Informed consent expert witnesses have years of experience in informed consent in the medical field. informed consent is a communication between you and the medical provider that allows you to ask questions and agree to or deny treatment. The professionals on this list may provide litigation assistance and expert witness testimony on cases involving the process of providing information about certain treatments and procedures before performing them. They may have backgrounds in anesthesiology, hematology, internal medicine, oncology, oral surgery, emergency medicine, or other fields. An informed consent expert witness may assist lawyers and insurance companies with cases that involve misinformation, treatment reactions, medical malpractice, injury, or unforeseen errors.