An invention patent shall not be granted in respect of any of the following:

(1) animals, plants, and essential biological processes for the production of animals or plants, except for processes for producing microorganisms;

(2) diagnostic, therapeutic or surgical methods for the treatment of humans or animals;

(3) inventions contrary to public order or morality.

A utility model patent shall not be granted if it is contrary to public order or morality.

A design patent shall not be granted in respect of any of the following:

(1) the shape of an article solely dictated by its function;

(2) fine arts;

(3) the layout of integrated circuits or electronic circuits;

(4) an article contrary to public order or morality.