You already have a lawyer; I would suggest having him call courthouses in different counties (or checking their web sites) to see if she ever obtained a permanent restraining order in an improper venue or even in your own courthouse but without notice to you. Also have your attorney go in and check the Court's file for your case HIMSELF. If he won't go, go in YOURSELF and look for it.
If you can get the law enforcement agency to give you information about the information they have on file, you may find it's a person with your name, but doesn't fit your description or lived someplace you never lived. If that is the case, then you will need your attorney to find a way to ensure that the police don't keep confusing you with this other guy.
Once the RO expires, I am under the impression the order is no longer enforceable, but remains in the database as a reference point so police will know when they may be dealing with a potentially dangerous person.
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