Zoe O'Sullivan QC


Year of Call: 1993 Year of Silk: 2015

“A real fighter, who is incredibly focused and charismatic and has real gravitas, but who is also easy to work with.” “Great intellect and commerciality.”

Chambers & Partners

Practice Overview

Zoe O’Sullivan QC is a robust and experienced advocate who thrives on the challenges of oral advocacy and cross-examination.   She 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.

News & Events

  • News

    Chambers UK Bar 2021 Rankings - “They are excellent without exception”

    Serle Court is delighted to announce that chambers has been ranked in 11 practice areas in this year's Chambers UK... Read More

    News

    Zoe O’Sullivan QC - SCLA Scheme Panellist

    The Society for Computers' Adjudication Scheme (SCLA) continues to provides a cost-effective and speedy procedure for resolving contract disputes,... Read More

  • Events

    Dubai Arbitration Week 2020

    Location: Online via Zoom Read More

    Events

    SCL IT Disputes Group - Software Disputes: a review of the recent law on ownership of copyright, injunctive relief and remedies

    Location: 6 New Square, Lincoln's Inn, WC2A 3QS Read More

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

    Chambers and Partners
  • “Has a growing IT practice that sees her handling cases concerning software development and licensing, major contractural disputes and outsourcing issues. She is also experienced at handling media tech issues.”

    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

Registered Foreign Lawyer with the Singapore International Commercial Court

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

    Chambers UK Bar 2021 Rankings - “They are excellent without exception”

    Serle Court is delighted to announce that chambers has been ranked in 11 practice areas in this year's Chambers UK... Read More

    News

    Zoe O’Sullivan QC - SCLA Scheme Panellist

    The Society for Computers' Adjudication Scheme (SCLA) continues to provides a cost-effective and speedy procedure for resolving contract disputes,... Read More

  • Events

    SCL IT Disputes Group - Software Disputes: a review of the recent law on ownership of copyright, injunctive relief and remedies

    Location: 6 New Square, Lincoln's Inn, WC2A 3QS Read More

    Events

    Dubai Arbitration Week

    Location: Dubai International Financial Centre, Al Fattan Currency House Tower 2 Level 8, Dubai, United Arab Emirates Read More