Current
Version applicable as from
20 Mar 2025
Published on:
6 Oct 2025
This is the version currently applicable
Changes in this version include:
Summary of requirements for entry into the national phase: Restoration of the right of priority, Reinstatement of rights
Version applicable as from
15 Sep 2023
Published on:
21 Jun 2024
Changes in this version include:
From now on, you will find here a summary of changes to each new version of the PCT Applicant's Guide, as well as the detailed list of these changes. Moreover, you can now easily access the historical versions of the Guide.