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 UK, 2020

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”. Zoe’s commercial/Chancery practice spans a broad range including IT and outsourcing disputes, shareholder disputes/joint ventures, directors’ duties, banking and finance, commercial fraud, commodities and shipbuilding.  She acts principally for large multinationals and high net worth individuals and 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 frequently instructed as counsel in international commercial arbitration, and is regularly appointed as presiding, sole and co-arbitrator in claims proceeding under the LCIA, ICC and UNICTRAL rules.   She is on the List of Arbitrators of the HK IAC.

News & Events

  • News

    Lauriston Lights - Serle Court Summer workshop

    On 21 August members of Serle Court provided a legal workshop for Lauriston Lights, a charity which seeks to reduce educational... Read More

    News

    Zoe O’Sullivan QC discusses ‘When can proceedings be stayed in favour of ADR?  Ohpen Operations UK Ltd v Invesco Managers Ltd [2019] EWHC 2245 (TCC)’

    Zoe O'Sullivan QC has written an article on 'When can proceedings be stayed in favour of ADR?  ... 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

    Events

    Commercial Series III: Fraud & Arbitration

    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 UK, 2018
  • “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 UK, 2017

Education & Qualifications

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

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

Memberships

Registered Foreign Lawyer with the Singapore International Commercial Court

2019: Registered as Advocate before the DIFC Courts

Languages

Zoe has a working knowledge of French and Spanish.

News & Events

  • News

    Lauriston Lights - Serle Court Summer workshop

    On 21 August members of Serle Court provided a legal workshop for Lauriston Lights, a charity which seeks to reduce educational... Read More

    News

    Zoe O’Sullivan QC discusses ‘When can proceedings be stayed in favour of ADR?  Ohpen Operations UK Ltd v Invesco Managers Ltd [2019] EWHC 2245 (TCC)’

    Zoe O'Sullivan QC has written an article on 'When can proceedings be stayed in favour of ADR?  ... 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

    Events

    Commercial Series III: Fraud & Arbitration

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