When a law is genuinely ambiguous, how should a court interpret it — in favor of justice or strictly as written?

When this rule applies

Article 10 applies specifically when there is genuine doubt in how to interpret or apply a law. It is not a general license to rewrite statutes whose meaning is clear. When a law plainly says one thing, courts apply it as written. But laws are often drafted in ways that leave edge cases unresolved, or where two readings are equally plausible on the text. It is in that space — genuine ambiguity, not mere discomfort with a clear result — that Article 10's presumption comes into play. The rule is a tiebreaker for the hard cases, not a universal override.

The presumption: the legislature meant justice

Article 10 assumes that when Congress passed a law, it intended the outcome to be just. If two interpretations are possible and one leads to an absurd or unjust result while the other leads to a fair one, Article 10 directs courts to prefer the interpretation that is consistent with justice and right. This reflects a deeper principle embedded in Philippine civil law: the legal order is not a purely mechanical system. The law is meant to serve human needs and produce equitable results, and courts are authorized — in cases of genuine doubt — to interpret statutes in light of that purpose.

Article 10 and criminal law

Article 10 is a Civil Code provision, but the principle of resolving doubt in favor of a just result has parallels in criminal law as well, where ambiguity is traditionally resolved in favor of the accused. These are related but not identical rules. Criminal law's lenity principle focuses on protecting the accused from penal provisions that are unclear. Article 10 is broader — it does not specify who benefits from the doubt-resolution, only that the result must be consistent with right and justice. In some situations, justice may favor the victim; in others, the accused. The question Article 10 asks is not "which party benefits" but "what did the legislature actually intend, read in light of the goal of just outcomes."

What this means in practice

If you are in a dispute where the applicable law is genuinely unclear — where reasonable lawyers reading the same text disagree about its meaning — Article 10 is part of the argument for the interpretation that produces a fair result. It is a recognized tool in statutory construction. Courts use it alongside other interpretive aids: the law's purpose, its legislative history, related provisions, and the context of the entire statute. A well-constructed legal argument in an ambiguous case will address not just the text but the policy and justice considerations that Article 10 explicitly invites courts to weigh.

Cases citing this provision

These Supreme Court decisions cite the provision above. We list them so you can read them yourself; the summaries of what each decided are not ours to give.

• In the Matter of Urgent Petition for the Release of Prisoners on Humanitarian Grounds, G.R. No. 252117, July 28, 2020 — read the decision on LawPhil →
• Oceanmarine Resources Corporation vs. Jenny Rose G. Nedic, on behalf of her minor son, G.R. No. 236263, July 19, 2022 — read the decision on LawPhil →
• Randy Michael Knutson, acting on behalf of minor Rhuby Sibal Knutson vs. Hon. Elisa R. Sarmiento-Flores, in her capacity as Acting Presiding Judge of Branch 69, Regional Trial Court, Taguig City, and Rosalina Sibal Knutson, G.R. No. 239215, July 12, 2022 — read the decision on LawPhil →
• Lito Corpuz vs. People of the Philippines, G.R. No. 180016, April 29, 2014 — read the decision on LawPhil →

Related provisions

• Civil Code, Article 10 — Presumption of Right and Justice