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Chambers of Collingwood Thompson QC

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Simeon Maskrey QC

Work 020 7242 3555
7BR (Chambers of Collingwood Thompson QC)


Simeon Maskrey QC is widely recognised as an outstanding, experienced silk in clinical negligence, personal injury and product liability cases. His expertise across all aspects of medical jurisprudence means that he is also instructed in public law and coroners’ courts cases involving challenging medical issues, particularly where the outcome of the case may have an impact on civil liability. He is regularly instructed in professional negligence work, particularly claims against solicitors and valuers. He represents the interests of sports men and women and sports organizations, especially in a medical or disciplinary context. He has considerable experience of all forms of disciplinary tribunals, including medical, accountancy, solicitor and teaching professions. He is particularly noted for acting in ‘sensitive’ cases where there is or may be considerable media interest as a consequence of the identities of the litigants. He is experienced in all courts and tribunals including the Supreme Court a11d European Court of Justice. Simeon is listed as a leading silk in clinical negligence and personal injury in ‘The Legal 500’ and ‘Chambers & Partners directories (2014). He is the only clinical negligence QC listed as a ‘star individual’ by Chambers and Partners and is in band 1 for personal injury and product liability cases. The 2014 directories describe him as ‘amazing on his feet, and truly fantastic in cross-examination. He’s exceptionally bright, fast-thinking, and able to tie someone in knots during cross-examination’ and as ‘incredibly bright· he gets to grips with the most complicated issues, works around them, and comes up with paperwork very quickly. He’s very efficient.’ His performance at trial is said to be ‘the factor which leads to the successful outcome of a case’. Simeon sits as a Deputy High Court Judge and as a Recorder of the Crown Court. He is a member of PNBA and the British Association for Sport and Law. He is a past faculty member of the Royal College of Physicians and a visiting lecturer at Trinity College, Dublin. He regularly speaks at AvMA conferences and at NHS seminars. Simeon is head of chambers at 7, Bedford Row. Key cases: Zhang v Homerton University Hospital NHS Trust (High Court 2012): trial involving traumatic Caesarean section giving rise to brain damage; Mason v Dr Gerlis & others (High Court 2012): trial involving the alleged failure to diagnose discitis leading to paraplegia; Mayes vEgan (High Court 2012): trial concerning a road traffic accident leading to tertraplegia; Ganz v Dr Childs & others (High Court 2011)(CA 2012): trial concerning failure of GP to refer to hospital and failure of hospital to react to falling GCS leading to brairt damage and tetraplegia; O’Byme v Aventis Pasteur (ECJ 2009; Supreme Court 2010): vaccine damage case concerning limitation and date of commencement of proceedings in a European context; Bottomley v East Midlands Strategic HA (CA 2010): consideration by the court of appeal on whether a toea! authority having the care of an injured claimant should be joined in an action between the claimant and the NHSLA; JFX v York Hospitals (High Court 2010): birth injusy trial Seroxat litigation (High Court 2010), alleged defective antidepressants; Ee/es v Cobham (CA 2009): interim payment application where guidelines were given by the court of appeal as to the approach to be adopted in maximum severity cases; Khairule v Northwest Strategic HA (High Court 2009): trial involving approach to be adopted where a limitation defence is raised in a birth injusy case; Canning Kishvar v Sandwell & West Birmingham Hospitals NHS Trust (High Court 2009): trial as to whether claimant entitled to succeed when unable to prove that but for the negligently caused period of hypoxia brain injusy would not have occurred; Telles v South West SHA (High Court 2009): trial arising from the BRI scandal. Claimant suffered brain damage following a negligent cardiovascular shunt operation; CJL v West Midlands Strategic HA (High Court 2009), trial during which High Court considered the approach to be adopted on decision to delivery intervals in birth injury cases; Newton-Sealey v Armorgroup Pic (High Court 2008): trial concerning duties owed by groups of companies engaging security personnel to work in Iraq; Lesley Ash (2008): representing actress Lesley Ash in the £5m settlement of her clinical negligence action against Chelsea and Westminster Hospital NHS Foundation Trust; Antoniades v East Sussex Hospitals NHS Trust (High Court 2007): trial concerning allegations of substandard neonatal resuscitation; Piper v JRI Manufactunng Ltd [2006} EWCA Civ 1344: Consumer Protection Act allegation of a defective prosthetic hip considered by the court of appeal; Gregg v Scott (Hl 2005): landmark House of Lords decision on ‘loss of a chance’.


Called 1977, Gray’s Inn; QC 1995; Recorder 1996; deputy High Court judge 2000. Senior lecturer in Medical Jurisprudence, Trinity College, Dublin.


Kings School, Grantham; Leicester University.

London Bar

Clinical negligence

Within: Clinical negligence – Leading silks

Simeon Maskrey QC - 7BR ‘Has a brain the size of a planet and deserves to be named as a star silk.’

Within: Clinical negligence

7BR has ‘an excellent medical team’ with ‘extensive range of counsel with wealth of clinical negligence experience’ including Simeon Maskrey QC, Adam Weitzman QC, Derek Sweeting QC and Julian Matthews. Clients are confident there is ‘a barrister for every occasion’ and they ‘all are of the same high standard’. Instructions come largely for claimants and are of the highest profile, sensitivity and complexity, such as Darnley v Mayday Hospitals NHS Trust.

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Personal injury, industrial disease and insurance fraud

Within: Personal injury – Leading silks

Simeon Maskrey QC - 7BR ‘His emphasis is on brain and spinal injury matters.’

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Product liability

Within: Product liability – Leading silks

Simeon Maskrey QC - 7BR ‘Genius, immediately on top of the issues, unsurpassed claimant experience and knowledge.’

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