Definition - What does Final Decree mean?
A final decree is the last judgment in a divorce and signifies the final step. The decree itself is the statement given by a judge that a marriage was legally terminated. The finality of it is marked in this way to indicate that no other dealings or court interactions will be necessary for the divorce, and that from that date the divorce is in effect.
Justipedia explains Final Decree
The length of time it takes to obtain a final decree varies depending on the complexity of the divorce proceedings. If both spouses agree to all terms, the decree can be quickly obtained. If they do not, then it could take years.