(...) 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 their law.(paragraph 2) diagnostic, therapeutic and surgical methods for the treatment of humans or animals; (paragraph 3(a)) and plants and animals other than micro-organisms, and essentially biological processes for the production of plants or animals other than non-biological and microbiological processes. (...) (paragraph 3(b)).