Current
Version applicable as from
February 27, 2026
Published on:
February 27, 2026
This is the version currently applicable
Changes in this version include:
GENERAL INFO: RO Competency, DO/EO Competency, PCT Types of protection (applicable since 27 August 2025)
Version applicable as from
July 3, 2025
Published on:
July 4, 2025
Changes in this version include:
GENERAL INFO: Contact details
Version applicable as from
March 14, 2025
Published on:
March 14, 2025
Changes in this version include:
GENERAL INFO: Payment methods
RO: Electronic filing, Incorporation by reference, Color drawings
Version applicable as from
March 14, 2025
Published on:
March 14, 2025
Changes in this version include:
GENERAL INFO: Payment methods
RO: Electronic filing, Incorporation by reference, Color drawings
Version applicable as from
November 1, 2024
Published on:
September 19, 2024
Changes in this version include:
RO: Electronic filing, RO fees
Version applicable as from
September 1, 2024
Published on:
August 19, 2024
Changes in this version include:
RO: ISA competency, IPEA competency (entry into force 1 September 2024)
Version applicable as from
August 15, 2024
Published on:
August 15, 2024
Changes in this version include:
RO: IPEA competency, ISA competency
Version applicable as from
September 15, 2023
Published on:
September 15, 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.
RO: ISA competency, IPEA competency