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John Jessup

Year of Call: 2014
Email Address: john.jessup@3pb.co.uk
Telephone: 020 7583 8055

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John has a level of experience in Insolvency matters equivalent to a general practitioner many years his senior.  He has had exposure to complex and high-value disputes between liquidators and former directors on matters such as:

  • Breach of directors' duties
  • Transactions at undervalue
  • Preferences.

John frequently appears at the winding-up court at the Rolls building.

John also has experience in representing individuals in bankruptcy proceedings and frequently appears in London and in county courts around the South East for that purpose.


John has had exposure to high-level, multi-million pound Commercial disputes both during pupillage and whilst at 3PB.  He is capable of advising on the application of Commercial and Contract law to complex, multi-party arrangements.

John has a particular interest in cross-border commercial disputes, having studied Conflict of Laws at Oxford University.

John also frequently provides written advice and court advocacy for smaller-scale disputes such as contracts for building services and sale of goods claims.


In addition to his experience in corporate insolvency, John has substantial experience in general Company law matters and frequently appears and advises on matters such as applications to rectify the register of charges under the Companies Act 2006.

  • Publications
    • Through a glass darkly: reflections on reflective loss

      12th Jul 2018

      Through a glass darkly: reflections on reflective loss

      John Jessup considers the recent Court of Appeal decision of Marex Financial Limited [2018] EWCA Civ 1468 which answers the question of whether the rule against reflective loss (which prevents a shareholder bringing an action for loss of value of their shares) applies to unsecured creditors.

      View Publication
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Academic qualifications

  • University of Wales, Swansea, LLB Law, 1st class degree (top 1st) (2011)
  • University of Oxford, Bachelor of Civil Law (2013)
  • Cardiff University, BPTC, Outstanding.


  • Best Orator, Oxford International Media Law Moot 2013
  • Semi-Finalist, Oxford International Intellectual Property Moot 2013
  • Beneficiary of the James Pantyfedwen Foundation, 2012
  • Iscoed Chambers Prize, 2011
  • Sweet and Maxwell Prize, 2011

Professional bodies

  • Chancery Bar Association
  • Technology and Construction Bar Association

Direct Access

John Jessup is qualified to accept instructions directly from members of the public and professional clients under the Direct Public Access scheme.

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