Once an annulment or nullity petition is filed, the case does not move straight to trial. The rule builds in a stage most ordinary civil cases do not have — an independent check, by a public prosecutor, on whether the spouses are simply cooperating to end the marriage rather than genuinely contesting it. This page walks through what happens between filing and that check clearing.
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If your spouse cannot be located, the court can approve service by publication
Summons is generally served under the ordinary Rules of Court, but where the respondent's address is unknown and cannot be found despite diligent inquiry, the court may allow service by publication once a week for two consecutive weeks in a newspaper of general circulation, together with a copy sent by registered mail to the respondent's last known address. The published order must state the case title, docket number, nature of the petition, its principal grounds and reliefs sought, and direct the respondent to answer within thirty days of the last issue of publication.
A.M. No. 02-11-10-SC, the Rule on Declaration of Absolute Nullity of Void Marriages and Annulment of Voidable Marriages (2003), Section 6. Read the source →
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Your spouse has fifteen days to answer — or thirty days if served by publication — and cannot be defaulted
The respondent must file a verified answer within fifteen days of being served summons personally, or within thirty days of the last issue of publication if served that way, and the answer must be verified by the respondent personally rather than by counsel. Even if no answer is filed at all, the court cannot declare the respondent in default — the case still has to be tested on its merits.
A.M. No. 02-11-10-SC, the Rule on Declaration of Absolute Nullity of Void Marriages and Annulment of Voidable Marriages (2003), Section 8. Read the source →
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A public prosecutor gets one month to report on whether the spouses are colluding
Where no answer is filed, or the answer filed raises no real issue, the court orders the public prosecutor to investigate whether the parties are in collusion. The prosecutor has one month from receiving that order to submit a report to the court stating the finding, with copies served on the parties and their counsel. If the report finds collusion, the court holds a hearing on it and dismisses the petition if convinced the parties are colluding; if it finds none, the case is set for pre-trial and the prosecutor continues to represent the State's interest at that stage.
A.M. No. 02-11-10-SC, the Rule on Declaration of Absolute Nullity of Void Marriages and Annulment of Voidable Marriages (2003), Section 9. Read the source →
The collusion check exists because these cases are not adversarial in the usual sense — a spouse's cooperation with the case, rather than opposition to it, is exactly what a genuine investigation is meant to test for. A report finding collusion is not the end of the case outright; the court still holds a hearing before deciding what to do with the finding.