See ISPE Guidelines 5.56.
See also GL/PCT‑EPO F‑IV, 2.1 and GL/PCT-EPO F-IV, 4.10.
Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/f_iv_6_5.htm
Date retrieved: 17 May 2021
Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/f_iv_6_5.htm
Date retrieved: 17 May 2021