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Mutagenesis, ‘essentially biological processes’ and patent exceptions

Recent developments in the field of European law, in relation to subject-matter consisting of living material, raise a string of basic issues as to the legal qualification of certain techniques used in agriculture and medicine, such as CRISPR-Cas9, and regarding their appraisal under European patent law. The present article reviews a series of decisions, including the decision of the Court of Justice of the European Union in case C-528/16, the decision issued on 7 February 2020 by the French Council of State and the Opinion of the European Patent Office Enlarged Board of Appeal of 14 May 2020 on Referral G 3/19.