We speak to Lynn Hannon, a learning disability and autism specialist nurse who works as an Expert Witness on quantum care assessments, loss of service claims, and Court of Protection cases. Here, she tells us how she found her way into the role, what keeps her motivated, and the advice she would give to anyone considering the same path.

In March's episode of the Expert Matters Podcast, we discuss some recent examples of experts in the courts, drawing out the key learning points for expert witnesses. As always, you can also listen to our 'What's going on at EWI' and 'Newsreel' segments to keep up-to-date on the latest developments in the world of expert witnesses and expert evidence. 

This case illustrates a number of difficulties for the adult victims of childhood sexual abuse. Diagnoses of psychiatric disorder in childhood have to be made retrospectively. Contemporaneous records may be missing, incomplete or insufficiently detailed. Even where the only adverse childhood experience is the sexual abuse, it is difficult to prove that the victim’s subsequent trajectory in life has been any different to what it would have been but for the sexual abuse.

DBAK v The Governors of the Fettes Trust [2026] CSOH 5

The claimant was involved in a minor road traffic accident while she was the passenger in a car driven by her partner, who was the defendant’s insured. She claimed compensation for whiplash and psychological symptoms. The judge described the report of the physiotherapist expert witness who acted for the claimant as almost worse than useless and aspects of her evidence as literally unbelievable

Clark v Skyfire Insurance Company Limited, Canterbury County Court, 12th November 2025 

The expert acting for the appellant had appeared before the Valuation Tribunal for England as advocate and expert for the appellant, and he continued to represent the appellant in its appeal before the Upper Tribunal (Land Chamber) until counsel was instructed close to the date of the hearing. The Tribunal noted that experts in these circumstances must take particular care to acknowledge their position and explain how compliance with the duties of an expert has been achieved.

Espresso Rooms UK Limited v Nicola Johnson [2026] UKUT 70 (LC)

Working with expert witnesses... is a new monthly article series. The series takes a look at the role of expert witnesses in a range of sectors from the perspective of the legal and other professionals who work with them. If you are interested in being featured in the series, you can contact us at policy@ewi.org.uk. 

The first article in the series is by Richard Black and Jennifer Fitzmaurice from Eversheds Sutherland on their experience of working with expert witnesses in the construction industry. 

The Civil Justice Council (‘CJC’) has published an Interim Report and Consultation on the Use of AI for preparing court documents. The focus of the consultation paper is whether court rules are required to regulate the use of AI by legal representatives. However, the consultation also examines whether the use of AI by experts should be subject to court rules, with specific proposals set out in Part 8 of the consultation document.

Dr Jane Duff is a Consultant Clinical Psychologist, Head of the National Spinal Injuries Centre Psychology Service, and an Expert Witness. Here, she tells us what she loves about her work and how her clinical and medicolegal roles come together to complement one another.

The two handwriting experts in this case were given completely different samples of comparator signatures and did not undertake the same task. The judge noted that it was extraordinary and unsatisfactory that the defendants’ expert was provided with comparator signatures which were not the person’s normal signature and was then instructed to assume they were authentic.

The details of this case are for gastroenterologists and psychiatrists. The learning points are of general application and although made by an expert in their first case, they reflect mistakes made by some more experienced experts who should know better.

Patricia's Father v Patricia (Rev1) [2025] EWCOP 30 (T3)