Title
Katipu vs. Katipu, Jr.
Case
G.R. No. 132415
Decision Date
Jan 30, 2002
A mentally incapacitated and illiterate respondent was deceived into signing a Deed of Absolute Sale, unaware of its contents. The Supreme Court annulled the sale, ruling it voidable due to vitiated consent, and ordered restitution of the property and collected rentals.

Case Summary (G.R. No. 204944-45)

Allegations of Fraud and Lack of Consideration

Respondent alleged that he was induced by his brother Miguel, Atty. Balguma, and Valdez to sign what he believed was an employment contract for overseas work. He claimed no knowledge of the sale deed’s nature, received only small coin payments, and did not obtain the ₱187,000 purchase price.

Petitioners’ Denial and Trial Court Dismissals

Petitioners denied fraud, asserted respondent understood and accepted the consideration, and noted he refrained from objecting when rentals were collected. Respondent twice moved to dismiss his own complaint—motions granted by the RTC—alleging instigation by his sister and settlement after partial payment. The trial court later reconsidered, citing respondent’s low comprehension (per psychiatric report) and lack of counsel in signing dismissal motions.

Trial Court Findings on Merits

After pretrial and appointment of a guardian ad litem for respondent, the RTC dismissed the complaint on the merits. It held respondent (1) admitted he obtained loans and signed the deed, (2) acknowledged the sale, and (3) ceased rental collection, concluding he failed to prove fraud or incapacity.

Court of Appeals Reversal on Mental Capacity

The Court of Appeals faulted the RTC for disregarding expert testimony of Dr. Ana Marie Revilla, whose certification established respondent’s very low IQ, illiteracy, and comprehension equivalent to a six-year-old. It applied Civil Code Article 1332 and Rules of Court, characterizing respondent as “incompetent” under Rule 92. The appellate court found no evidence the deed was explained or translated to him, held consent was vitiated by undue influence and fraud, and declared the contract voidable under Article 1390.

Supreme Court’s Review of Factual Findings

This Court recognized the general rule favoring trial-court credibility findings but noted the exception when a material fact—here, the expert psychiatric evidence—was overlooked or misapplied. A factual review was warranted to assess whether respondent’s consent was rational.

Analysis of Vitiated Consent and Incapacity

Under Civil Code Articles 1330 and 1390, consent vitiated by fraud or incapacity renders a sale voidable. Testimony and expert reports conclusively demonstrated respondent’s inability to understand the English-language deed, his deprivation of freedom of choice, and his place

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