To file for divorce on the grounds of desertion, one spouse must have willfully abandoned the other without a just cause for at least one year. A lawyer can help establish that the desertion was intentional and continuous.If a spouse is convicted of a felony and sentenced to confinement for more than one year, this can serve as grounds for divorce. Grounds for Divorce in fairfax Documentation of the conviction and sentence is critical, and a lawyer can assist in obtaining and presenting these records.