For thirty years, "checking MAUDE" has been shorthand for post-market vigilance in the medical device industry. It is the database regulatory teams cite in literature searches, the tool clinical affairs pulls up before a submission, the first stop for anyone trying to understand how a device is behaving once it leaves the controlled world of a clinical trial and enters the far messier world of actual patients. By the end of May 2026, it will not exist in its current form.