A psychologist taking notes while listening to a client during a clinical interview, the kind of psychological evaluation session used as evidence in a Philippine Article 36 annulment or nullity case

The Cost of a Psychological Evaluation and Expert Witness Testimony in a Philippine Annulment Case

A psychological evaluation by a psychiatrist or clinical psychologist has long been the single most expensive line item in an Article 36 case — often costing more than the court’s own filing fees. What is less well understood is that the Supreme Court changed the evidentiary rules around this expense in 2021, and that change directly affects whether every petitioner still needs to pay for one. This guide breaks down what actually drives the cost of a psychological evaluation and expert witness testimony, who is legally allowed to perform the evaluation, and whether it remains a legal necessity today.

Direct Answer

There is no fixed or government-set fee for a psychological evaluation or expert witness testimony in a Philippine annulment or nullity case, because the professional who conducts it — a licensed clinical psychologist or a psychiatrist — sets an individual, market-rate fee, not a court-regulated one. What is now different, and often overlooked, is whether this expense is still legally necessary at all: in Tan-Andal v. Andal (G.R. No. 196359, May 11, 2021), the Supreme Court held that psychological incapacity under Article 36 of the Family Code is a legal, not a purely medical, concept, and abandoned the earlier requirement that its root cause be established through expert psychiatric testimony. A petitioner can, in principle, prove the ground through the totality of evidence, including the testimony of ordinary witnesses who observed the spouse’s behavior, without commissioning a formal evaluation. In practice, many petitioners and their lawyers still choose to obtain one because it remains persuasive evidence and reduces litigation risk — but that is now a strategic choice made case by case, not an automatic legal requirement. Only a person meeting the licensing requirements of Republic Act No. 10029 (a registered psychologist) or licensed as a physician specializing in psychiatry may lawfully perform the evaluation.

Decision Snapshot

  • Applies to: Petitioners considering or pursuing a declaration of nullity of marriage on the ground of psychological incapacity under Article 36 of the Family Code.
  • Is it still required? Not automatically. Tan-Andal v. Andal (2021) removed the mandatory-expert-testimony rule, though many cases still use an evaluation as strong supporting evidence.
  • What sets the price: The individual evaluator’s own professional rate, the number of sessions and collateral interviews conducted, whether court testimony is billed separately, and location.
  • Who may lawfully perform it: A psychologist holding a valid Professional Regulation Commission certificate of registration under Republic Act No. 10029, or a licensed physician practicing psychiatry.
  • First action: Ask your lawyer, given the current evidentiary rules, whether your specific case realistically needs a full evaluation or could rely more heavily on the testimony of people who know both spouses.

Key Takeaways

  • No Philippine law or court schedule fixes the price of a psychological evaluation or an expert’s court-testimony fee; both are private professional charges set by the individual evaluator.
  • Tan-Andal v. Andal (G.R. No. 196359, May 11, 2021) abandoned the older Republic v. Molina requirement that the root cause of psychological incapacity be “medically or clinically identified” and “sufficiently proven by experts” — expert testimony is no longer legally indispensable.
  • Psychological incapacity must still be proven by clear and convincing evidence, whether through an expert’s report, ordinary witness testimony about the spouse’s behavior, or both.
  • Only a psychologist registered under Republic Act No. 10029, or a licensed psychiatrist, may lawfully conduct the assessment; a guidance counselor or unlicensed practitioner cannot serve this function for court purposes.
  • Typical cost drivers include the number of clinical sessions, how many collateral witnesses (family, friends, colleagues) are interviewed, whether both spouses are evaluated, report preparation, and whether in-court testimony is billed as a separate fee.
  • The Public Attorney’s Office generally does not itself absorb this cost even for clients it represents for free — it is typically billed directly by the evaluator.
  • Article 45 grounds that do not involve psychological incapacity (fraud, lack of parental consent, physical incapacity, and similar grounds) generally do not require this expense at all.

In This Guide

Authority What it governs Relevance
Family Code of the Philippines (Executive Order No. 209), Art. 36 Defines psychological incapacity as a ground for declaring a marriage void from the start The underlying ground that historically drove petitioners to commission a psychological evaluation as supporting evidence
Republic v. Court of Appeals and Molina, G.R. No. 108763 (February 13, 1997) Set out guidelines for Article 36 cases, including that the root cause of the incapacity be “medically or clinically identified” and “sufficiently proven by experts” The original basis for treating an expert psychological or psychiatric evaluation as functionally indispensable in an Article 36 case
Tan-Andal v. Andal, G.R. No. 196359 (May 11, 2021) Abandoned the mandatory-expert-testimony guideline; held psychological incapacity is a legal, not a medical, concept provable by the totality of clear and convincing evidence, including ordinary witness testimony Directly changes whether an expensive expert evaluation remains legally necessary in every case
Republic Act No. 10029, Philippine Psychology Act of 2009 Regulates who may lawfully practice psychology, including conducting a “psychological assessment” Establishes that only a psychologist holding a valid certificate of registration (or, separately, a licensed psychiatrist) may lawfully perform the evaluation
A.M. No. 02-11-10-SC, Rule on Declaration of Absolute Nullity of Void Marriages and Annulment of Voidable Marriages (2003) Governs the procedure for presenting evidence, including expert witnesses, at trial Sets the procedural context in which any expert report or testimony is offered and examined

Is a Psychological Evaluation Still Legally Required?

For years, the working assumption in Article 36 practice was that a petitioner needed a psychiatrist or clinical psychologist to examine the spouse alleged to be incapacitated, identify a specific root cause, and testify about it in court. This assumption traced back to the Supreme Court’s guidelines in Republic v. Court of Appeals and Molina (1997), which required that the root cause of the incapacity be “medically or clinically identified” and “sufficiently proven by experts.”

Tan-Andal v. Andal (G.R. No. 196359, May 11, 2021) changed this. The Court held that psychological incapacity is “neither a mental incapacity nor a personality disorder that must be proven through expert opinion,” and that it may instead be established through the totality of evidence — including the testimony of ordinary people who observed the spouse’s behavior before the marriage. The Court also raised the applicable standard of proof to clear and convincing evidence, described as more than a mere preponderance but less than proof beyond reasonable doubt, given the constitutional and statutory policy favoring the validity of marriage.

In practical terms, this means a petitioner is no longer legally compelled to pay for a formal psychological evaluation simply to file an Article 36 case. Whether one is still worth obtaining is now a strategic decision that depends on the specific facts: the availability and credibility of ordinary witnesses (family members, close friends, former household help, colleagues) who can describe the spouse’s behavior in detail, the presiding judge’s own evidentiary expectations, and the strength of the case without an expert’s report. This is a decision to make with your own lawyer, not a decision this guide can make for you.

Who Is Qualified to Conduct the Evaluation

When an evaluation is pursued, Republic Act No. 10029 (the Philippine Psychology Act of 2009) governs who may lawfully perform it. The law defines “psychological assessment” as the gathering and integration of psychology-related data through tools such as individual tests, projective tests, and clinical interviews, to evaluate cognitive abilities, personality, and other psychological functions. Section 3 of the law confines this kind of assessment to a person holding “a valid certificate of registration and a valid professional identification card” as a psychologist; a psychometrician may administer certain objective tests and conduct intake interviews, but only under the supervision of a licensed psychologist, and is barred from projective tests and other higher-level assessment work. Separately, a licensed physician practicing psychiatry may also evaluate a spouse and offer psychiatric testimony, under the general licensing framework for the practice of medicine. Philippine courts have historically accepted testimony and reports from either a qualified clinical psychologist or a psychiatrist in Article 36 cases. A regular guidance counselor, life coach, or an unlicensed practitioner does not meet this standard, regardless of the fee charged.

What the Evaluation Process Typically Involves

An Article 36 psychological evaluation is generally more involved than a single consultation. It commonly includes a clinical interview of the petitioning spouse (and of the other spouse, where that spouse is willing to participate), the administration of standardized psychological tests, and — because the incapacity must be shown to have existed at or before the marriage — collateral interviews with people who knew the spouses before and during the marriage, such as parents, siblings, close friends, or former household staff, to establish the behavior pattern over time. The evaluator then integrates this information into a written psychological report and, if the case proceeds to trial and the report is offered as evidence, may be called to testify and be cross-examined on the report’s methodology and conclusions.

Each of these stages is a potential separate component of the professional’s overall fee, which is why an itemized engagement letter matters as much here as it does for attorney’s fees.

What Actually Drives the Cost

No government body sets a price for this service, and no responsible source can quote a single peso figure that applies nationwide — the fee is privately negotiated with the specific psychologist or psychiatrist you engage. What can be identified are the factors that commonly move the price up or down.

Cost driver Why it varies
The evaluator’s own rate and credentials An individual psychologist or psychiatrist sets an independent professional fee; more experienced practitioners, or those with a strong track record of court-accepted testimony, commonly charge differently from newer practitioners.
Number of clinical sessions A single intake interview costs less than a multi-session evaluation involving several rounds of testing and follow-up.
Number of collateral interviews Interviewing several family members, friends, or colleagues to establish the behavior pattern before the marriage takes more of the evaluator’s time than relying on fewer sources.
Whether one or both spouses are evaluated Often only the spouse alleged to be incapacitated is evaluated, particularly if the other spouse is unavailable or unwilling to participate, but some cases involve evaluating both.
Report preparation and revisions Preparing a detailed written report, and any revisions requested by counsel before it is offered as evidence, is typically part of the professional engagement.
Court appearance and testimony Testifying in court and undergoing cross-examination is commonly billed as a separate fee from the evaluation itself, distinct from the interview-and-report stage.
Location and availability The concentration of qualified, court-experienced psychologists and psychiatrists differs between Metro Manila and many provincial areas, which can affect both rates and how far a petitioner may need to travel.

Because these variables are genuinely case-specific, the responsible approach — the same one this site takes for attorney’s fees and court costs — is to ask the evaluator and your lawyer for a written, itemized quotation rather than relying on a single number seen online.

Does PAO or the Court Cover This Cost?

Generally, no. As explained in FamilyCode.ph’s guide to free legal assistance through the Public Attorney’s Office, PAO’s free representation covers attorney’s fees and court-fee exemptions under Republic Act No. 9406, but it typically does not extend to a private psychological evaluation, since that is a separate professional fee charged by an independent evaluator rather than a litigation cost PAO itself absorbs. If your case may rely on Article 36, ask your assigned PAO lawyer directly and early whether a lower-cost option — such as evaluation through a government hospital’s psychiatry department or a university-affiliated clinical psychology program — is realistically available in your area; availability varies by location and by case, so no guaranteed option or figure can be stated here. Court filing fees themselves, discussed in FamilyCode.ph’s guide to court filing fees and other court costs, are a separate component and do not include or subsidize an expert’s professional fee.

Common Misunderstandings

  • “A psychological evaluation is always legally required to win an Article 36 case.” Not anymore. Tan-Andal v. Andal (2021) held that psychological incapacity can be proven through the totality of evidence, including ordinary witness testimony, without a mandatory expert evaluation.
  • “Only a psychiatrist can perform this evaluation.” A licensed clinical psychologist registered under Republic Act No. 10029 may also conduct it; Philippine courts have historically accepted testimony from either a qualified psychologist or a psychiatrist.
  • “PAO or the court will pay for the evaluation.” Generally not. It is typically billed directly by the evaluator as a private professional fee, separate from PAO’s free legal representation or the court’s own filing fees.
  • “Both spouses always have to be evaluated.” Not necessarily. Many cases proceed with an evaluation of only the spouse alleged to be incapacitated, particularly where the other spouse does not participate.
  • “Any counselor or online \”psychologist\” can issue a report the court will accept.” The evaluator must meet Republic Act No. 10029’s registration requirements (or be a licensed psychiatrist); an unlicensed practitioner’s report does not meet this standard regardless of the fee charged.

Practical Checklist

  1. Discuss with your lawyer, given the current evidentiary rules after Tan-Andal v. Andal, whether your specific case realistically needs a full expert evaluation or could rely more heavily on the testimony of people who know both spouses.
  2. If you proceed with an evaluation, confirm the professional’s credentials — a valid Professional Regulation Commission certificate of registration as a psychologist, or a licensed physician practicing psychiatry.
  3. Ask for a written, itemized engagement letter covering the number of sessions, collateral interviews, report preparation, and whether court testimony is billed separately.
  4. Identify potential collateral witnesses early — family members, friends, or colleagues who observed the spouse’s behavior before and during the marriage — since the evaluator will need this information regardless of whether a formal report is used.
  5. If you are PAO-assisted or budget-constrained, ask your lawyer directly whether a lower-cost option, such as a government hospital or a university-affiliated clinical program, is realistically available given your case and location.
  6. Keep all engagement letters, receipts, and the final report as part of your case file.
  7. Coordinate the evaluation’s timeline with your case’s pre-trial and trial schedule so the report and any testimony are ready when needed.

Frequently Asked Questions

Is a psychological evaluation still required to file for declaration of nullity under Article 36?

Not automatically. Tan-Andal v. Andal (G.R. No. 196359, May 11, 2021) held that psychological incapacity can be proven through the totality of clear and convincing evidence, including ordinary witness testimony about the spouse’s behavior, without a mandatory expert evaluation. Many petitioners still choose to obtain one because it remains persuasive evidence, but this is now a strategic choice rather than a strict legal requirement.

Can a guidance counselor or life coach conduct the evaluation instead of a psychologist?

No. Republic Act No. 10029 confines psychological assessment to a person holding a valid Professional Regulation Commission certificate of registration as a psychologist, or, separately, a licensed physician practicing psychiatry. A guidance counselor, life coach, or other unlicensed practitioner does not meet this standard for court purposes.

Will the Public Attorney’s Office pay for my psychological evaluation?

Generally not as part of its own budget. PAO’s free legal representation typically covers attorney’s fees and court-fee exemptions, but the evaluation is usually billed separately by the evaluating professional. Ask your assigned PAO lawyer whether a lower-cost option is realistically available given your case and location.

Do both spouses need to undergo a separate evaluation?

Not necessarily. Many cases involve evaluating only the spouse alleged to be psychologically incapacitated, particularly where the other spouse is unavailable or unwilling to participate, though the specific approach depends on your case and your lawyer’s assessment.

Is the expert’s court-testimony fee separate from the evaluation fee?

Commonly, yes. Many evaluators bill the interview-and-report stage separately from an in-court appearance and testimony, so ask for both figures when requesting a quotation.

Does every ground for annulment or nullity involve this expense?

No. This expense is specific to Article 36 psychological-incapacity cases. Other grounds under Article 45 of the Family Code, such as fraud or lack of parental consent, generally do not require a psychological evaluation at all.

Related Guides

Sources and Legal Citations

Statutes and codes

Supreme Court rules and jurisprudence

  • Republic v. Court of Appeals and Molina, G.R. No. 108763, February 13, 1997 — full text via LawPhil
  • Tan-Andal v. Andal, G.R. No. 196359, May 11, 2021 — full text via LawPhil
  • A.M. No. 02-11-10-SC, Rule on Declaration of Absolute Nullity of Void Marriages and Annulment of Voidable Marriages (2003) — full text via LawPhil

Sources rechecked as of: September 10, 2026

This article is general legal information for the Philippines and is not legal advice. Costs described here reflect published legal rules and generally observed professional practice; they are illustrative, not guaranteed, and your own case’s cost and evidentiary strategy will depend on its specific facts. For advice about your specific situation, consult a Philippine lawyer or, if you qualify, the Public Attorney’s Office.

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