08 September 2026 Sean Mosby 46 Case Updates KS v The Secretary of State for the Home Department (Immigration and Asylum Chamber) Appeal Number: PA/64221/2024 by Sean Mosby Summary 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. Learning points Learning points for instructing parties Carefully consider whether the expert you are proposing to instruct has the qualifications, experience, and credibility to provide expert evidence that will assist the court. Make sure that you understand the expert evidence you submit and ensure counsel is thoroughly briefed on it. Learning points for experts Do not advocate for your client or make suppositions based on generic evidence. Make sure your opinion is accurately sourced. Where you reference a source, it may be helpful to the court for you to identify the parts of the document which you relied on in forming your opinion. Be wary of small, non-material errors in your report, such as duplicating references. 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 Immigration and asylum07. Receiving Instructions06. Rules and Regulations11. Report Writing08. Working with Instructing Parties Related articles Cleveland Potash Limited v The Honourable Mrs Ferelith Drummond & Ors [2026] EWHC 1182 (Ch) A Day in the Life of an Occupational Therapy Expert Witness Expert Report or MG11 form? Handling future work arising from an existing instruction through a third-party you no longer have a contractual relationship with Lorimer-Wing v Hashmi [2026] EWHC 1843 (Ch) Switch article ERE Pledge is now under the custodianship of the Expert Witness Institute Previous Article Comments are only visible to subscribers.