15. The following shall not be considered inventions:
(a) discoveries, scientific theories and mathematical methods;
(b) the entirety or part of living beings as encountered in nature, natural biological processes, biological material existing in nature or which may be isolated, including the genome or germ plasm of any natural living being;
20. The following shall not be patentable:
(c) plants, animals and essentially biological processes for the production of plants or animals that are not non-biological or microbiological processes;