There isn't a set time limit or requirement for the judge to sign the decree. I've seen it happen anywhere between two days and two months. Has the 90-day wait period expired? If it has not, then the court is waiting for that. If for some reason the court rejects your filings, you should find an attorney to assist you.
As long as the judge needs. Budget cuts have created huge backlogs in many courts.
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According to the judicial code they have 60 days to sign a final order or make a decision if all the necessary paperwork has been submitted. Sometimes a call to the clerk helps.
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