This year’s Annual Conference discussed AI, independence, credibility, transparency and the changing expectations on expert witnesses.

“If an Expert, a lawyer, an accountant, an engineer, a doctor produce inaccurate or unreliable opinions or use hallucinatory references, they are likely to be liable in negligence, whether they’ve used AI or not.” Sir Geoffrey Vos KG, Master of the Rolls

The Court excluded consideration of the expert testimony of an expert on the dangers of AI and misinformation, after he submitted an expert declaration which included fake AI-generated citations to two academic articles.

Kohls v. Ellison, 2025 WL 66514 (D. Minn. Jan. 10, 2025)

The barrister for the Claimant was unable to explain to the court's satisfaction why she had cited several non-existent cases in pleadings. The case was referred to the High Court for its consideration which commented on the use of artificial intelligence in court proceedings.

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.

In the 11th episode of the Expert Matters Podcast, we take a look at how AI is being used by Expert Witnesses. We discuss general developments related to AI in the legal sector, hear from EWI member and computer expert Richard Marshall, listen to some of the ways AI is currently being used by Expert Witnesses, and discuss some dos and don'ts when using AI. As usual, we begin with our segment on 'What's going on at EWI?' and end with 'Newsreel', a quick fire discussion of the key things you need to know this month. 

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. 

Our annual conference is always a highlight in the Expert Witness Institute calendar. This year’s event, which took place on 17^th May, saw The Rt. Hon. Sir Keith Lindblom deliver a captivating opening keynote.

A new report, released by the Technology and Law Public Policy Commission at the beginning of June, examines the challenges in the use of algorithms and suggests key recommendations.