1. Each Party shall, at a minimum, give effect to this Chapter. A Party may provide more extensive protection for, and enforcement of, intellectual property rights under its law than this Chapter requires, provided that the additional protection and enforcement is not inconsistent with this Agreement.
Article 17.9 : Patents
2. Each Party may only exclude from patentability:
(a) inventions, the prevention within their territory of the commercial exploitation of which is necessary to protect ordre public or morality, including to protect human, animal, or plant life or health or to avoid serious prejudice to the environment, provided that such exclusion is not made merely because the exploitation is prohibited by law; and
(b) diagnostic, therapeutic, and surgical methods for the treatment of humans and animals.