§ 6. Subject of invention
(2) The following, inter alia, are not regarded as the subject of inventions:
8) plant and animal varieties;
§ 7. Unpatentable inventions
(2) The following biotechnological inventions shall not be protected by a patent:
5) essentially biological processes for the derivation of biological materials, plants or animals, except microbiological processes for the derivation of micro-organisms;
6) inventions the application of which is confined to a single plant or animal variety.
(3) For the purposes of this Act, "essentially biological process for the derivation of a biological material, plant or animal" means a process which consists entirely of natural phenomena such as crossing and selection.