Rule 27
Patentable biotechnological inventions

Biotechnological inventions shall also be patentable if they concern: 
biological material which is isolated from its natural environment or produced by means of a technical process even if it previously occurred in nature; 
plants or animals if the technical feasibility of the invention is not confined to a particular plant or animal variety; 
a microbiological or other technical process, or a product obtained by means of such a process other than a plant or animal variety. 
See decisions of the Enlarged Board of Appeal G 2/07, G 1/08 (Annex I).

Art. 52

Cross-reference list
EPC EPC 1973
R. 27R. 23c

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