If you were convicted of a disorderly person or petty disorderly person offense (also known as a misdemeanor) in New Jersey, you may be eligible to expunge your conviction. A disorderly person offense is an offense punishable to up to six months in jail. A petty disorderly persons offense is punishable to up to 30 days in jail. Generally these offenses are minor and range from, assault, shoplifting or theft under $200, minor drug charges and disorderly conduct.