Case Updates

The claimant was suing for the unpaid balance of the purchase price of assets used in its high-pressure aluminium diecasting business. The defendants’ expert received instructions that limited the scope of his investigation and analysis. While the judge accorded less weight to his evidence, he did not accept the claimant’s suggestion that the defendants’ expert ought to have either declined the instructions or proffered his opinion on wider valuation issues even in relation to issues outside of his instructions.

The judge found that the report by the claimants’ forensic accounting expert was not expert evidence because it simply reported what the underlying documents said in a more digestible way, without adding any expert opinion. On the one or two occasions where the expert did offer an opinion, they were not opinions on any accountancy matter.

The task for the expert in this case was enormous. Capacity is issue specific. This means that if the issue is someone’s capacity to conduct legal proceedings, in this case sixteen sets of proceedings, the expert has to consider each set of proceedings. The person may have the capacity to conduct some and not others.

Johnston v Financial Ombudsman Service [2025] EWCA Civ 551

It is not easy to appreciate the significance of this judgment for experts in general without reading the summary so the ‘Commentary’ is at the end. The neuropsychological test results are perhaps not of particular interest to psychologists and psychiatrists at this stage in the proceedings but may become so if the case does not settle and it goes to trial. 

Perrin v Walsh (Rev1) [2025] EWHC 2536 (KB)

Few reported cases assist as to expert evidence in cases of harassment and on the issue of injury to feelings as distinct from psychiatric injury. This summary should be read for this reason. It illustrates how the expert should respond to less than neutral instructions. It illustrates how cardiological evidence was analysed in order for the court to conclude that the defendant’s course of conduct had caused a myocardial infarction. It also reveals the charitable aspect of pro bono legal practice.   

Wei v Long [2025] EWHC 912 (KB)

The claimants, who carried on a business breeding falcons, made allegations of harassment and nuisance against their neighbour, who operated a small farm neighbouring their property. While the judge accepted some of the claimants’ criticisms of one of the defendants’ experts, he also noted that the claimants could not complain about the consequences of their putting in new evidence that was not in accordance with the timetable laid down at the CCMC.

The detail of this judgment is for experts who conduct capacity assessments. Two points arise of more general interest.

First, the expert, who had been involved in the case for six years, changed her opinion. In the language of the court it was a 180^o degree change. The court thought that this called for a greater discussion in the analysis section of the report. This seems to have been that section of the report for which experts use the heading ‘Facts and assumed facts’ or ‘Factual analysis’. Second, the expert suggested that the issues, or some of the issues, in the case could be resolved by invoking the inherent jurisdiction of the court. But there had been no application for the exercise of the court's inherent jurisdiction, it was not referred to in the letter of instruction, and it might not – as a matter of law – have been available. This is a good example of the advice to experts to leave the law to the lawyers.  

Calderdale Metropolitan Borough Council v LS [2025] EWCOP 10 (T3)

This is an important judgment for experts who prepare personal injury reports in the Republic of Ireland but also for all experts, in all of the jurisdictions in the British Isles, for its description of the judicial analysis of expert evidence. It deals with procedure in Ireland for the instruction of specialist medical experts through plaintiffs’ general practitioners.   

Lynch v Motor Insurers' Bureau of Ireland [2024] IEHC 587 

The father sought permission to rely on fresh evidence that he had a diagnosis of autism spectrum disorder in an appeal against care and placement orders made in respect of his daughter. The judge reviewed the law on admitting fresh evidence on appeal before applying it to the case.

Mr X accepted instructions to provide advice in property valuation despite not being an expert in that field. 

Kallakis v Kallakis [2023] EWHC 2148 (Comm)