RA 8293 Section 81

Defenses in Action for Infringement.

Section 81

SEC. 81. Defenses in Action for Infringement. – In an action for infringement, the defendant, in addition to other defenses available to him, may show the invalidity of the patent, or any claim thereof, on any of the grounds on which a petition of cancellation can be brought under Section 61 hereof. (Sec. 45, R.A. No. 165)

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Other provisions in RA 8293

Compiled from an official source version. Later amendments or repeals may not be reflected; the official text prevails. · Read the official text ↗ · Data as of July 4, 2026

CitationRA 8293 Section 81 (LawPlayer, data as of July 4, 2026)

Source: Supreme Court E-Library, Republic of the Philippines. Philippine laws are public documents (works of the government).

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