Current
Version applicable as from
12 Dec 2025
Published on:
12 Dec 2025
This is the version currently applicable
Changes in this version include:
GENERAL INFO: Telephone numbers, Types of protection available via the PCT
Summary of requirements for entry into the national phase: National fees (with effect since 1 January 2025)
The procedure in the national Phase: Various
Annexes: National fees (with effect since 1 January 2025), New form
Version applicable as from
13 Mar 2025
Published on:
13 Mar 2025
Changes in this version include:
RO: Electronic filing, Incorporation by reference, Color drawings
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:
1 Oct 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.
RO: Languages, Electronic filing, RO fees