It’s impossible to ignore Artificial Intelligence (AI) which suddenly exploded into the public conscious a couple of years ago with the launch of ChatGPT. The term AI was actually coined in 1956, and some of the underlying mathematics has been around for centuries. What changed everything was the emergence of transformers, a technology that was developed at Google that has enabled software to interpret complex human language and offer a remarkable facsimile of intelligent dialogue.

AI is infiltrating almost every area of human endeavour, so it is inevitable that it will impact your practice as an expert witness. In this introductory article, AI practitioner and Expert Witness Dr Richard Marshall discusses: the power and pitfalls of AI tools, and how AI will affect the matters on which experts opine.

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)