When Does Cyber Libel Prescription Expire in the Philippines?

Introduction

Online comments, posts, videos, and messages may expose their authors to criminal liability for cyber libel when they contain defamatory imputations and are published through a computer system. For the offended party, however, the right to file a criminal complaint is not indefinite.

The governing rule is that cyber libel prescribes in one year from discovery by the offended party, the authorities, or their agents. This is different from reckoning the period solely from the date the post was uploaded or published.

What Is Cyber Libel?

Cyber libel is libel committed through a computer system or information and communications technology. Section 4(c)(4) of the Cybercrime Prevention Act refers to libel under Articles 353 and 355 of the Revised Penal Code and imposes a penalty one degree higher when the offense is committed through ICT.

In Causing v. People of the Philippines, et al., G.R. No. 258524, 2023, the Supreme Court explained that cyber libel is not an entirely new and separate crime. It is the same crime of libel under the Revised Penal Code, committed through a computer system. [Causing v. People of the Philippines, et al. (2023)](#J1.17)

The use of a computer system increases the penalty, but it does not change the nature of the offense for purposes of applying the special prescriptive period for libel.

What Is the Prescriptive Period for Cyber Libel?

A cyber libel case prescribes in one year. Republic Act No. 4661 amended Article 90 of the Revised Penal Code by providing that “the crime of libel or other similar offenses shall prescribe in one year.” [Republic Act No. 4661](#L2.0)

The Supreme Court applied this one-year period to cyber libel in Causing. The Court rejected the position that the heavier penalty for cyber libel automatically makes the offense prescribe in 15 years as an afflictive offense.

The Court held that the specific reference to libel in Article 90, paragraph 4, controls. The more favorable one-year period must be applied rather than the longer period that could result from classifying the offense solely according to its increased penalty. [Causing v. People of the Philippines, et al. (2023)](#J1.22) [Causing v. People of the Philippines, et al. (2023)](#J1.24)

When Does the One-Year Period Begin?

The one-year period is generally counted from the discovery of the alleged cyber libel by the offended party, the authorities, or their agents. It is not necessarily counted from the date the online post was first uploaded.

Article 91 of the Revised Penal Code supplies the rule on computing prescription. In applying that rule, the Supreme Court directed that cyber libel charges be assessed based on the date when the allegedly defamatory online material was discovered by the offended party, the authorities, or their agents. [Causing v. People of the Philippines, et al. (2023)](#J1.28)

For example, if an offended person discovered a defamatory Facebook comment on 15 September 2026, the one-year period will generally be measured from that discovery date, subject to the rules governing interruption and the particular facts established by the evidence.

Why the Publication Date Is Not Always Controlling

Online content may remain available for a long period, may be republished, or may be discovered only after it was originally posted. The discovery-based rule recognizes that the offended party may not immediately know that the defamatory material exists.

Accordingly, the date of publication remains relevant evidence, but it is not automatically the date from which the prescriptive period begins. The determinative inquiry is ordinarily when the offended party, the authorities, or their agents discovered the alleged offense.

The prosecution and the defense may therefore dispute the date of discovery. This is often a factual issue that must be resolved from evidence such as screenshots, messages, notifications, reports, affidavits, or testimony concerning when the post was actually seen.

Does the Heavier Cybercrime Penalty Create a Longer Period?

No. Section 6 of the Cybercrime Prevention Act increases the penalty for certain offenses committed through ICT. Nevertheless, the Supreme Court ruled that the increased penalty does not displace the specific one-year prescriptive period applicable to libel.

The Court reasoned that cyber libel remains libel under Articles 353 and 355 of the Revised Penal Code, with ICT serving as the means of commission. Since Article 90 expressly refers to libel, the one-year period applies despite the higher penalty. [Causing v. People of the Philippines, et al. (2023)](#J2.37) [Causing v. People](#J2.41)

How Prescription Affects a Criminal Complaint

Prescription extinguishes criminal liability when the legally prescribed period has fully elapsed. A complaint filed after the applicable period may be dismissed if the prosecution cannot establish a legally sufficient basis for a different computation.

The filing of a complaint-affidavit or the institution of the proper criminal proceedings must therefore be examined carefully. It is not enough to identify the date when the post was published. The complainant should establish the date of discovery and preserve evidence showing that the complaint was timely filed.

Arraignment does not necessarily prevent the accused from raising prescription. In Causing, the Supreme Court recognized that prescription may still be proven during trial because criminal liability is extinguished by prescription under Article 89 of the Revised Penal Code. Whether the particular charges had prescribed was left to the trial court as a factual matter. [Causing v. People of the Philippines, et al. (2023)](#J1.35)

Cyber Libel and Civil Defamation Are Different Claims

The one-year period discussed here concerns the criminal offense of cyber libel. It should not automatically be confused with the prescriptive period for an independent civil action for defamation.

Article 1147 of the Civil Code provides that actions for defamation must generally be filed within one year. [Civil Code of the Philippines (1949)](#L6.1196) The proper period and computation may depend on the nature of the civil claim, the relief sought, and whether the civil action is instituted independently or with the criminal case.

A person considering both criminal and civil remedies should therefore assess the two causes of action separately and avoid assuming that filing one automatically preserves every other claim.

Practical Steps for an Offended Person

• Record the discovery date. Note when the post, comment, message, or video was first seen and who saw it.
• Preserve the original material. Keep screenshots, URLs, account details, dates, timestamps, and copies of comments or replies.
• Identify the author and publication method. Evidence should connect the accused to the account and show that the material was published through a computer system.
• Obtain corroborating evidence. Witness statements, platform notifications, reports, and authenticated electronic records may help establish publication and discovery.
• Seek legal advice promptly. Waiting until the end of the one-year period creates avoidable risks involving investigation, authentication, filing, and computation.

Common Mistakes in Cyber Libel Cases

One common mistake is counting one year from the date the offended person eventually decided to consult a lawyer. The legally relevant date is generally discovery of the alleged offense, not the date of legal consultation.

Another mistake is assuming that continued online availability automatically creates a new one-year period each day. Whether later views, republications, or renewed postings affect prescription depends on the specific facts and the nature of the alleged acts. A mere failure to remove an original post should not automatically be treated as a new offense without a sufficient legal and factual basis.

It is also insufficient to show that a statement was insulting or offensive. A criminal cyber libel complaint must still establish the elements of libel, including the defamatory imputation, publication, identity of the person defamed, and malice, subject to recognized legal rules and defenses.

Conclusion

The controlling rule is clear: cyber libel prescribes in one year from discovery by the offended party, the authorities, or their agents. The one-year period applies even though the Cybercrime Prevention Act imposes a higher penalty for libel committed through ICT.

An offended person should promptly preserve the online evidence, determine the actual discovery date, identify the responsible account or author, and file the appropriate complaint before the period expires. Because prescription and discovery may depend on disputed facts, early legal assessment is essential.

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