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 16, 2025
Published on:
October 16, 2025
Changes in this version include:
RO: ISA competency
Version applicable as from
September 1, 2025
Published on:
October 15, 2025
Changes in this version include:
ISA: ISA fees
Version applicable as from
July 1, 2025
Published on:
July 1, 2025
Changes in this version include:
RO: Electronic filing, RO fees
ISA: ISA fees
IPEA: IPEA 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
June 27, 2024
Published on:
November 5, 2024
Changes in this version include:
GENERAL INFO: Payment methods
RO: Agent, Electronic filing
Summary of requirements for entry into the national phase: Special requirements, Time limits for national phase entry, National fees
The procedure in the national Phase: Various
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
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
March 21, 2024
Published on:
March 21, 2024
Changes in this version include:
Useful information: Useful information
Summary of requirements for entry into the national phase: Restoration of the right of priority
Annexes: Divers
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 2, 2023
Published on:
November 2, 2023
Changes in this version include:
Update note 1.
Version applicable as from
November 1, 2023
Published on:
September 18, 2023
Changes in this version include:
RO: RO fees
ISA: ISA fees
IPEA: IPEA 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.
ISA: ISA fees