In the intricate world of clinical negligence and personal injury litigation, expert witness testimony is often the cornerstone of a successful case. With over five decades of medical and surgical experience, I have had the privilege of supporting solicitors and claimants through the medico-legal landscape—providing expert analysis, clarity, and court-ready reports in matters where lives have been significantly impacted by surgical errors, diagnostic delays, and traumatic injury.
A Career Spanning General, Breast, and Trauma Surgery
My experience as a Consultant General Surgeon and former Lead Consultant at the Breast Unit of Homerton University Hospital NHS Foundation Trust has exposed me to a vast range of surgical procedures, both routine and complex. Over the years, my work has included:
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General and laparoscopic surgery
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Breast cancer misdiagnosis and surgical complications
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Hernia repair and post-operative trauma
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Urological procedures and misadventures
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Soft tissue damage following road traffic or workplace incidents
This wide-ranging expertise allows me to assess medical records and examine claimants with a critical but fair eye, identifying breaches in duty of care and evaluating the causation and long-term prognosis with precision.
Medico-Legal Reporting: Not Just a Report, But a Roadmap
Each report I produce is more than just a summary—it’s a roadmap for the legal team. I place a strong emphasis on:
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Clear reasoning: Stating how and why conclusions are reached.
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Objectivity: Whether instructed by claimants or defendants, my duty is to the court.
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Timely delivery: In urgent cases, reports can be turned around in as little as four weeks.
Approximately 70% of my caseload involves clinical negligence, while 30% comprises personal injury. From missed diagnoses to surgical complications, my goal is to provide robust, logical, and defensible opinions.
Understanding the Legal Process
Having written medico-legal reports for nearly 30 years and regularly attending Bond Solon and Expert Witness Institute events, I remain fully up-to-date with current legal standards. I have also contributed to teaching medico-legal practice at academic institutions, ensuring my approach aligns with both medical and legal expectations.
I routinely provide:
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Liability and causation reports (with or without examination)
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Condition and prognosis reports
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Court appearances as an expert witness
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Joint expert meetings and discussions
Why Early Consultation Matters
Early input from an experienced expert can save considerable time and cost. I am always happy to discuss a case before formal instruction—often helping solicitors assess whether a case is viable before committing significant resources.
Get in Touch
Whether you are preparing to issue proceedings or exploring the merits of a new claim, timely and well-constructed expert input can be a decisive factor. If you’d like to discuss a potential instruction, you can reach my office by phone or email.
Contact Details
📍 23 Crown Street, Harrow on the Hill, Middlesex, HA2 0HX
📞 Secretary: 020 8423 8236
📧 Email: markornstein@gmail.com
🩺 Consulting in London W1 & Guildford
