An expungement occurs when criminal conviction is cleared from your record. The practical result is that your record appears as though you were never convicted of the crime. You must apply for an expungement in the court in which you were convicted. Not all convictions can be cleared, and generally in the state of Ohio you must be a first offender, meaning this is the only serious offense on your record. Traffic offenses, including DUIs, cannot be expunged, nor can you have upper-level felonies, sex offenses, many offenses of violence, and certain other crimes expunged from your record.