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Mary Barrett


Mary advises a broad range of individual and corporate clients in relation to commercial disputes.



Mary advises a broad range of individual and corporate clients in relation to a wide range of commercial disputes. 

Mary has experience of the following: 

  • Disputes involving breach of contract, misrepresentation, breach of warranty, directors’ and officers’ duties, professional negligence and debt recovery and enforcement. 
  • Advising on insurance coverage disputes. 

Mary’s clients operate across a range of sectors including banking, retail, technology and food services. 


  • Acting for a large food retailer/bakery in relation to a business interruption insurance dispute in which the claimant sought business interruption losses related to and resulting from the Covid-19 pandemic. 
  • Assisting with the team defending a non-executive chairman in a claim brought by the joint liquidators of a major retail group. This significant case was featured in The Lawyer’s Top 20 cases for 2023 and is likely to result in a development of the principles of directors’ duties. 

Our thinking

  • Trade Credit Insurance – Protection, Economic Instability and Increased Demand

    Mary Barrett


  • World Refugee Day 2023

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  • My Pro Bono Story

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  • Levelling Up: The Government’s plans to crackdown on ‘rogue’ landlords

    Mary Barrett

    Quick Reads

  • Who will carry the risk? Professional indemnity crisis in construction

    Mary Barrett


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