G.R. No. L-2902
NATALIA CATINDIG, petitioner-appellee, vs. FRANCISCO CATINDIG, ET AL., respondents-appellants.

FACTS:
1. Natalia Catindig filed a petition for land registration, presenting two Spanish-era patents issued by the Spanish Government on January 21, 1892, and February 18, 1892, granting her ownership of the disputed land.
2. The appellants (Francisco Catindig et al.) contested the validity of the patents, raising two objections:
– First Objection: Alleged failure to comply with notice requirements under the laws governing land title adjustments.
– Second Objection: A clerical error in one patent, which incorrectly cited the Royal Decree of December 26, 1884, instead of the Royal Decree of August 31, 1888, which had repealed the former.
3. Natalia claimed ownership through purchase from four individuals, including Mariano Cristobal. The appellants countered that Cristobal had sold the land to Francisco and Carlos Catindig (their predecessors), making them the rightful heirs.

ISSUE:
1. Whether the patents issued to Natalia Catindig were valid despite the appellants’ objections regarding:
– (a) Non-compliance with notice requirements; and
– (b) The erroneous citation of a repealed royal decree in one patent.
2. Whether Natalia Catindig’s claim of ownership prevails over the appellants’ assertion of rights derived from Mariano Cristobal.

RULING:
1. On the Validity of the Patents:
– First Objection (Notice Requirements): The Court found that preponderant evidence proved compliance with the notice requirements. Even if notices were not given, such a defect would not invalidate the patents.
– Second Objection (Clerical Error): The mistake in citing the repealed royal decree was immaterial to the patent’s validity. The patent explicitly granted ownership to Natalia, and the error did not affect its legal force.

2. On Ownership Claims:
– The appellants failed to provide sufficient evidence to prove that Mariano Cristobal had sold the land to Francisco and Carlos Catindig.
– Natalia’s documentary evidence (the patents) and testimonial proof established her valid ownership.

3. Disposition:
– The Court affirmed the lower court’s judgment, recognizing Natalia Catindig as the rightful owner of the land.
– Costs were charged against the appellants.

Concurring Justices: Arellano, C.J., Torres, Mapa, Johnson, Carson, and Tracey, JJ.

(Note: The case involves principles of land registration, validity of Spanish-era patents, and the burden of proof in ownership disputes.)