Quick answer

Annulment and declaration of nullity are different legal remedies under Philippine law. A declaration of absolute nullity applies when the marriage is void from the beginning—for example, because of certain defects in the essential or formal requisites of marriage, a prohibited relationship, bigamy, or psychological incapacity under Article 36 of the Family Code. Annulment, on the other hand, applies to a marriage that was legally valid when celebrated but is voidable because one of the specific grounds in Article 45 existed at the time of the marriage. (eLibrary)

Neither remedy is granted simply because the spouses have separated, no longer love each other, agree that the marriage should end, or have been living apart for many years. The petitioner must prove a legally recognized ground with competent evidence. In Article 36 cases, the Supreme Court now requires clear and convincing evidence of psychological incapacity. (eLibrary)

The distinction matters because the grounds, deadlines, persons entitled to sue, evidence, property consequences, and effects on children can differ substantially. A person considering either remedy should identify the correct legal ground before filing rather than treating “annulment” as a generic term for ending a marriage.

Annulment and declaration of nullity are not the same

A void marriage is legally defective from its inception. But when a person intends to remarry, Article 40 of the Family Code requires a final judgment declaring the previous marriage void before its nullity may be relied upon for that purpose. A person should therefore never assume that being in a supposedly void marriage automatically gives legal capacity to marry someone else. (eLibrary)

A voidable marriage, by contrast, remains valid unless and until a competent court annuls it. Some grounds can also be lost through ratification, such as when the injured spouse freely continues living with the other spouse after the relevant defect has disappeared or become known. (eLibrary)

Remedy	Basic legal character	Typical grounds	Filing period
Declaration of absolute nullity	Marriage is void from the beginning	Article 36 psychological incapacity; certain marriages without essential or formal requisites; bigamy; incestuous or other prohibited marriages	An action or defense for absolute nullity does not prescribe
Annulment	Marriage is valid until annulled	Lack of required parental consent for a party aged 18 to below 21 at marriage; unsound mind; statutory fraud; force, intimidation or undue influence; incurable physical incapacity to consummate; serious and apparently incurable sexually transmissible disease	Specific deadlines under Article 47 apply

Republic Act No. 8533 expressly provides that an action or defense for declaration of absolute nullity does not prescribe. Annulment cases are different: missing an Article 47 deadline can defeat the action. (eLibrary)

Grounds for declaration of absolute nullity

Marriages void because of defects or legal prohibitions

Article 35 of the Family Code identifies several marriages that are void from the beginning. These include marriages where either party was below 18; marriages solemnized by a person without legal authority, subject to the statutory good-faith exception; marriages without a required marriage license unless a legal exemption applies; bigamous or polygamous marriages not falling within Article 41; marriages contracted through mistake as to the identity of the other party; and certain subsequent marriages that are void under Article 53. (eLibrary)

Articles 37 and 38 separately make certain incestuous marriages and marriages prohibited for reasons of public policy void from the beginning. These provisions cover specified relationships by blood, adoption, affinity, and other relationships expressly identified by the Family Code. (eLibrary)

A supposed absence of a marriage license should not be alleged casually. Some marriages are legally exempt from the license requirement. Where the claim is that no license was ever issued, the Supreme Court has emphasized the importance of obtaining proper evidence from the Local Civil Registrar, which is the official custodian of marriage-license records. A certification from an office that is not the proper custodian may be inadequate. (eLibrary)

Psychological incapacity under Article 36

Article 36 applies when, at the time the marriage was celebrated, either spouse was psychologically incapable of complying with the essential marital obligations of marriage, even if the incapacity became manifest only afterward.

The controlling modern doctrine is Tan-Andal v. Andal. The Supreme Court substantially clarified the law and rejected the idea that psychological incapacity must necessarily be proved as a medically diagnosed mental disorder. Psychological incapacity is a legal concept, not simply a psychiatric diagnosis. Expert testimony from a psychologist or psychiatrist can be useful, but it is not indispensable in every case. (eLibrary)

What must be proved is a genuinely enduring aspect of the spouse's personality structure that produces serious dysfunction in performing essential marital obligations. The incapacity must be grave enough to amount to inability—not merely unwillingness, neglect, difficulty, incompatibility, immaturity, occasional misconduct, or a bad marriage. It must also be traceable to a condition already existing when the marriage was celebrated, although its outward manifestations can appear later. The Supreme Court requires the case to be established by clear and convincing evidence, a standard higher than ordinary preponderance of evidence. (eLibrary)

This means that adultery, abandonment, gambling, alcoholism, drug use, violence, financial irresponsibility, refusal to communicate, or repeated failure to support the family does not automatically establish Article 36. Such conduct can be important evidence, but the court must determine from the totality of the evidence whether it demonstrates the legally required psychological incapacity.

Evidence does not have to come exclusively from professionals. People who knew the spouse before and during the marriage—parents, siblings, relatives, friends, colleagues, or other witnesses with personal knowledge—may provide important evidence about longstanding behavioral patterns. Recent Supreme Court decisions continue to apply the more evidence-focused framework established in Tan-Andal. (eLibrary)

Bigamous marriages

A marriage contracted while a prior valid marriage remains subsisting is generally void under Article 35(4), subject to the statutory rules governing presumptive death and other legally recognized circumstances.

Standing to bring a direct nullity case on the ground of bigamy has an important qualification. In Quirit-Figarido v. Figarido, the Supreme Court En Banc held that the remedy belongs to an aggrieved or injured innocent spouse. A person who knowingly created the bigamous situation cannot necessarily use his or her own wrongdoing as the basis for obtaining a declaration that would free that person to remarry. Depending on the facts, the injured spouse of the prior marriage or an innocent spouse in the subsequent marriage may have standing. (eLibrary)

This is a technical area where foreign divorces, prior marriages abroad, presumptive-death proceedings, and the nationality of the spouses can materially change the analysis.

Grounds and deadlines for annulment

Article 45 provides an exclusive set of grounds that must have existed when the marriage was celebrated. Article 47 determines who may sue and when.

Ground	Important requirement	Filing rule
No required parental or substitute parental consent	The affected party was 18 or over but below 21 when married	The affected party may file within five years after turning 21; the parent, guardian, or person having legal charge may file before the party turns 21
Unsound mind	One spouse was of unsound mind when the marriage was celebrated	The sane spouse without knowledge, or specified relatives/guardians, may sue within the periods stated in Article 47; the affected spouse may sue during a lucid interval or after regaining sanity
Fraud under Article 46	The fraud must be one specifically recognized by the Family Code	Injured party: within five years after discovery
Force, intimidation, or undue influence	Consent to marry was obtained through the prohibited pressure	Injured party: within five years after the force, intimidation, or undue influence disappeared or ceased
Physical incapacity to consummate	Incapacity must continue and appear incurable	Injured party: within five years after the marriage
Serious and apparently incurable sexually transmissible disease	Condition existed when the marriage was celebrated	Injured party: within five years after the marriage

(eLibrary)

For fraud, Article 46 is narrower than many people expect. It covers specified circumstances such as nondisclosure of a previous final conviction for a crime involving moral turpitude; concealment by the wife that she was pregnant by another man at the time of marriage; concealment of a sexually transmissible disease existing at marriage; and concealment of drug addiction, habitual alcoholism, homosexuality, or lesbianism existing at marriage. The statute expressly says that other deceit concerning character, health, rank, fortune, or chastity is not the type of fraud contemplated by this annulment ground. (eLibrary)

The statutory wording should be understood carefully: for the matters listed in Article 46, concealment existing at the time of marriage is the issue. Sexual orientation by itself does not automatically make a marriage void or voidable.

Ratification also matters. For several Article 45 grounds, voluntarily living together as spouses after the relevant disability has ended or after the fraud or coercion has become known can prevent annulment on that ground. Anyone close to an Article 47 deadline should obtain legal advice promptly rather than assume the period can be extended.

Where the case is filed

Family Courts have exclusive original jurisdiction over actions for annulment and declaration of nullity. In places without an established Family Court, the Regional Trial Court exercises the jurisdiction assigned by law. (eLibrary)

Under A.M. No. 02-11-10-SC, the petition is generally filed in the Family Court of the province or city where either the petitioner or respondent has been residing for at least six months before filing. If the respondent is a nonresident, the rule provides for filing where the respondent may be found in the Philippines, at the petitioner's election. (eLibrary)

The Supreme Court has tightened verification of the residence requirement. The petition must accurately state the parties' addresses, and supporting proof of residence is required under the Court's guidelines. Using a temporary or fictitious address merely to obtain a supposedly faster or more favorable court is a serious mistake and can lead to dismissal or other consequences. (eLibrary)

What happens after a petition is filed

The process is judicial and adversarial even when the other spouse does not oppose the case. In practical terms, the major stages are:

Identify the proper ground and prepare the verified petition. The petition should state the material facts supporting the legal ground and address children, property, residence, and other matters required by the special rule. In Article 36 cases, the factual allegations should explain the claimed psychological incapacity rather than merely attach a diagnostic label.
Comply with current filing requirements. Since 2025, annulment and declaration-of-nullity cases are expressly covered by Rule 13-A on electronic filing and service. An initiatory petition remains subject to the prescribed primary manner of filing, together with the required electronic transmittal. The Supreme Court's current trial-court guidance requires PDF transmission to the court's official email within the applicable period; subsequent covered filings are generally handled electronically. (eLibrary)
Serve summons on the respondent. If the respondent's whereabouts genuinely cannot be determined after diligent inquiry, the court may authorize service by publication under the special rule. Publication is not a shortcut for inadequate attempts to locate the other spouse. (eLibrary)
Allow the respondent to participate. The respondent's failure to answer does not result in an ordinary default judgment. Marriage cases cannot simply be won because the other spouse remains silent. (eLibrary)
Undergo the State's collusion safeguards. The public prosecutor participates to determine whether the spouses fabricated evidence, suppressed defenses, or improperly coordinated the case. The spouses' mutual wish to end the marriage, the respondent's failure to oppose, or the respondent's failure to answer does not by itself establish collusion. Actual collusion concerns an agreement to mislead the court through false or suppressed evidence. (Supreme Court of the Philippines)
Attend mandatory pre-trial and trial. The petitioner must present admissible evidence establishing the legal ground. The court cannot grant the petition merely because both spouses sign an agreement admitting that the marriage should end. (eLibrary)
Wait for finality and complete post-judgment requirements. A favorable decision does not instantly mean that every civil-registry and property requirement has been completed. The special rule governs entry of judgment, liquidation where applicable, issuance of the decree, and registration with the relevant civil registries. A person intending to remarry should complete these steps and obtain the appropriate final records before doing so. (eLibrary)

Appeal deadlines are strict

Under the special rule, a party intending to appeal must first file a motion for reconsideration or motion for new trial within 15 days from notice of judgment. Filing that motion is a precondition to an appeal. If it is denied, the aggrieved party or the Solicitor General may file a notice of appeal within 15 days from notice of the denial. (eLibrary)

The actual deadline should be computed from the legally effective date and manner of service in the particular case. Because current rules include electronic service, parties should not estimate deadlines informally from the date printed on a decision.

Evidence worth preserving before filing

The exact evidence depends on the ground, but a good case usually begins with original or certified civil-registry documents and a careful factual chronology. Preserve your PSA marriage certificate and relevant birth certificates; marriage-license or Local Civil Registrar records; lawfully obtained messages, emails, photographs, financial and property records; medical records when genuinely relevant; police, barangay, court, or administrative records connected with material events; and the names and contact details of witnesses with personal knowledge.

For Article 36, prepare a detailed timeline reaching back to the period before the marriage, not merely a collection of events that happened after the relationship deteriorated. Identify specific repeated conduct showing inability to perform essential marital obligations and witnesses who personally observed the spouse's longstanding behavior.

A psychological evaluation may strengthen an Article 36 case when it is well grounded in facts, but obtaining one does not guarantee success, and the absence of an expert report is not automatically fatal under Tan-Andal. (eLibrary)

For an alleged missing marriage license, obtain evidence from the correct civil registrar and first determine whether the marriage fell within a statutory license exemption. (eLibrary)

Do not manufacture conversations, rehearse false testimony, alter records, or agree with the other spouse to conceal unfavorable evidence. The prosecutor's participation exists specifically to guard against collusion, fabricated evidence, and suppression of evidence. (eLibrary)

Children, support, custody, and property

An annulment or declaration of nullity is not merely a change in marital status. The proceedings can involve custody, child support, spousal support while the action is pending, visitation, property administration, and ultimately the legal consequences applicable to the parties' property regime. Article 49 authorizes the court to make appropriate provisional arrangements concerning support, custody, and visitation in the absence of adequate arrangements between the parties. (eLibrary)

Property consequences are highly ground-specific. Void marriages may be governed by Articles 147 or 148, while annulled marriages and particular subsequent marriages may involve the liquidation rules in Articles 43 and 50 to 52. There is no safe universal rule that every case simply results in a “50-50 split.” Titles, contributions, good or bad faith, marriage settlements, existing debts, creditors, and the particular ground for the judgment can matter. (eLibrary)

The effect on children is also more nuanced than the common belief that nullity automatically makes every child illegitimate. Article 54 specifically protects children conceived or born before the judgment of annulment or an Article 36 declaration of nullity becomes final and executory. In 2025, the Supreme Court reaffirmed that a declaration of nullity based on psychological incapacity does not strip a child of the legitimate status protected by Article 54. Children of the subsequent marriage contemplated by Articles 53 and 54 also receive the statutory protection stated there. Other void-marriage situations should be analyzed separately rather than generalized. (eLibrary)

Do not remarry merely because you won in the trial court

Obtaining a favorable decision is not the same as being immediately free to marry.

The decision must become final; any appeal period must be dealt with; the entry of judgment and decree must be issued as required; property-related requirements must be completed when applicable; and the appropriate civil-registry registrations and annotations must be made. The special rule expressly requires registration of the entry of judgment with the civil registry where the marriage was recorded and with the civil registry where the Family Court granting the petition is located. (eLibrary)

For purposes of contracting another marriage, Article 40 makes a final judicial declaration of the previous marriage's nullity essential. (eLibrary)

Common mistakes that can damage a case

Calling every case an “annulment” is the first problem. Article 36 is a declaration-of-nullity case, not an Article 45 annulment. Another frequent error is assuming that infidelity, separation, abuse, abandonment, irresponsibility, incompatibility, or loss of affection automatically constitutes psychological incapacity. Those facts may be evidence, but the required legal elements still have to be proved.

Other serious mistakes include filing an Article 45 case after the applicable deadline; continuing free marital cohabitation in circumstances that legally ratify a voidable marriage; using an address solely to manufacture venue; relying on an improper certification to prove that no marriage license existed; assuming the respondent's silence guarantees victory; fabricating or coordinating evidence with the other spouse; treating a psychiatric diagnosis as an automatic Article 36 ground; and remarrying before the judgment, decree, and required registrations are complete.

When legal help is particularly urgent

Prompt advice is especially important when an Article 47 filing period may soon expire; there is current violence, coercion, or an immediate child-safety or support issue requiring remedies independent of the marital-status case; one spouse is gravely ill; the respondent has disappeared or lives abroad and service may be complicated; a remarriage is being planned; substantial real estate, businesses, debts, or other assets are involved; there is a prior foreign marriage or foreign divorce; or the marriage may be bigamous.

Death can also have procedural consequences. Under the special rule, if a party dies before entry of judgment in the direct nullity or annulment proceeding, the case is generally closed and terminated; if death occurs after entry of judgment, the judgment binds the parties and their successors in interest in the estate. This is one reason serious illness should not be ignored when a case is pending. (eLibrary)

Frequently asked questions

Can we get an annulment simply because both of us agree?

No. Agreement to end the marriage does not supply a statutory ground. The court still requires evidence proving annulment or nullity. The Supreme Court has clarified, however, that merely wanting the marriage to end or declining to oppose the petition does not automatically constitute prohibited collusion. Collusion involves an improper agreement to fake or misrepresent facts or suppress legitimate evidence or defenses. (Supreme Court of the Philippines)

Is adultery by itself a ground for annulment?

No. Adultery is not one of the six Article 45 grounds. Depending on the facts, related conduct could have relevance to another legally recognized remedy or could form part of the evidence in an Article 36 case, but infidelity alone does not prove psychological incapacity.

Is abandonment a ground for annulment?

Not by itself. Long-term abandonment can be highly relevant evidence in an Article 36 case, but the petitioner must connect it, together with the other evidence, to a grave and enduring psychological incapacity existing at the time of marriage.

Do I need a psychiatrist or psychologist for psychological incapacity?

Not necessarily. Tan-Andal makes clear that psychological incapacity is a legal concept and that expert testimony is not indispensable. The case must nevertheless be supported by clear and convincing evidence. In an appropriate case, a competent expert can still be valuable. (eLibrary)

How long must spouses be separated before they can file?

There is no general rule that spouses must first be separated for a fixed number of months or years. The important question is whether a legal ground exists and, for annulment, whether the applicable filing period has been observed.

Does a declaration of nullity have a filing deadline?

As a general rule, no. Article 39, as amended by Republic Act No. 8533, provides that the action or defense for declaration of absolute nullity does not prescribe. Annulment under Article 45 is different and is subject to the specific periods in Article 47. (eLibrary)

If my spouse refuses to participate, can the case continue?

Potentially, yes. The respondent cannot necessarily stop a case simply by refusing to answer or attend. But there is no automatic default judgment in annulment and nullity cases. The petitioner must still prove the case, and the State participates to protect against fabricated evidence or collusion. (eLibrary)

Will our children become illegitimate if the marriage is annulled or declared void?

Not automatically. Article 54 expressly preserves legitimacy in specified situations, including children conceived or born before a judgment of annulment or Article 36 nullity becomes final and executory. The precise effect of other grounds of nullity depends on the applicable Family Code provisions and the child's circumstances. (eLibrary)

Can I remarry immediately after receiving a favorable decision?

No. Do not rely merely on receipt of the trial court's decision. Finality, entry of judgment, the decree, applicable property requirements, and civil-registry registration must be completed as required. Article 40 also requires a final judgment declaring a previous void marriage null when its nullity is invoked for purposes of remarriage. (eLibrary)

Official sources

General-information disclaimer

This article provides general information about Philippine law and is not a substitute for legal advice on a particular marriage, family situation, property regime, or court case. Annulment and declaration-of-nullity cases are highly fact-dependent, and special rules may apply to foreign marriages or divorces, Muslim marriages, bigamous marriages, property disputes, and cases involving children. Court rules and filing requirements should be checked against the requirements of the court handling the case.

Sources and current procedural rules checked as of August 25, 2026.