The RICS has recently published the 5th edition of its Surveyors acting as expert witnesses professional standard (‘standard’). We participated in the RICS consultation on the draft standard, and we are pleased to note that most of the issues we raised have been addressed in the final published standard and practice guidance. However, we continue to have concerns that the standard and the practice guidance may have the potential to mislead experts into not fully complying with the applicable rules and regulations. 

The Appellant, a citizen of Tajikistan, was appealing the Respondent’s decision to refuse his protection claim. The Judge gained the distinct impression that the Appellant’s expert witness was simply advocating on behalf of the Appellant, rather than assisting the Tribunal by providing a critical, objective expert opinion on the context. In doing so, he trespassed into the role reserved for the Tribunal.

Clare Cole is an Occupational Therapist with nearly 17 years of clinical experience, who now works as an Expert Witness in the medico-legal field. Specialising in neurological occupational therapy, Clare takes on cases spanning stroke, brain injury, cauda equina syndrome, and personal injury. Here, she shares how she found her way into the role, what she loves about it, and what she wishes she had known at the start.

The proceedings related to a petition asserting unfair prejudicial conduct of the affairs of a company. The expert witness who provided valuation evidence, wrote to the court three months after the trial expressing concerns about his own valuation report.

The judgment dealt with the defendant's application for reverse summary judgment or to strike out the claimant's claim and the claimant's application to strike out the defendant's application and for a stay of related proceedings. The claimant attempted to submit a non-compliant report as 'independent expert evidence' to support his application without obtaining permission to do so.

Cam Askan v HM Land Registry [2026] EWHC 1352 (Ch)

This month on the Expert Matters Podcast, we discuss acting for litigants in person. The accessibility of tools like generative AI is making litigation more accessible to unrepresented parties and it is increasingly likely that experts will be approached by litigant in person. We provide some advice for experts approached by a litigant in person and discuss how an expert should deal with the  situation where their previously represented party becomes a litigant in person. 

The trial dealt with liability issues relating to the alleged use of prohibited defeat devices. That is, devices which reduce the effectiveness of a vehicle’s emission control system for which there is no excuse or applicable exception. The judge criticised three of the expert witnesses for not complying with their duties under Part 35, and praised others.

The Claimant brought a claim in negligence against the Defendant, a dental practitioner, about the Defendant’s alleged failure to provide her with adequate advice about the risks and benefits of the treatment options available to her. The Claimant’s expert lacked understanding of the Bolam test, had not considered the dental notes, and was forced to make significant concessions in the joint report.

The Claimant alleged that the Defendant was in breach of the agreement between the parties for the supply of single alpha chain collagen. The judge was critical of the Claimant’s expert witnesses, in particular noting that he would have had to direct further accounting expert evidence be produced, if the evidence had been required.

In the fifth article in the Working with expert witnesses series, Richard Lodge a Partner at Stewarts, discusses his experience of working with Single Joint Experts.