PCT Newsletter


January 2026 | No. 01/2026

New Version of WIPO Standard ST.3 Published in December 2025

A revised WIPO Standard ST.3 (RECOMMENDED STANDARD ON TWO-LETTER CODES FOR THE REPRESENTATION OF STATES, OTHER ENTITIES INTERGOVERNMENTAL ORGANIZATIONS) was published on the WIPO website on 18 December 2025, taking effect from that date.
The main revisions include: 
  • The addition of a two-letter code ‘FM’ for Micronesia (Federated States of).
  • Editorial corrections in the French and Spanish versions to improve accuracy and ensure consistency across all language versions.
The revised WIPO Standard ST.3 is available in the following languages:
WIPO Standards provide a globally recognized common framework for managing and processing IP information and documentation. The complete list of WIPO Standards is published in Part 3 of the WIPO Handbook on Intellectual Property Information and Documentation, which is the authoritative source for WIPO Standards, recommendations, and guidelines related to IP data, information, and documentation.
More information about WIPO Standards is available at: 
www.wipo.int/en/web/standards​​​​​​​

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