Title
IN RE: Mercado vs. Lacuesta
Case
G.R. No. L-4067
Decision Date
Nov 29, 1951
Antero Mercado's will, written in Ilocano, was invalidated due to a defective attestation clause and an invalid cross signature, failing to meet legal requirements under Section 618 of the Code of Civil Procedure.

Case Summary (G.R. No. L-4067)

Attorney’s Subscription and Testator’s Mark

Florentino Javier subscribed the name “Antero Mercado” under the rubric “A ruego del testador.” Immediately thereafter, Mercado affixed a cross beside his name. No other regular handwritten signature of Mercado appears.

Court of Appeals’ Grounds for Disallowance

The appellate court held the attestation clause defective for failing to certify:

  1. That the will was signed on the left margin of each page and at its end by Javier at Mercado’s express request in the presence of all witnesses;
  2. That Mercado himself wrote a cross at the end of his name and on each left margin in the presence of the witnesses;
  3. That the three witnesses signed every page in the presence of the testator and of one another.

Supreme Court’s Analysis on Section 618 Compliance

Section 618 requires an attestation clause to affirm that the testator caused another to write his name “under his express direction” in the presence of the subscribing witnesses. The Court found the clause fatally defective for omitting any statement that Mercado directed Javier to write his name, as mandated by law.

Petitioner’s Argument on the Sufficiency of the Cross

Petitioner contended that the cross is tantamount to a valid signature—similar to a thumbmark—and thus satisfies the requirement that the testator sign the will. She cited precedents where thumbmarks were upheld as sufficient signatures.

Rejection of the Cross as a Valid Signature

The Court distinguished a mere cross from a thumbmark, noting that a thumbmark carries intrinsic trustworthiness linked to the person’s physical characteristic

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