Advance notice
Version applicable as from
March 1, 2026
Published on:
January 30, 2026
This is an advance notice
Changes in this version include:
RO: ISA competency, IPEA competency
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
ISA: ISA fees
IPEA: IPEA fees
Version applicable as from
October 10, 2025
Published on:
October 10, 2025
Changes in this version include:
GENERAL INFO: Contact details
Version applicable as from
July 10, 2025
Published on:
October 7, 2025
Changes in this version include:
GENERAL INFO: WIPO DAS
Version applicable as from
July 1, 2025
Published on:
June 27, 2025
Changes in this version include:
(all changes already in force except RO fees, ISA fees and IPEA fees as from 1 July 2025)
GENERAL INFO: Payment methods, Provisional protection after international publication
RO: RO fees
ISA: ISA fees, Sequence listings
IPEA: IPEA fees
The procedure in the national Phase: Various
Annexes: Various
Version applicable as from
June 1, 2025
Published on:
May 1, 2025
Changes in this version include:
ISA: ISA fees
Version applicable as from
March 1, 2025
Published on:
January 25, 2025
Changes in this version include:
ISA: ISA fees
Version applicable as from
January 1, 2025
Published on:
November 25, 2024
Changes in this version include:
RO: RO fees
ISA: ISA fees
IPEA: IPEA fees
Version applicable as from
October 1, 2024
Published on:
September 20, 2024
Changes in this version include:
RO: RO fees
ISA: ISA fees
Summary of requirements for entry into the national phase: National fees
The procedure in the national Phase: Various
Annexes: Various
Version applicable as from
April 18, 2024
Published on:
August 19, 2024
Changes in this version include:
GENERAL INFO: Payment methods
RO: Electronic filing, Incorporation by reference
IPEA: IPEA Competency
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
ISA: ISA fees
IPEA: IPEA fees
Version applicable as from
November 1, 2023
Published on:
September 21, 2023
Changes in this version include:
ISA: ISA fees
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: Electronic filing