Mark Ashley



Mark is a clinical risk lawyer in our Leeds office. 
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About Mark

  • Biography

    Mark specialises in defending substantial clinical negligence claims. His recent experience includes the following:

    • Conduct of the Ian Paterson litigation. Defending a highly contentious claim brought by a private sector provider which alleged the NHS should be responsible for harm suffered by Ian Paterson’s private patients. Mark also coordinated the rapid and fair resolution of a substantial volume of claims brought by Ian Paterson’s NHS patients.
    • Acting for an NHS Trust in respect of a series of claims brought against it arising from the activities of Victorino Chua, a former nurse who has now been imprisoned for life.
    • Henderson v Dorset Healthcare – acting for the NHS in the High Court, Court of Appeal, and Supreme Court in this case which reassesses whether a claimant should be compensated for their own illegal conduct.
    • Roberts v Ministry of Defence; Ministry of Defence v Viersen. Representing a German hospital in connection with a contribution claim brought by the MoD. This case involves complex issues of jurisdiction and choice of law, and is at present subject to an appeal to the Supreme Court.  
    • Supervising (on behalf of Lloyds insurers) the defence of clinical negligence claims brought in other common law jurisdictions, with a particular focus on Bermuda.
    • Managing claims for medical practitioners who have been declined indemnity or whose insurer is unable to provide indemnity by reason of insolvency.
Sector Expertise
  • Health and Social Care

Service Expertise
  • International PI

Office Location

Bristol Skyline


  • DAC Beachcroft LLP
  • Portwall Place, Portwall Lane
  • Bristol, BS1 6NA

+44 (0) 117 918 2000

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Swift v Carpenter – A Change in the Approach to Accommodation Claims?

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Recoverability of inquest costs – what constitutes an ‘admission’?

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Calculating future losses in Fatal Accidents Act claims: From the date of death, or the date of trial?

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The last-minute change of plan: How courts are no longer easing the path for late amendments

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Non-delegable duties: Do they apply to prison healthcare?

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Forthcoming Changes to the Discount Rate


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Supreme Court finds Hospital liable for inaccurate waiting time information given in A&E - Darnley v Croydon Health Services NHS Trust [2018] UKSC 50

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CRU repayments found to be non-compliant with Insurers’ property rights under European Convention on Human Rights

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Expert evidence in clinical negligence litigation


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Hughes v Rattan (2022) Appeal – Is the tide turning?

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Khan v Meadows – liability for unanticipated consequences of medical negligence