Current
Version applicable as from
January 1, 2026
Published on:
November 13, 2025
This is the version currently applicable
Changes in this version include:
RO: RO fees
Version applicable as from
June 5, 2025
Published on:
June 6, 2025
Changes in this version include:
GENERAL INFO: Contact details
The procedure in the national Phase: Various
Annexes: Various
Version applicable as from
January 1, 2025
Published on:
November 29, 2024
Changes in this version include:
RO: RO fees, Electronic filing
Version applicable as from
August 15, 2024
Published on:
October 1, 2024
Changes in this version include:
GENERAL INFO: Contact details (deletion of telephone number (49-89) 2195-0)
Version applicable as from
June 27, 2024
Published on:
August 8, 2024
Changes in this version include:
RO: Electronic filing
Version applicable as from
April 4, 2024
Published on:
April 5, 2024
Changes in this version include:
GENERAL INFO: Payment methods
RO: Electronic filing, Incorporation by reference
Summary of requirements for entry into the national phase: National phase, Restoration of the right of priority, Reinstatement of rights
Version applicable as from
January 1, 2024
Published on:
December 1, 2023
Changes in this version include:
RO: RO fees
Version applicable as from
September 28, 2023
Published on:
September 28, 2023
Changes in this version include:
Summary of requirements for entry into the national phase: Time limits for national phase entry, National fees
The procedure in the national Phase: Various
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.
SUMMARY: Time limits for national phase entry