Define: Expert Testimony

Expert testimony is the presentation of opinions or conclusions by individuals who possess specialised knowledge, training, or experience in a particular field relevant to a legal case. These experts, often called upon by parties in a lawsuit, provide their professional insights to assist the trier of fact (judge or jury) in understanding complex issues or technical matters beyond the scope of ordinary knowledge. Expert testimony can cover various disciplines, including medicine, engineering, forensic science, psychology, finance, and more. Courts typically admit expert testimony when the expert’s qualifications are established, and their opinions are deemed relevant, reliable, and helpful in resolving disputed issues in the case.

This site contains general legal information but does not constitute professional legal advice for your particular situation. Persuing this glossary does not create an attorney-client or legal adviser relationship. If you have specific questions, please consult a qualified attorney licensed in your jurisdiction.

This glossary post was last updated: 29th March 2024.