The exception to patentability for plant or animal varieties or essentially biological processes for the production of plants or animals does not apply to microbiological processes or the products thereof (Art. 53(b) EPC, second part of sentence, EPC).
Source: http://www.epo.org/law-practice/legal-texts/html/caselaw/2019/e/clr_i_b_3_4.htm
Date retrieved: 17 May 2021