Article 18: Matters excluded from patent protection
The provisions of paragraph one of this article shall not apply to the following inventions:
1° process inventions which, in whole or in part, consist of steps that are performed by a computer and are directed by a computer program; and
2° product inventions consisting of elements of a computer-implemented invention, including in particular:
a) machine-readable computer program code stored on a tangible medium such as a floppy disk, or any kind of disks or computer memory; and
b) a general purpose computer whose novelty over the prior art arises primarily due to its combination with a specific computer program.
The applicant who has filed patent applications for computer programs and computer-related inventions listed in paragraph (2) of this article has waived from his right of seeking copyright protection.