Title
De Leon vs. Ong
Case
G.R. No. 170405
Decision Date
Feb 2, 2010
Petitioner sold land to respondent, later resold to another buyer. SC ruled first sale valid, second sale void; respondent awarded ownership, damages, and ordered to pay balance.

Case Summary (G.R. No. 206310-11)

Factual Background: the March 10, 1993 Transaction

On March 10, 1993 petitioner executed a notarized deed of absolute sale purportedly conveying the three parcels and improvements to respondent for a total price stated as P1,100,000. Under its terms respondent paid P415,500 to petitioner at execution; she was to assume and pay the outstanding mortgage obligation to RSLAI (P684,500 as stated in the deed; records later reflected P715,000 outstanding as of April 1, 1993). The deed described the sale as made “in a manner absolute and irrevocable” and required, among other things, that upon full payment by respondent of P415,500, petitioner would execute a deed of assumption of mortgage in respondent’s favor, and that respondent would assume payment of the outstanding loan with RSLAI “without any further cost whatsoever.”

Subsequent Acts by the Parties and Mortgagee

After the March 10 deed respondent took possession: she received keys, undertook repairs, improvements and maintenance, and notified RSLAI of the sale and her willingness to assume the mortgage. RSLAI required a credit investigation. Petitioner wrote RSLAI informing it of the sale and authorizing RSLAI to accept payment from respondent and release the titles. Sometime after March 10, 1993 petitioner purportedly sold the same properties to Leona Viloria and changed the locks, depriving respondent of access. RSLAI later informed respondent that petitioner had paid the mortgage and had retrieved the certificates of title.

Procedural History

Respondent filed suit on June 18, 1993 in RTC (Civil Case No. 93-2739) for specific performance, declaration of nullity of the second sale, and damages against petitioner and Viloria. Petitioner contended the March 10 instrument was only a contract to sell because the sale’s perfection depended on RSLAI’s approval of the mortgage assumption, a suspensive condition that never occurred; he counterclaimed for damages alleging respondent acted in bad faith. The RTC dismissed respondent’s complaint for lack of cause of action, concluding the transaction was a contract to sell and RSLAI did not permit assumption; it awarded damages and fees to petitioner. The CA reversed in material respects, holding the March 10 deed to be a contract of sale, declared the second sale void, ordered titles delivered to respondent, required respondent to reimburse petitioner P715,250 (amount petitioner paid RSLAI), and awarded damages to respondent. Petitioner sought review to the Supreme Court.

Issue Presented

Whether the March 10, 1993 instrument constituted a contract of sale or merely a contract to sell (i.e., whether ownership passed to respondent upon execution or was suspended pending fulfillment of a condition), and the consequences of petitioner’s subsequent sale of the same properties to a third party.

Legal Standards Applied: contract of sale vs. contract to sell

The decision applies settled distinctions: in a contract of sale ownership is conveyed upon perfection of the contract and the unpaid price constitutes a negative resolutory condition entitling the seller to collection or rescission; in a contract to sell the transfer is subject to a positive suspensive condition and the buyer acquires ownership only upon fulfillment of that condition, with the seller’s remedy for nonpayment generally limited to damages. The Court relied on the literal terms of the deed, Civil Code Art. 1370 (literal meaning controls if terms are clear), and Art. 1498 (execution of a public instrument of sale is, as a rule, equivalent to delivery if the deed does not show the contrary).

Court’s Analysis on Perfection and Delivery of Sale

The Court emphasized that the March 10 deed expressly stated the sale was “absolute and irrevocable” and that the payment terms affected only the manner and timing of payment, not the immediate transfer of ownership. Petitioner’s acts — executing a notarized deed, handing over keys, authorizing RSLAI to accept respondent’s payment and release the titles — were treated as unqualified delivery and transfer of ownership. Under Article 1498, the notarized sale equated to delivery in the absence of contrary indication in the deed. Thus, the Court concluded the parties entered into a contract of sale and ownership passed to respondent upon execution and delivery.

Effect of Petitioner’s Interference with the Condition (Article 1186)

The Court addressed the alternative argument that the sale was subject to a suspensive condition (RSLAI’s approval of assumption). Even assuming the agreement was conditional, the Court found petitioner had prevented fulfillment of that condition by secretly paying the mortgage and retrieving the titles without notifying respondent. Pursuant to Article 1186 of the Civil Code, a condition is deemed fulfilled when the obligor voluntarily prevents its fulfillment. Therefore, petitioner’s conduct rendered the condition satisfied by operation of law, and the sale’s perfection to respondent stood.

Double Sale Doctrine and Article 1544

Given that petitioner sold the same property twice, the Court treated the case as a double sale governed by Article 1544. That provision allocates ownership among competing vendees according to good faith and priority of either registration (for immovables) or possession if no registration exists. The provision applies only to purchasers in good faith; a purchaser in bad faith is disqualified.

Good Faith of the Purchasers: Respondent vs. Viloria

The Court found respondent to be a purchaser in good faith: she knew only of the RSLAI mortgage (which she agreed to assume), notified RSLAI and undertook requisite steps for assumption, and took possession by receiving keys and making improvements. Petitioner’s clandestine repayment and re

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