Quick answer

In Philippine law, annulment and declaration of nullity are different court cases:

Annulment applies to a marriage that was valid when celebrated but is voidable because of a ground existing at that time, such as lack of required parental consent, fraud, force, certain forms of incapacity, or a serious incurable sexually transmissible disease.
Declaration of absolute nullity applies to a marriage that was legally void from the beginning, such as certain underage, bigamous, incestuous, improperly solemnized, or psychologically incapacitated marriages.

Separation, abandonment, infidelity, incompatibility, violence, or the parties’ agreement to end the marriage does not automatically establish either remedy. The legal ground must be specifically alleged and proved in the proper Family Court. Until a judgment becomes final—and the required civil-registry and property steps are completed—the parties should not assume they are free to remarry.

Annulment and declaration of nullity are not the same

The distinction affects the available grounds, filing deadlines, evidence, status of children, property consequences, and who may bring the case.

Issue	Annulment	Declaration of nullity
Legal character of marriage	Valid until annulled	Void from the beginning
Main grounds	Article 45 of the Family Code	Articles 35, 36, 37, 38, 41, 44, and 53, as applicable
Filing deadline	Depends on the ground; strict periods apply	An action or defense generally does not prescribe
Proof required	Evidence of the particular Article 45 ground	Evidence of the particular cause of voidness
Court judgment needed	Yes	Yes when the validity of a prior marriage must be established for remarriage and other legal purposes

A void marriage is not converted into a valid one merely because the spouses lived together for many years or had children. Conversely, a valid but unhappy marriage cannot be annulled without a statutory ground.

Grounds for declaring a marriage void from the beginning

The Family Code identifies several kinds of void marriages. The facts and documents surrounding the celebration of the marriage are critical.

A party was below 18 years old

A marriage is void if either party was below 18 at the time of its celebration, even if a parent or guardian consented. Republic Act No. 11596 also prohibits child marriage and reinforced the State’s policy that persons below 18 cannot validly marry.

There was no authority, license, or valid ceremony

A marriage may be void when:

the solemnizing officer had no legal authority, unless either or both parties believed in good faith that the officer had authority;
there was no marriage license and no statutory exemption applied; or
the parties did not comply with the legal requirements of a marriage ceremony.

A missing copy in government records does not necessarily prove that no license was issued. The relevant local civil registrar’s certifications, the marriage documents, and evidence surrounding their issuance must be examined.

The license exemptions are narrowly defined. For example, the cohabitation exemption under Article 34 requires the parties to have lived together as husband and wife for at least five years without any legal impediment to marry each other during that entire period, together with the required affidavit and solemnizing officer’s sworn statement.

Bigamous or polygamous marriage

A marriage contracted while a prior marriage was still legally subsisting is generally void. A person should not rely merely on long separation, presumed abandonment, a private agreement, or a belief that the first marriage was defective.

There are limited rules for a spouse who remarries after the other spouse has been absent for the period prescribed in Article 41. Before remarrying under that provision, the present spouse must obtain a judicial declaration of presumptive death in the proper summary proceeding and must have the required well-founded belief that the absentee is dead.

A judicial declaration that an earlier marriage was void is ordinarily required before either party may validly marry again. Remarrying without resolving the first marriage may also create potential criminal exposure for bigamy, depending on the facts.

Mistake as to the other person’s identity

A marriage is void when one party was mistaken about the physical identity of the person he or she married. This does not cover ordinary deception about character, finances, social standing, prior conduct, or personal qualities.

Incestuous marriage

Marriages are void between:

ascendants and descendants of any degree; and
brothers and sisters, whether full-blood or half-blood.

Marriage against public policy

Article 38 treats specified marriages as void for public-policy reasons, including particular relationships between collateral blood relatives, step-relations, parents-in-law and children-in-law, adopting parents and adopted children, certain relatives by adoption, and parties where one killed the other’s spouse or one’s own spouse to marry the other.

Because Article 38 lists defined relationships, family trees, birth records, adoption records, and prior marriage records may be decisive.

Psychological incapacity under Article 36

Psychological incapacity is one of the most misunderstood grounds. It does not mean that every failed, loveless, abusive, or conflict-filled marriage is void.

Under the Supreme Court’s controlling interpretation in Tan-Andal v. Andal, G.R. No. 196359, May 11, 2021, psychological incapacity is a legal concept, not simply a medical diagnosis. The evidence must show a grave and enduring aspect of a spouse’s personality structure that:

existed at the time of the marriage, even if its serious manifestations appeared later;
makes the spouse genuinely incapable—not merely unwilling, neglectful, difficult, or ill-tempered—of understanding and performing essential marital obligations; and
is incurable in the legal sense in relation to the particular spouse and marriage.

The party invoking Article 36 must prove it by clear and convincing evidence. Expert testimony or a psychiatric diagnosis is not invariably required, although a qualified expert may be useful. The court may consider testimony from relatives, friends, colleagues, or others with direct knowledge of the spouse’s behavior before and during the marriage.

Adultery, drug use, alcoholism, financial irresponsibility, violence, abandonment, or refusal to provide support may be relevant manifestations, but none automatically proves psychological incapacity. The evidence must connect the conduct to the required enduring personality structure and inability to perform essential marital obligations.

A later marriage after failure to comply with Articles 52 and 53

After an annulment or declaration of nullity, the former spouses must comply with the required recording of the judgment, property partition and distribution, and delivery of the children’s presumptive legitimes where applicable. A subsequent marriage contracted without the compliance required by Articles 52 and 53 may itself be void.

Bad-faith termination of a presumptive-death marriage

Article 44 addresses a subsequent marriage contracted after a judicial declaration of presumptive death when both spouses acted in bad faith. The precise effect depends on the circumstances and the applicable provisions governing the subsequent marriage.

Grounds for annulment of a voidable marriage

Article 45 allows annulment only on the following grounds existing at the time of the marriage:

Lack of required parental consent. A party was at least 18 but below 21 and married without the consent of the parent, guardian, or person exercising substitute parental authority, unless the party freely cohabited with the other spouse after reaching 21.
Unsound mind. Either party was of unsound mind, unless that party, after regaining reason, freely lived with the other as spouses.
Fraud. Consent was obtained through one of the specific kinds of fraud recognized by Article 46.
Force, intimidation, or undue influence. Consent was obtained through conduct serious enough to overcome free choice, unless the affected party later freely cohabited with the other after the coercion ended.
Physical incapacity to consummate the marriage. Either party was physically incapable of consummation, the incapacity continued, and it appeared incurable.
Serious and apparently incurable sexually transmissible disease. Either party had such a disease.

These grounds should not be expanded by analogy. A petitioner must fit the facts within the wording and requirements of the law.

What fraud is sufficient for annulment?

Not every lie before marriage is legal fraud under Article 46. The provision recognizes:

concealment of a prior conviction by final judgment for a crime involving moral turpitude;
concealment by the wife that, at the time of marriage, she was pregnant by another man;
concealment of a sexually transmissible disease existing at the time of marriage, regardless of its nature; and
concealment of drug addiction, habitual alcoholism, or homosexuality or lesbianism existing at the time of marriage.

Other misrepresentations about character, health, rank, fortune, or chastity do not by themselves constitute Article 46 fraud.

This rule does not excuse abuse, coercion, or discrimination. It only defines the limited kinds of pre-marriage fraud that the Family Code recognizes as grounds for annulment.

Filing deadlines for annulment

Annulment claims can be lost by waiting too long. Under Article 47:

For lack of parental consent, the party may file within five years after reaching 21. The parent, guardian, or person with legal charge may file before the party reaches 21.
For unsound mind, the spouse who did not know of the condition—or a relative, guardian, or person with legal charge of the spouse of unsound mind—may file before either spouse dies. The affected spouse may file during a lucid interval or after regaining reason.
For fraud, the injured party must file within five years after discovering the fraud.
For force, intimidation, or undue influence, the injured party must file within five years after it ceased.
For physical incapacity to consummate or a serious incurable sexually transmissible disease, the injured party must file within five years after the marriage.

Free cohabitation after the problem has ended or become known can ratify a voidable marriage in the situations specified by law. The dates of discovery, recovery, cessation of force, resumption of cohabitation, and separation should therefore be documented precisely.

An action or defense to declare a void marriage absolutely null generally does not prescribe. That does not make delay harmless: records disappear, witnesses become unavailable, property is transferred, and inheritance or subsequent-marriage issues may arise.

Who may file?

Under A.M. No. 02-11-10-SC, a petition to declare a marriage void may be filed solely by the husband or wife, subject to Supreme Court rulings addressing special situations such as a spouse of a prior subsisting marriage challenging a later bigamous union.

An annulment petition is filed by the person authorized under Article 47 and the procedural rule. The proper petitioner depends on the ground and, in some cases, the petitioner’s age or legal capacity.

Heirs generally cannot commence a stand-alone nullity case after a spouse’s death under this procedural rule. They may, in an appropriate estate proceeding, challenge the claimed marital status when resolving succession rights. Standing is highly fact-sensitive, especially where a spouse has died or multiple marriages are involved.

Where is the case filed?

The petition is filed in the Family Court, meaning the Regional Trial Court branch designated as a Family Court where one exists. The Family Courts Act, Republic Act No. 8369, gives Family Courts exclusive original jurisdiction over petitions for declaration of nullity and annulment.

Venue is generally the province or city where either spouse has resided for at least six months immediately before filing. For a nonresident respondent, the petition may be filed where the petitioner resides. The six-month requirement concerns actual residence, not an address chosen merely for convenience.

Proof such as government-issued identification, utility bills, lease documents, employment records, or barangay records may be required. Filing in a place where neither spouse meets the residence rule can lead to dismissal.

What the petition must contain

The petition must be verified and personally signed by the petitioner. It should set out:

complete facts establishing the legal ground;
the parties’ identities, ages, citizenship, residences, and marriage details;
information about their children;
the parties’ property regime and known properties;
relevant agreements, if any;
the relief requested concerning custody, support, property, and presumptive legitimes; and
the required certification against forum shopping.

A petition based on psychological incapacity must allege complete facts showing its manifestations at the time of marriage, although outward manifestations may have emerged later. Merely reciting the words “grave,” “incurable,” or “psychologically incapacitated” is insufficient.

Copies must be furnished to the Office of the Solicitor General and the proper public prosecutor as required by the rule. A lawyer should check the current court’s filing method, documentary requirements, and assessed fees; these may vary with the relief sought and declared property.

How the court process generally works

1. Filing and assessment

The petition and attachments are filed in the proper Family Court, with court fees paid or an application for indigent-litigant treatment made when legally available. Filing fees are not necessarily limited to a single fixed amount; property-related claims and local assessments can affect the total.

2. Summons and response

The respondent must be formally served. If the respondent’s whereabouts are genuinely unknown and diligent efforts to locate that person have failed, the petitioner may ask the court for authorized service by publication. Publication is not an informal substitute for trying to find the respondent.

A respondent’s refusal to participate does not automatically produce a judgment for the petitioner.

3. Investigation for collusion

The public prosecutor investigates whether the spouses colluded to obtain the decree or fabricated evidence. The State participates because marriage is a legal status, not merely a private contract.

The spouses may agree on support, custody, or property issues, subject to law and court approval. They cannot privately agree that a statutory ground exists or bind the judge to declare the marriage void.

4. Mandatory pre-trial

Pre-trial is mandatory. The parties identify issues, witnesses, exhibits, possible stipulations, and related custody, support, and property concerns. Failure to appear or comply with court orders may have serious procedural consequences.

5. Trial and evidence

The petitioner must prove the legal ground even if the respondent admits the allegations or does not oppose the petition. The court cannot grant a judgment solely on a stipulation of facts or confession of judgment.

Witnesses may be examined and cross-examined. Documents must be properly identified and admitted; attaching them to the petition does not automatically make them evidence.

6. Judgment, reconsideration, and appeal

The judgment may grant or deny the petition and address property, children, support, custody, and related matters. A judgment does not become final immediately.

Under the special rule, a party seeking to appeal must first file a motion for reconsideration or new trial within the applicable period. Section 20 generally provides 15 days from notice of judgment for that motion, followed by the prescribed appeal period after notice of its denial. A missed deadline can forfeit appellate remedies, so counsel should act immediately upon receiving a decision.

7. Finality, liquidation, and registration

After the judgment becomes final, obtain the court’s entry or certificate of finality and comply with the judgment’s requirements. These may include:

liquidation, partition, and distribution of the spouses’ property;
delivery of the children’s presumptive legitimes when required;
registration of the judgment and related documents with the appropriate local civil registries;
registration with the relevant registries of property; and
annotation of the Certificate of Marriage with the Philippine Statistics Authority.

The PSA’s official guidance on annotation advises first checking with the Local Civil Registry Office where the marriage was registered to determine whether the supporting documents have been forwarded to the PSA.

Do not treat an unannotated court decision—or an oral statement that a case has been “granted”—as sufficient proof that every requirement for remarriage has been completed.

Evidence to preserve

Preserve original records and reliable copies as early as possible:

PSA marriage and birth certificates;
marriage-license application, license, affidavits, and local civil-registry certifications;
proof of each spouse’s age, civil status, residence, and citizenship;
prior marriage certificates, court judgments, death certificates, and foreign civil-status records;
medical records created at the relevant time;
communications, photographs, financial records, police or barangay reports, and employment records;
property titles, tax declarations, deeds, loan documents, bank records, inventories, and receipts;
school and medical records concerning the children;
a dated chronology of events before and during the marriage; and
names and current contact details of witnesses with personal knowledge.

Keep complete files rather than edited screenshots. Preserve dates, senders, recipients, and surrounding conversation. Do not secretly obtain records by hacking accounts, impersonating another person, or violating court orders or privacy laws.

For psychological-incapacity cases, witnesses who knew the spouse before marriage may be particularly important. Evidence should describe concrete, recurring conduct and its effect on essential marital obligations—not simply attach insulting labels to the other spouse.

Children, custody, and support

A decree does not end a parent’s duty to support a child.

The court must consider custody, support, and the children’s welfare separately from the dispute between spouses. The best interests of the child control custody decisions. Parents should not use access to children as bargaining leverage over property or the marriage case.

The effect on legitimacy depends on the legal basis and timing. Article 54 expressly treats as legitimate children conceived or born before the finality of a judgment annulling the marriage or declaring it void under Article 36. Children conceived or born of a subsequent marriage covered by Article 53 are likewise treated as legitimate. Other void-marriage situations may have different consequences under the Family Code.

A child’s status, surname, support rights, and succession rights should therefore be assessed from the exact ground and relevant dates—not from the word “annulled” used informally.

Property consequences

The result is not necessarily an automatic 50–50 division. The applicable rules can depend on:

whether the marriage was void or voidable;
the parties’ marriage date;
whether they had valid marriage settlements;
whether absolute community, conjugal partnership, or co-ownership rules apply;
each party’s good or bad faith;
the source and registration of each asset;
debts and obligations; and
the rights of children and third parties.

Article 50 applies specified liquidation rules to annulled marriages and certain void marriages. Articles 147 and 148 may govern property acquired during unions without a valid marriage, depending on whether the parties were legally capable of marrying each other.

Avoid selling, concealing, transferring, or encumbering disputed property to defeat the other party’s rights. The court may issue provisional orders, and questionable transfers can create separate civil, criminal, or contempt issues.

Annulment is different from legal separation and foreign divorce

Legal separation allows spouses to live separately and affects property and other rights, but it does not dissolve the marriage bond. Neither spouse becomes free to remarry.

Philippine law does not provide general absolute divorce for non-Muslim marriages. Different rules apply to marriages and divorces governed by the Code of Muslim Personal Laws.

If a valid divorce was obtained abroad and one spouse was a foreign citizen when the divorce was obtained, the Filipino spouse may have a remedy under Article 26 rather than annulment or Article 36. The foreign judgment and applicable foreign law must ordinarily be pleaded and proved in a Philippine proceeding before the divorce can be given effect and annotated here. Citizenship history and the exact foreign decree matter.

Common mistakes to avoid

Treating “annulment” as a general name for every way of ending a marriage.
Assuming long separation automatically dissolves the marriage.
Remarrying because a spouse has disappeared, without satisfying Article 41.
Filing an Article 36 case based only on infidelity, abandonment, or ordinary incompatibility.
Inventing or exaggerating psychological symptoms to fit a ground.
Assuming a psychologist’s report guarantees approval.
Believing the respondent’s consent, absence, or admission is enough.
Filing in a convenient city without meeting the residence requirement.
Missing an Article 47 prescriptive period or a post-judgment deadline.
Using an incorrect address to obtain publication instead of personal service.
Hiding children, property, debts, earlier marriages, or pending cases.
Treating a favorable trial-court ruling as final before finality and registration.
Remarrying before completing the civil-registry, property, and presumptive-legitime requirements.

Practical first steps

Obtain current civil-registry records. Secure PSA copies of the marriage certificate and relevant birth, death, and prior-marriage records.
Write a private chronology. Record dates, locations, witnesses, discoveries, separation, cohabitation, and major incidents.
Identify the possible statutory ground. Separate facts showing an unhappy marriage from facts that existed at or before its celebration.
Check deadlines immediately. This is crucial for fraud, coercion, incapacity to consummate, disease, and lack of parental consent.
Inventory children, assets, and debts. Include property held by corporations or other persons if either spouse claims a beneficial interest, but avoid unsupported accusations.
Preserve lawful evidence. Retain originals and complete electronic records.
Consult a Philippine family-law practitioner. Ask for a written assessment of the ground, venue, evidence, likely related issues, professional fees, court expenses, and post-judgment registration work.
Consider legal-aid eligibility. Qualified persons may inquire with the Public Attorney’s Office, the Integrated Bar of the Philippines legal-aid program, law-school clinical programs, or local legal-aid offices. Acceptance depends on eligibility, capacity, and possible conflicts.

No lawyer can ethically guarantee that a court will grant the petition or promise completion by a fixed date.

When legal help is urgent

Seek prompt legal assistance when:

an annulment filing period may soon expire;
a spouse is about to remarry or has already remarried;
a child or spouse faces violence, threats, stalking, or forced removal;
property is being sold, mortgaged, hidden, or transferred;
a spouse has died and inheritance or the validity of another marriage is disputed;
you received summons, a court decision, or an order with a deadline;
the respondent is abroad or cannot be located;
a foreign divorce, foreign marriage, or change of citizenship is involved; or
documents appear falsified or inconsistent.

If there is immediate danger, prioritize physical safety and contact law enforcement, the barangay VAW Desk, the Department of Social Welfare and Development, or counsel about protection remedies. A person does not need to wait for an annulment or nullity case before seeking protection from violence or claiming support.

Frequently asked questions

Can both spouses simply agree to an annulment?

No. They may choose not to contest some issues, but they cannot create a legal ground by agreement. The court must independently evaluate admissible evidence, and the prosecutor investigates possible collusion.

Is adultery by itself a ground for annulment?

No. It may have other legal consequences and may be relevant evidence in a properly supported Article 36 case, but infidelity alone does not automatically establish psychological incapacity or an Article 45 ground.

Is abandonment a ground?

Not by itself. Long abandonment does not dissolve a marriage. Its nature, duration, history, and connection to an alleged psychological incapacity may be relevant, but the Article 36 requirements must still be proved.

Is a psychological evaluation always required?

No. Tan-Andal holds that psychological incapacity is a legal—not strictly medical—concept, and expert evidence is not invariably required. Whether an evaluation is useful depends on the case. The court still needs clear and convincing evidence.

Must the psychologist personally examine the other spouse?

Not necessarily. The Supreme Court has recognized that failure to interview the allegedly incapacitated spouse does not automatically make an expert opinion worthless. The opinion must still rest on adequate, credible facts, and the court evaluates it with all other evidence.

Can the case proceed if the other spouse refuses to sign or participate?

Potentially, yes. The respondent’s permission is not required, but valid service of summons and procedural fairness are. The petitioner must still prove the case.

Can I remarry once the judge announces that the petition is granted?

No. Wait for the written judgment to become final and complete the requirements concerning registration, property liquidation, presumptive legitimes, and annotation. Have counsel verify the records before obtaining a new marriage license.

How long does the case take and how much does it cost?

There is no reliable universal figure. Duration and expense depend on service of summons, publication, contested issues, witnesses, expert work, property disputes, court schedules, appeals, and post-judgment registration. Be cautious of anyone promising a guaranteed result, a secret shortcut, or a fixed completion date regardless of the facts.

Can a church annulment change my civil status?

No. A religious decree may affect status within that faith, but it does not replace the civil judgment and registration required by Philippine law.

Does an annulment erase the marriage certificate?

Usually, the civil record is annotated rather than erased. The annotated record reflects the court judgment and remains part of the civil registry.

Official legal sources

This article provides general legal information, not advice for a particular marriage, case, or deadline. Outcomes depend on the evidence, documents, dates, citizenship, prior marriages, property arrangements, and current court rules. Consult a qualified Philippine lawyer for advice. Primary sources were last checked on August 27, 2026.