Title
Mercado vs. Santos
Case
G.R. No. 45629
Decision Date
Sep 22, 1938
Atilano Mercado's probate of his wife's will barred criminal forgery charges; repeated arrests violated his right to a speedy trial, ruled conclusive by the Supreme Court.

Case Summary (G.R. No. 45629)

Petitioner

Atilano G. Mercado, husband of the deceased testatrix, who sought probate of his wife’s will and later defended against repeated criminal charges of forgery.

Respondents

Judge Alfonso Santos and Provincial Fiscal Inigo S. Daza, who presided over probate and criminal proceedings in Pampanga.

Intervenors

Rosario Basa de Leon and four others, claiming an interest in the estate and initiating criminal complaints for forgery of the probated will.

Key Dates

• May 28, 1931: Petition for probate filed.
• June 27, 1931: Will admitted to probate without opposition.
• October 27, 1932 – February 2, 1934: Three separate forgery complaints filed and dismissed.
• May 9, 1934: Provincial fiscal moves for reinvestigation.
• May 23, 1934: Court of First Instance orders reinvestigation and fourth arrest.
• November 25–December 24, 1935: Demurrer and motions overruled.
• June 19, 1937: Court of Appeals denies certiorari, dissolves injunction.
• September 22, 1938: Supreme Court decision.

Applicable Law

• 1935 Constitution, Article III, Section 1, Paragraph 17 (right to speedy trial)
• Code of Civil Procedure, Section 306 (effect of judgments in rem, including probate)
• Code of Civil Procedure, Section 625 (probate conclusive as to due execution)
• Code of Civil Procedure, Section 333(4) (conclusive presumptions)

Facts

Mercado obtained probate of his wife Ines Basa’s will in June 1931. Intervenors unsuccessfully sought to reopen probate proceedings. Beginning October 1932, intervenor Rosario Basa de Leon filed three separate complaints for falsification of the probated will; each was dismissed after preliminary investigation. In May 1934, the provincial fiscal secured a reinvestigation, resulting in a fourth arrest and protracted proceedings in the Court of First Instance. Mercado’s demurrer—that probate barred criminal prosecution—and subsequent motions were denied. The Court of Appeals refused certiorari relief, leading to this Supreme Court review.

Issues Presented

  1. Whether probate of a will by a court of competent jurisdiction bars subsequent criminal prosecution for forgery of that will.
  2. Whether repeated arrests and protracted preliminary investigations violated Mercado’s constitutional right to a speedy trial.

Analysis on Conclusiveness of Probate

Under Code of Civil Procedure Section 625, allowance of a will in probate is “conclusive as to its due execution.” Section 306 states that a judgment in rem on probate is binding on all parties. Section 333(4) deems such judgments conclusive presumption. Philippine jurisprudence and comparative Vermont authority hold that probate, after proper notice, conclusively establishes genuineness of the will and the testator’s sound mind. Although some foreign decisions permit criminal forgery prosecutions despite probate, those arise under statutes unlike ours. The Court finds that the statutory scheme in the Philippines and the need for stability of property rights mandate that a duly probated will cannot be collaterally attacked in criminal proceedings for forgery.

Analysis on Speedy Trial

Article III, Section 1, Paragraph 17 of the 1935 Constitution guarantees an accused’s right to “a speedy . . . trial.” Mercado faced four arrests, each followed by new preliminary investigations and bonds, spanning

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