The fee for international preliminary examination is reduced by 75% under the same conditions as for the reduction of the international search fee (GL/PCT‑EPO A‑III, 8.2).[OJ EPO 2020, A4; ]
Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/a_iii_8_4.htm
Date retrieved: 17 May 2021