QFI offers an unbiased Expert Witness service in support of:

• Defence/Prosecution
• Independent review
• Criminal/Civil
• Analytical investigation
• Liability/Negligence/Mitigation
• Low and High court actions
• Supreme court actions

Our specific areas of expertise include:

• A wide range of medical devices, especially high-risk, orthopaedic, cardiology, radiology, biomaterials, permanent implants, infusion & transfusion, medical electronics, active implantable devices, device-drug combinations, in vitro diagnostic products, animal tissue derived products and borderline devices
• Alleged breaches of the General product liability Directive and related Transposition in particular EU Member States, including alleged negligence
• Investigation of alleged device failure and malfunction
• Insurance claims
• Intellectual property disagreements
• Medical device toxicology
• Medical device clinical evaluation
• UK and EU medical device regulations
• Alleged device misuse
• Sterilisation and microbiology

Our Experts are registered with the Expert Witness Institute and other professional bodies and have participated in a variety of medico-legal, civil and criminal settings.

QFI expert witness offers specialised insight and opinions in various fields, furnishing unbiased assistance to a court and the legal profession in understanding complex medical device, personal protective equipment, cosmetic product and wide range of scientific, technical and regulatory issues and other areas.

We can serve as an objective party in legal proceedings able to explain complicated matters. We act on instructing counsel instructions while ensuring our primary duty to the court.

Our expert witness enables a court or non-specialist panel or jury to arrive at well-informed decisions on important matters in a case.

We fulfil highest conduct required whether assessing a case; formulating claims, counter claims and defences; challenging opposing experts; drafting discovery request and responses; reviewing evidence objectively and equitably; developing and refining case strategy; identifying, evaluating and determining conclusions; evaluating and responding to opposing claims and theories; research and fact-finding support; testimony.

Our expert witnesses maintain qualifications and experience to ensure we consistently deliver substantive expertise in the relevant subject matter.

Our conflict-of-interest procedures and ancillary code of conduct ensure possible objections, including Daubert challenges are avoided.

QFI expert witness produces reports according to the relevant jurisdiction.

QFI expert witness delivers testimony via depositions and at court; experience is at various courts, from lower court hearings, HM Coroner’s, sessional, high and supreme levels.

We formulate evidence either as single-, party-appointed or joint-expert, alternatively as expert advisor, the latter to advise on disputes.



Our documented procedures fulfil widely recognised guidance, including industry rulings, thereby reinforcing and growing reputation uberimae fidelis.

QFI expert witness has assisted in a wide range of cases, from medical device bio-materials, intellectual property, cardiovascular, catheterisation and interventional cardiology, vascular access, conformity and quality assurance, microbiology, sterilisation and infection matters, non-active surgical implants including mammary prosthesis and surgical reconstruction; as well as personal protective equipment, medical device insurance and market surveillance disputes.