l processes for the generation of plants and animals, are not patentable inventions. (4) Subsection (3) does not apply if the invention is a microbiological process or a product of such a process. [Note: see also sections 7 and 9.] 19 Certificate of validity (1) In any proceedings in a court in which the validity of a patent, or of a claim, is disputed, the court may certify that the validity of a