highly intelligent and extremely diligent: she is seriously very hard-working. As a result she displays complete mastery of the documents and of the law. She is an extremely tough, but always fair and decent, opponent. A star silk for the future.”

Zoe’s commercial/Chancery practice spans a broad range including IT and outsourcing disputes, shareholder disputes/joint ventures, directors’ duties, banking and finance, civil fraud, oil and gas, and shipbuilding. She is highly experienced in jurisdiction issues and in key interim applications including freezing orders, anti-suit injunctions, and applications under section 44 of the Arbitration Act 1996.

Zoe is also ranked by the Legal 500 as a leading silk in international commercial arbitration.   She is regularly appointed as presiding, sole and co-arbitrator in claims proceeding under the LCIA, DIFC-LCIA, ICC and UNICTRAL rules.   She is on the List of Arbitrators of the HK IAC.

Zoe is registered in the DIFC and admitted to the Bar of the BVI.

News & Events

  • News

    Case Note by Zoe O’Sullivan: American International Group v Qatar Insurance Co DIFCA 008/2024

    In American International Group UK Ltd and others v Qatar Insurance Co DIFCA 008/2024 (20 September 2024), the DIFC Court of Appeal has... Read More

    News

    Serle Court sponsors Essay Prize for Cambridge Law Review: Volume 10 | Submission Deadline, 15 December

    We are thrilled to announce that we have partnered with Cambridge Law Review to sponsor a monetary award for... Read More

  • Events

    ThoughtLeaders4 FIRE Middle East 2024

    Location: Shangri-La, Dubai
    Read More

    Events

    The Commercial Bar Association (Combar): 2nd Gulf Meeting in Dubai 2024

    Location: The Capital Club, Dubai
    Read More

  • “Very technically able and very client-oriented”, “She’s got the brain the size of a planet”.

    Chambers and Partners
  • Decisive, commercial and approachable.” “She is a highly intelligent and extremely hard-working and thorough advocate, and a very robust cross-examiner.

    Chambers and Partners
  • “Zoe is - even by the standards of the commercial bar - highly intelligent and extremely diligent: she is seriously very hard-working. As a result she displays complete mastery of the documents and of the law. She is an extremely tough, but always fair and decent, opponent. A star silk for the future.”

    Legal 500

Education & Qualifications

Oxford University, MA English Language and Literature (Congratulatory First)

City University, Diploma in Law (Distinction, Arbitrators’ Prize)

Appointments

2021: Admitted to the BVI Bar

2019: Registered as Advocate before the DIFC Courts

Memberships

Member of the Society for Computers and Law Adjudication Scheme Panel

Languages

Zoe has a working knowledge of French and Spanish.

News & Events

  • News

    Case Note by Zoe O’Sullivan: American International Group v Qatar Insurance Co DIFCA 008/2024

    In American International Group UK Ltd and others v Qatar Insurance Co DIFCA 008/2024 (20 September 2024), the DIFC Court of Appeal has... Read More

    News

    Serle Court sponsors Essay Prize for Cambridge Law Review: Volume 10 | Submission Deadline, 15 December

    We are thrilled to announce that we have partnered with Cambridge Law Review to sponsor a monetary award for... Read More

  • Events

    The Commercial Bar Association (Combar): 2nd Gulf Meeting in Dubai 2024

    Location: The Capital Club, Dubai Read More

    Events

    White Paper Conferences Civil Fraud Law & Practice 2024: Shaping New Developments into Solution-Focused Answers for Your Clients

    Location: The Caledonian Club, London Read More