03 June 2026 Sean Mosby 586 Case Updates Gary Alexander MacDougall v Lloyd Philip Thomas & Ors [2026] EWHC 1142 (Ch) by Sean Mosby Summary The case focussed on the validity of a will and codicil made by a wealthy lady, Mrs MacDougall, as well as a number of substantial gifts and transactions made in the years before her death. Both parties called experts in Old Age Psychiatry to provide evidence on issues of testamentary capacity, as well as Mrs MacDougall’s vulnerability to undue influence. Learning points When drafting your report, keep in mind what material might assist the court. For example, in this case the judge noted that a summary of the material medical records (and key events) had been particualrly helpful. The court is likely to appreciate the efforts of experts who work effectively together to establish the points of agreement and disagreement between them. To continue reading you must be an EWI member, become a member and access exclusive content. Already a member? Login More links Link to the Judgment Share Print Tags 11. Report Writing13. Experts Discussions and Joint Statements Related articles Regal BA Limited v Jun Zhang [2026] EWHC 1446 (Ch) Advocate Economists and the Competition Appeal Tribunal EWI Annual Conference 2026: Opening keynote tackles the use of AI in Expert Reports Do not leave it until cross-examination to reveal your true opinion Take care not to conflate your role as a contractor with your duties as an expert witness Comments are only visible to subscribers.