Under Art. 53(c) EPC diagnostic methods practised on the human or animal body are also excluded from patentability. However, the boards construe the exception applicable to diagnostic methods more narrowly than that applicable to surgical and therapeutic methods.
Source: http://www.epo.org/law-practice/legal-texts/html/caselaw/2019/e/clr_i_b_4_5.htm
Date retrieved: 17 May 2021