Rhiannon is instructed to advise and represent patients and their families in clinical negligence cases. Her caseload covers a wide spectrum of medical accidents, including birth trauma, delayed diagnosis, failure to diagnose cardiac conditions and failure to act upon information that previous anaesthetic had caused serious neurological complications.
Rhiannon appeared as junior counsel in Biesheuvel v Birrell (1999) PIQR Q40 and this was followed by instructions in high value spinal and brain injury cases, notably Owen v Brown  EWHC 1135 (QB) and Parry v Humbert (2005). She has continued to specialise in the whole spectrum of catastrophic injury claims since then. She also has experience of chronic pain cases.
- L v M – Representing the Defendants dealing with quantum in a serious brain injury case where there were complex causation issues due to a pre-existing drink problem which also affected life expectancy.
- W v B,C & B – Representing the interests of all three Defendants dealing with quantum of the Claimant’s claim for catastrophic brain and orthopaedic injuries.
- Hanssen v Farrant Parker & Anitox Limited – Representing the Claimant who was rendered tetraplegic following a road traffic accident when he was 7 years old. Interlocutory disputes as to how the Claimant’s needs are met until final prognosis can be established and the case resolved.
- BBB & CCC v Reading Borough Council & Wokingham Borough Council – Represented the adult Claimants who were sexually abused when in foster care as young children and who suffered long term psychiatric damage. Complex issues of liability, causation and quantum. The compromises approved are amongst the highest awards for these types of case.
- Re JX MX – Represented the Claimant who suffered a head injury of the utmost severity which left her quadriplegic and “locked-in” after being struck by a car when crossing the road whilst possibly using her mobile phone. Lump sum award of £4.35M with PPOs for care and case management.
- Gibson v Northumbria Police – Represented the Claimant in respect of the fatal accident claim arising from the death of her husband, a pedestrian who was struck by a police car travelling in excess of the speed limit in response to a 999 call. Had previously represented the family of the deceased at the Inquest.
- S v I M K Hill – Represented the Claimant who suffered bilateral foot injuries causing permanent mobility issues when he was run over by a 4×4. Heavily contested interim payment applications and dispute over suitable alternative vehicle to accommodate the Claimant’s ongoing difficulties. Case compromised at JSM for a 7 figure sum.
- Harris v UK Power Networks (Operations) Ltd – Represented the Claimant motorcyclist who suffered a head injury permanently affecting work capacity in a road traffic accident.
- SH v Tube Plastics – Represented the Claimant, who suffers from cerebral palsy and suffered orthopaedic and psychological injuries when he fell from a defective swing. Issues included additional care needs and causation. Compromise reached at JSM approved by the Court.
- Meehan v Manley – Represented the Defendants in respect of the claim by a junior doctor who suffered a head injury in a road traffic accident which permanently compromised her career progression. Case settled at a JSM.
- Emirdane v ETTI Limited t/a K&S Packaging – Represented the Claimant who suffered a severe brain injury following a workplace accident. Issues over care regime. Compromise exceeding £1M approved by the Court.
- Paterson v RMPA Services Ltd – Represented the Claimant, who suffered serious leg injuries when serving in the Pathfinder regiment in Afghanistan and then sustained further injuries following an accident whilst rehabilitating. Complex causation issues. Case compromised.
- Gumb v Simpson – Represented the Defendant in a claim by an elderly lady who suffered a catastrophic head injury in a road traffic accident. Issues over appropriate “top up” care regime and source of payment of care home fees. Compromise approved by the Court.
- Szura v Dixey – Represented the Defendant at trial over 5 days in a claim where subtle brain injury alleged. Complex disputed medical evidence and issues over future earning capacity.
- Craig Streeter v Darren Hughes & MIB – Represented the Claimant who suffered from tetraplegia, in a trial of liability and quantum arising from a road traffic accident involving a collision between the Claimant riding a bicycle and the First Defendant’s car. Complex accident reconstruction and causation issues and detailed preparation of quantum issues required. Led by John Leighton Williams QC.
- G v Lane – Represented the Defendant at a settlement meeting in respect of a claim for incomplete tetraplegia in a middle aged woman.
- CL v Kennedy & EUI Limited – Represented the Claimant in her claim arising from catastrophic head injuries causing quadriplegia following road traffic accident. Complex issues of causation, volenti and contributory negligence. Liability compromise approved by the High Court in March 2011. A multi-million pound settlement incorporated within a PPO with reverse indemnity was approved. Settlement is subject of an Anonymity Order. Led by Robert Glancy QC.
- Re HV v MW – Represented the Claimant in a high value claim under the Fatal Accidents Act 1976 in respect of the death of her husband following the negligent failure to diagnose a heart condition. Liability and causation compromised and approved in September 2010. Complex quantum issues arising from the calculation of loss of dependency of a young farmer involving extensive forensic accountancy evidence. Probate issues and related Inheritance Act provision claim. Led by David Heaton QC.
- Brennan v Doubleday – Represented the Defendant in a successful application before Master Leslie at a late stage of proceedings to substitute a care expert who had provided an unsatisfactory analysis of the care needs of the Claimant in a high value amputation case.
Rhiannon’s professional negligence practice relates exclusively to actions against legal advisers arising from their conduct of personal injury and clinical negligence cases.
“She acts for both Claimants and Defendants and is acknowledged by her peers for her expertise in representing insurers.”
Chambers & Partners 2016
“She puts up a good fight and fully understands what the insurers are expecting and needing.”
Chambers & Partners 2016
“She works extremely hard on her cases and gives her all to her clients.”
Chambers & Partners 2016
“She has the ability to get to the heart of the matter and give pragmatic advice.”
Chambers & Partners 2015
“She is tactically very, very good, gets on well with clients and puts time and effort into the preparation of her cases.”
Chambers & Partners 2015
“She richly deserved her silk appointment.”
Legal 500 2015
“Acting on a broad range of high value personal injury work, handling issues involving fatalities, amputations and severe psychiatric injuries. She has particular experience in catastrophic brain and neurological injury claims. Acts for Claimants and Defendants and is adept in dealing with issues of quantum and liability.”
Chambers & Partners 2014
“A calm, efficient barrister, who gets to the heart of a claim quickly.”
Legal 500 2014