23 October 2025 Sean Mosby 1803 Case Updates Sidney Conway v Yeovil District Hospitals NHS Foundation Trust & Anor [2025] EWHC 2488 (KB) by Sean Mosby Summary The Claimant’s father and litigation friend alleged that the medical practitioners treating his son were negligent in not promptly carrying out an ultrasound on his head, after he had been admitted to hospital with head injuries. The judge found that the expert for the Claimant was, to an extent, seeking to fight his corner rather than taking a dispassionate approach to the issues raised. Learning points for experts You must not advocate for your client. Making reasonable concessions may enhance the weight of your expert evidence, but there will be a point where the scale and significance of concessions undermine the level of confidence in what remains of your evidence. Always listen carefully to the question you have been asked, and answer only that question, not the question you wish you had been asked. You will find this point among the excellent practical advice for giving oral evidence which the Right Honourable Lady Simler, Justice of the Supreme Court shared in her recent Sir Michael Davies Lecture to the EWI. To continue reading you must be an EWI member, become a member and access exclusive content. Already a member? Login More links Link to the Judgment Share Print Tags Clinical negligence16. Criticism and Complaints14. Changing your opinion15. Giving Oral Evidence Related articles Regal BA Limited v Jun Zhang [2026] EWHC 1446 (Ch) Do not leave it until cross-examination to reveal your true opinion A Day in the Life of a General Practitioner Expert Witness Ill-health and sentencing Take care not to conflate your role as a contractor with your duties as an expert witness Switch article Quarterly Update on EWI's Advocacy Work Previous Article Podcast Episode 18: Pro Bono Expert Evidence Next Article Comments are only visible to subscribers.