2.1 Clarification of a technical effect 2.2 Introduction of further examples and new effects 2.3 Revision of stated technical problem 2.4 Reference document 2.5 Alteration, excision or addition of text in the description Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/h_iii_2.htmDate retrieved: 17 May 20217 references found. Click X to load a reference inside the current page, click on the title to open in a new page.EPO PCT GL - H Amendments and CorrectionsXGL-PCT H Introduction Loading...XGL-PCT H III – Allowability of amendments – examples Loading...XGL-PCT H III 2.1 Clarification of a technical effect Loading...XGL-PCT H III 2.2 Introduction of further examples and new effects Loading...XGL-PCT H III 2.3 Revision of stated technical problem Loading...XGL-PCT H III 2.4 Reference document Loading...XGL-PCT H III 2.5 Alteration, excision or addition of text in the description Loading...