Current
Version applicable as from
1 Jan 2025
Published on:
19 Sep 2025
This is the version currently applicable
Changes in this version include:
RO: RO fees
Version applicable as from
25 Apr 2024
Published on:
31 Oct 2024
Changes in this version include:
GENERAL INFO: Payment methods
RO: Electronic filing, Incorporation by reference
Version applicable as from
7 Mar 2024
Published on:
7 Mar 2024
Changes in this version include:
Useful information: Useful information
GENERAL INFO: Contact details
Version applicable as from
15 Feb 2024
Published on:
16 Feb 2024
Changes in this version include:
GENERAL INFO: Contact details
Version applicable as from
1 Jan 2024
Published on:
1 Dec 2023
Changes in this version include:
RO: RO fees
Version applicable as from
15 Sep 2023
Published on:
15 Sep 2023
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.
GENERAL INFO: Contact details, Various