SEC. 14. A patent shall be null and void in any of the following cases:
(a) When it is not for a new discovery or invention;
(b) When a patent has been issued previously for the same invention or discovery;
(c)When the person in whose favor a patent has been issued has obtained possession fraudulently of the invention or discovery of another.
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
CitationAct No. 2793 Section 14 (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).