How long does a divorce stay active?
Divorce papers that have not been filed do not expire (whereas if a marital settlement agreement that has been filed but not ratified will be dismissed by the court for lack of record activity in 1 year). When you say you signed a petition I assume you also mean a marital settlement agreement.
Can you change your mind after you file for divorce?
If your divorce has already been finalized, but you and your ex-spouse wish to change your mind, there isn't very much you can do, besides remarry. However, if you are still early on in the divorce process and you change your mind, you can still request to withdraw your petition or sign a form for voluntary dismissal.
How long does it take to end a divorce?
Once the papers have been filed with the court, the question, "How long does an uncontested divorce take?" is completely out of the parties' hands. The amount of time it will take to finalize the divorce by having a judge approve and sign the judgment can take anywhere from six weeks to 12 months.