You can refile it with proper service.

A dismissal (in the states where I am licensed) is deemed without prejudice unless stated otherwise. You can file a motion to reinstate the...

No. Although you can go ahead and file anyway to see if judge will consider. Better to file a motion to file it.

While it may have been a crime, the police are not likely to take any action.

An attorney does not have to give advance notice they will be appearing.

Oppose the motion, in writing, with the facts and evidence.

Objecting will not get you anywhere, even though you are correct.

While such a threat could be a lawsuit, based in these facts a jury would likely find against you.

You can object to it and point out the factual problems with it, such as the date.

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Al you can do is follow the rules yourself.