The court found that a highly respected and hugely experienced histopathologist expert witness, who was overburdened with work, had made errors in his examination of the forensic material and closed his mind to possible or probable accidental causes for the injuries identified. 

London Borough of Hammersmith and Fulham v G [2024] EWHC 2200 (Fam) 

This case is about whether the judge erred in finding that Ms Soophia Khan had capacity to defend proceedings for contempt of court. This is an important judgment for any psychiatrist called upon to assess fitness to plead and stand trial in a criminal case or litigation capacity in a civil case; and important also for any psychologist whose evidence may be considered in such a case. It is not just because it compares the tests for fitness to plead and stand trial and litigation capacity; it is a rare illustration of not only how a judge at first instance assesses expert evidence in such a case but also of how the court of appeal analyses the judicial reasoning when such a case is appealed.

The judge in this patent case found that the claimants’ gene therapy expert had developed, quite possibly guided by lawyers, the understanding that the primary duty of an expert witness is not to say anything that may damage the instructing party’s case if it can be avoided.

In this US case, an expert in fiduciary services used Microsoft’s Copilot to cross-check calculations he used in expert evidence. He was unable to recall the prompts he used, state the sources Copilot relied on, or explain how the tool worked and arrived at its outputs. The judge provided some useful insight into the challenges with using AI in expert evidence. 

Range of Opinion is the focus of the 5th episode of the Expert Matters Podcast. We catch up with Colin Holburn, Chair of the EWI Membership Committee, to find out about the sorts of issues his committee sees in the expert reports submitted to them, before hearing advice from Colin and Lady Justice Simler on how to ensure you meet the requirement to provide a range of opinion. 

Although accepting the medical expert's conclusion on the First Defendant's capacity to appear in court, the Bailiff noted that any further application for an adjournment on health grounds would require a much more significant explanation of the First Defendant's medical history, and precise problems and prognosis, to be provided well in advance.

Emirates NBD Bank PJSC v Almakhawi and Ors [2024] JRC 086

The judge found that it was without justification and entirely unecessary for an expert to question the opposing expert's professionalism and motives in selecting evidence, noting that this approach was unhelpful for the tribunal. 

Tim White is a chartered chemist who uses his expertise to assess chemical risk from exposure to water. He has been an Expert Witness for over 40 years, advising on cases relating to water quality, land contamination and corrosion.

Earlier this year, we asked our members about the single biggest change they’ve seen since they started practicing as an Expert Witness. With members from numerous disciplines who’ve been practicing from 40 years to 4 months, we expected a wide variety of insights, and we weren’t disappointed.

This case is primarily of interest to obstetricians, illustrating the court’s approach to the disputed interpretation of cardiotocographic evidence. There were no midwifery issues as such, but it may be of some interest to midwifery experts. The general learning points speak for themselves without reading the summary.

Woods v Doncaster and Bassetlaw Teaching Hospitals NHS Foundation Trust [2024] EWHC 1432 (KB)