PCT AG-IP 11.045 How, and at what stages, may the claims, description and drawings in an international application be amended?

Article 19
34(2)(b)

11.045.   How, and at what stages, may the claims, description and drawings in an international application be amended?  As described elsewhere in this text, during the international phase the applicant has one opportunity to amend the claims under Article 19 after receiving the international search report (see paragraphs 9.004 to 9.011).  Amendments may also be made under Article 34(2)(b) to the description, claims and drawings before and during the international preliminary examination procedure (see paragraphs 10.024 to 10.028, and 10.067 to 10.071).  Such amendments are in addition to the possibilities for correction of defects under Article 11 and Rule 20 (see paragraphs 6.024 to 6.026) and Article 14 and Rule 26 (see paragraph 6.032), and to the possibility for rectification of obvious mistakes under Rule 91.1 (see paragraphs 11.033 to 11.044).  Applicants are also guaranteed the opportunity to amend the international application for the purposes of the national phase by virtue of Articles 28 and 41 (see National Chapters).

Source: http://www.wipo.int/pct/en/appguide/text.jsp?page=ip11.html

Date retrieved: 24 November 2017

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PCT Articles

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PCT Applicant's Guide - International Phase