Amanda Wager wrote the article Urology malpractice consult: The deposition process. Once a medical malpractice lawsuit is filed, there are often many unknown facts and issues in the case. What does the opposing party have to support their allegations or defenses? Who are they going to call as a witness? What is that witness going to say? Depositions are an essential and helpful part of our legal adversarial system. In short, a deposition is a question-and-answer process in which a witness provides an oral statement before trial, under oath.