Quick answer

In Philippine civil law, “annulment” and “declaration of nullity” are different court remedies:

Declaration of absolute nullity applies when the marriage was void from the beginning—for example, because a required marriage license was absent, a prior marriage was still subsisting, the marriage was prohibited by relationship, or a spouse was psychologically incapacitated to perform essential marital obligations when the marriage was celebrated.
Annulment applies to a marriage that was valid until annulled because a ground under Article 45 of the Family Code existed at the time of marriage, such as lack of required parental consent, fraud, force, certain forms of incapacity, or a serious and apparently incurable sexually transmitted disease.

Separation, abandonment, infidelity, incompatibility, violence, or an agreement between spouses does not by itself automatically annul or void a marriage. The proper remedy depends on facts that existed before or at the wedding, the documents available, and the evidence that can be presented in court.

A person remains legally married until the appropriate court judgment becomes final and the required civil-registry and property steps are completed. Do not remarry merely because the spouses have separated, signed an agreement, obtained a church decree, or believe the marriage was defective.

Annulment and nullity are not interchangeable

Declaration of nullity	Annulment
Concerns a marriage that was void from the beginning	Concerns a voidable marriage that remains valid until annulled
Grounds generally come from Articles 35–38 and related provisions of the Family Code	Grounds are limited to Article 45
The action or defense generally does not prescribe	Strict filing periods apply
Psychological incapacity under Article 36 belongs here	Psychological incapacity is not an annulment ground
A final judicial declaration is still required before remarriage	A final judgment and completion of post-judgment requirements are required before remarriage

Neither remedy is a Philippine version of no-fault divorce. A court must find a legally recognized ground supported by admissible evidence.

When a marriage may be void from the beginning

The principal void marriages under the Family Code of the Philippines include the following.

A party was below 18

A marriage involving a person below 18 is void even if parents or guardians consented.

The solemnizing officer lacked authority

A marriage is generally void if the person who solemnized it had no legal authority. There is an important statutory exception when either or both contracting parties believed in good faith that the officer had authority. A defect in an officer’s appointment or authority therefore requires careful factual and documentary review.

There was no valid marriage license

A marriage celebrated without a license is generally void unless it validly falls within a statutory exception, such as certain marriages in articulo mortis or a qualifying marriage under Article 34.

An Article 34 affidavit is not enough by itself. The couple must actually have lived together as husband and wife for at least five years immediately before the wedding and must have had no legal impediment to marry each other throughout that period. False statements in an affidavit do not create a valid license exemption.

The marriage was bigamous or polygamous

A subsequent marriage celebrated while a prior marriage was subsisting is generally void, subject to the narrow rules on an absent spouse and judicial declaration of presumptive death under Article 41.

A person cannot simply assume that an earlier marriage was void. Article 40 requires a final judgment declaring the previous marriage void before its nullity may be relied upon for purposes of remarriage.

Questions about who may challenge a bigamous marriage can be technically complex, particularly where the petitioner is the spouse in the first marriage rather than a party to the subsequent marriage. The Supreme Court has addressed that situation in Fujiki v. Marinay. Obtain case-specific advice before filing.

There was a mistake as to the other party’s identity

This means a true mistake about the identity of the person being married—not merely disappointment about the spouse’s character, finances, background, or promises.

The parties are within prohibited degrees of relationship

Incestuous marriages between ascendants and descendants, and between full- or half-blood siblings, are void. Article 38 also prohibits specified marriages involving certain relatives, step-relations, adoptive relations, and parties where one killed a spouse to marry the other.

Psychological incapacity existed at the time of marriage

Article 36 applies when, at the time of the wedding, one or both parties were psychologically incapacitated to comply with essential marital obligations, even if the incapacity became evident only later.

Psychological incapacity is not simply:

refusal to perform marital duties;
immaturity, irresponsibility, incompatibility, or frequent quarrelling;
infidelity, abandonment, addiction, violence, or unemployment standing alone;
a mental-health diagnosis by itself; or
the fact that the marriage eventually failed.

Under the Supreme Court’s controlling decision in Tan-Andal v. Andal, psychological incapacity is a legal—not purely medical—concept. The evidence must clearly and convincingly establish a durable aspect of personality structure that made it genuinely impossible, not merely difficult or undesirable, for the spouse to understand and comply with essential marital obligations. It must be:

grave enough to amount to incapacity rather than ordinary marital difficulty;
juridically antecedent, meaning it existed when the marriage was celebrated, although it may have manifested later; and
legally incurable or enduring in relation to the particular spouse and marriage.

A psychologist or psychiatrist is not legally required in every case, and the respondent need not personally submit to an examination. Expert testimony may nevertheless be useful where it can connect reliable facts, personal history, witnesses, and behavior to the legal elements. A report based on unsupported assumptions will not cure weak evidence.

Either spouse may initiate an Article 36 petition; the petitioner need not prove that only the other spouse is incapacitated. See Clavecilla v. Clavecilla.

Other void-marriage situations

The Family Code contains additional rules on subsequent marriages involving an absent spouse, bad faith, and failure to comply with the recording and distribution requirements following an earlier judgment. These cases are highly document-dependent and should not be evaluated from a marriage certificate alone.

Grounds for annulment of a voidable marriage

Under Article 45, the ground must have existed when the marriage was celebrated.

Lack of required parental consent

This covers a party who was at least 18 but below 21 when married without the required consent. The marriage may be ratified if, after reaching 21, that party freely cohabits with the other as spouses.

The party may file within five years after reaching 21. A parent, guardian, or person with legal charge may file before the party reaches 21.

Unsoundness of mind

A petition may be brought by the sane spouse who did not know of the condition, by specified persons legally responsible for the spouse of unsound mind, or by that spouse during a lucid interval or after regaining reason. Free cohabitation after regaining reason may ratify the marriage.

The applicable period and proper petitioner depend on who is filing and whether either spouse is still alive.

Fraud affecting consent

For annulment, “fraud” is limited by Article 46. It includes concealment of:

a final conviction for a crime involving moral turpitude;
the wife’s pregnancy by a man other than her husband at the time of marriage;
a sexually transmitted disease existing at the time of marriage; or
drug addiction, habitual alcoholism, or homosexuality or lesbianism existing at the time of marriage.

These are statutory terms and grounds; their application depends on proof and current constitutional and jurisprudential treatment. General lies or broken promises are not necessarily annulment fraud. Misrepresentation about character, health, rank, fortune, or chastity is excluded unless it falls within a ground expressly recognized by law.

The injured party must file within five years after discovering the fraud. Freely continuing marital cohabitation with full knowledge of it may bar annulment.

Force, intimidation, or undue influence

The injured party must file within five years after the force, intimidation, or undue influence ceased. Freely cohabiting afterward may ratify the marriage.

Physical incapacity to consummate the marriage

The incapacity must exist at the time of marriage, concern consummation with the other spouse, continue, and appear incurable. The injured party must file within five years after the wedding.

This ground is not the same as infertility or refusal to have children.

Serious and apparently incurable sexually transmitted disease

The disease must have existed at the time of marriage, be serious, and appear incurable. The injured party must file within five years after the wedding.

What does not automatically qualify

The following may be serious and may support other legal remedies, but they do not automatically establish annulment or nullity:

the spouses have been separated for many years;
one spouse wants to leave and the other agrees;
infidelity occurred after the wedding;
one spouse abandoned the family;
there is no communication or affection;
the couple is financially incompatible;
the relationship is abusive;
one spouse has a personality disorder or other diagnosis;
one spouse failed to provide support; or
the parties obtained a religious or church annulment.

Some conduct may be evidence of an underlying Article 36 incapacity if it forms part of a grave, enduring pattern traceable to the time of marriage. It may also support legal separation, protection orders, support, custody, or criminal proceedings. The same conduct should not be forced into Article 36 without proof of its required elements.

A church declaration of nullity affects status under the rules of the religious body. It does not by itself alter Philippine civil status.

Who may file and where

Under the Supreme Court’s Rule on Declaration of Absolute Nullity and Annulment of Voidable Marriages:

a petition for declaration of nullity is generally filed by a spouse, subject to special jurisprudential rules for particular void marriages;
an annulment petition may be filed only by the person authorized for the specific Article 45 ground and within the applicable period; and
the case belongs in the Family Court with territorial venue over the province or city where either the petitioner or respondent has resided for at least six months before filing. If the respondent is not a Philippine resident, the petitioner may file where the respondent can be found in the Philippines.

Family Courts have exclusive original jurisdiction over these cases under the Family Courts Act of 1997.

Residence, venue, and jurisdiction should be checked before filing. Using a temporary or fabricated address can jeopardize the case.

What the petition must cover

The verified petition must state complete, specific facts—not merely quote the Family Code. It must ordinarily identify:

the marriage and asserted legal ground;
the facts showing that the ground existed at the required time;
the names and ages of common children;
the spouses’ property regime;
the properties and obligations involved; and
any requested provisional relief concerning support, custody, visitation, or administration of property.

The petitioner must personally sign the verification and certification against forum shopping. A lawyer or attorney-in-fact cannot sign those documents in the petitioner’s place. A petitioner abroad must comply with the applicable consular or authentication requirements.

The procedural rule requires service on the Office of the Solicitor General and the proper city or provincial prosecutor within five days from filing, with proof submitted to the court. Electronic filing and service are now required for annulment and nullity cases under the Supreme Court’s current digital-filing implementation; counsel should confirm the court’s operative address, platform, file format, and any required paper counterparts before filing. See the Supreme Court’s electronic-filing announcement.

What happens after filing

The ordinary sequence is:

Filing and payment or approved indigent relief. The clerk of court reviews the filing and assesses applicable fees. Fees vary with the relief sought, property allegations, publication, evidence, and local requirements.
Summons. The respondent must be formally served. If the respondent cannot be found despite diligent inquiry, publication requires court permission and compliance with the rule.
Answer. The usual period is 15 days from service of summons. If summons is served by publication, the rule provides 30 days from the last publication.
Collusion investigation. When no answer is filed or the answer does not raise an issue, the court directs the public prosecutor to investigate whether the spouses are colluding. An uncontested case is not automatically granted, and the respondent is not simply declared in default.
Mandatory pre-trial. The court organizes the issues, evidence, witnesses, provisional matters, and trial schedule.
Trial. The petitioner and witnesses present admissible evidence. The State is represented to guard against collusion and fabricated proof.
Judgment and finality. A favorable trial-court ruling is not immediately a license to remarry. Appeal periods and any appellate proceedings must be completed.
Liquidation, registration, and decree. Required property liquidation, delivery of children’s presumptive legitimes where applicable, and registration with the civil and property registries must be completed. The court then issues the appropriate decree and directs annotation of the civil records.

There is no lawful guaranteed completion time. Service problems, publication, property disputes, custody issues, witness availability, court calendars, expert evidence, and appeals can substantially affect duration.

Evidence to preserve

Preserve originals and secure certified copies where possible:

PSA marriage certificate and local civil-registry record;
birth certificates of the spouses and children;
marriage-license application, license, affidavits, and solemnizing officer’s records;
prior marriage certificates, judgments, death certificates, or presumptive-death orders;
proof of residence for venue;
medical records obtained lawfully;
contemporaneous messages, emails, letters, photographs, diaries, and financial records;
employment, bank, loan, title, tax, business, and insurance documents;
police, barangay, hospital, social-worker, rehabilitation, or protection-order records;
names and contact details of witnesses with first-hand knowledge before and during the marriage; and
documents showing acquisition, ownership, debts, contributions, household work, and improvements to property.

Keep complete files and unedited originals. Do not secretly access accounts, manufacture conversations, coach witnesses, alter screenshots, or obtain protected medical information unlawfully. Recordings and digital evidence should be reviewed by counsel for legality, authenticity, and admissibility.

For an Article 36 case, a useful chronology usually covers the spouse’s family background, conduct before marriage, courtship, early married life, recurring patterns, effects on essential marital obligations, attempts to address the problem, and why the behavior shows incapacity rather than ordinary refusal or marital breakdown.

Children, support, custody, and property

A judgment ending the spouses’ marital status does not eliminate parental duties. Custody, visitation, support, education, medical needs, and protection remain governed by the child’s best interests and the parents’ resources and circumstances.

Children conceived or born before a judgment annulling a voidable marriage becomes final remain legitimate. The Family Code also specifically treats children conceived or born before the final judgment declaring an Article 36 marriage void as legitimate. The legal status of children in other void-marriage situations depends on the applicable Family Code provisions and should be checked individually.

Property consequences differ sharply:

Annulment generally triggers liquidation under the governing marital property regime and the special consequences stated in Articles 50–52.
Property relations under a void marriage may instead fall under Article 147 or Article 148, depending on whether the parties were legally capacitated to marry each other and lived exclusively as spouses.
Good faith, bad faith, actual contributions, household and family care, prior marriages, titles, donations, and the source of funds can change the result.

A title bearing the words “married to” does not necessarily settle beneficial ownership. Do not sell, transfer, mortgage, conceal, or withdraw disputed assets without legal advice or required consent.

The court may issue provisional orders on support, custody, visitation, and property administration while the case is pending. A spouse or child who needs immediate support need not wait for the final marital-status judgment before asking counsel about available relief.

Common mistakes to avoid

Calling every case an “annulment” without identifying the correct statutory ground.
Treating infidelity, abandonment, addiction, or violence as automatic psychological incapacity.
Filing an Article 36 case with labels and conclusions but no detailed factual history.
Assuming a psychiatric diagnosis guarantees nullity.
Inventing or exaggerating evidence because both spouses want the same result.
Using the wrong city or province, or claiming a false six-month residence.
Ignoring a prior marriage, foreign divorce, or possible bigamy.
Failing to disclose children, property, debts, businesses, or pending cases.
Believing the respondent’s silence guarantees approval.
Assuming a church annulment changes civil status.
Remarrying after receiving a trial-court decision but before finality, registration, and issuance of the proper decree.
Relying on a “package” that promises a guaranteed judgment, no appearance, or a predetermined completion date.

Courts may dismiss collusive cases. False testimony, fabricated documents, concealment of material facts, and an unlawful remarriage may create separate civil or criminal exposure.

Practical steps before deciding to file

Obtain a new PSA marriage certificate and certified local records.
Write a confidential, date-based account of the relationship from before the wedding to the present.
Identify the exact fact that may have made the marriage void or voidable when celebrated.
Check the filing deadline immediately if an Article 45 ground may apply.
Inventory children’s needs, property, debts, insurance, businesses, and pending disputes.
Preserve lawful evidence before devices, messages, or records disappear.
Consult a Philippine family-law practitioner and bring the records rather than relying only on a verbal summary.
Ask for a written explanation of the proposed ground, anticipated evidence, fees, exclusions, and post-judgment work.
If unable to afford private counsel, ask the Public Attorney’s Office about its indigency and merit requirements. Eligibility is assessed and representation is not automatic merely because a person requests it.

When legal help is urgent

Seek prompt help if:

an annulment filing period may be close to expiring;
a spouse is threatening, stalking, assaulting, or coercing you;
a child is unsafe or is about to be taken away or brought abroad;
property, bank funds, business assets, or records are being concealed or transferred;
you have received summons, a court order, or a hearing notice;
the respondent cannot be located or lives abroad;
either spouse has a prior marriage or foreign divorce;
someone plans to remarry before the civil records and decree are complete; or
immigration, inheritance, pension, insurance, or citizenship rights depend on marital status.

Immediate safety issues should be addressed separately from the marital-status case. Consider police, barangay, protection-order, child-protection, support, or custody remedies as appropriate; nullity or annulment proceedings are not emergency protection mechanisms.

Frequently asked questions

Can both spouses simply agree to an annulment?

No. Their agreement cannot create a legal ground, replace evidence, or bind the court. The prosecutor and the State participate to prevent collusion.

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

Potentially, yes, if valid summons is served and the petitioner proves the case. The respondent’s absence is not an admission and does not guarantee judgment.

Is a psychological evaluation mandatory?

Not categorically. Tan-Andal confirms that psychological incapacity is a legal concept and expert testimony is not indispensable in every case. Whether expert evidence is advisable depends on the facts and available witnesses.

Must the other spouse agree to be examined?

No. Personal examination of the respondent is not an absolute legal prerequisite. Any expert opinion must still rest on reliable information and withstand evaluation in court.

Is cheating a ground for annulment?

Not by itself. It may be relevant evidence in a properly supported Article 36 case or may relate to legal separation, but the court must find the elements of the chosen statutory ground.

Does long separation make the marriage void?

No. Philippine law does not convert a marriage into a void marriage merely because the spouses have lived apart for many years.

Can I remarry after the judge grants the petition?

Not immediately. Wait for finality and completion of the required liquidation, registration, civil-registry annotation, and decree. Obtain certified documents and have counsel confirm capacity to remarry.

Is a foreign divorce the same as annulment?

No. Recognition of a foreign divorce is a distinct proceeding. In qualifying mixed marriages, Article 26 may allow the Filipino spouse to remarry after judicial recognition and proof of the foreign divorce and applicable foreign law. The Supreme Court held in Republic v. Manalo that relief is not defeated merely because the Filipino spouse initiated the foreign divorce. Citizenship at the relevant times, foreign-law proof, authenticity, and the decree’s effect must be established.

How much does a case cost?

There is no single official all-in price. Expenses may include filing and sheriff’s fees, publication, certified records, professional fees, expert services where used, travel, and property-related work. Ask for an itemized engagement agreement and be cautious of guaranteed-result packages.

Will the children become illegitimate?

Not automatically. The answer depends on the ground and the applicable Family Code provision. Children of an annulled marriage and children covered by Article 54 retain legitimacy as provided by law.

Official legal sources

This article provides general Philippine legal information, not legal advice or a prediction of any case. Marital status, venue, prescription, evidence, property, children, foreign judgments, and capacity to remarry require review of the actual records by qualified Philippine counsel. Sources and procedures were checked as of August 27, 2026.