WIPO Sequence Suite
WIPO Sequence is a global software tool that enables patent applicants to prepare amino acid and nucleotide sequence listings compliant with WIPO Standard ST.26
as part of a national or international patent application.
WIPO Sequence Validator is a web service for patent offices to verify that filed sequence listings comply with WIPO ST.26.
These tools were developed in collaboration with patent offices around the world, under the direction of the Committee on WIPO Standards.
Note: WIPO Standard ST.26 is now in force.
WIPO Sequence version 3.1.3 was released on 2026.07.28. WIPO Sequence Validator version 3.1.2 was released on 2026.06.30.
For Applicants
WIPO Sequence
A standalone desktop application available for Windows, Linux and MacOS. A User Manual is provided to assist applicants in generating their compliant sequence listings.
Download
By downloading and installing WIPO Sequence, you are accepting the following Terms of Use (October 2021).
Updates
Sign up for the mailing list to receive notifications of software updates and related issues: WIPO Sequence Updates
Test data set — ST.26 DTD version 1.3
The following ZIP file provides both compliant and non-compliant ST.26 instances for testing purposes: Test data set 
For Patent Offices
WIPO Sequence Validator
A web service that runs in patent office environments to check filed sequence listings for compliance with WIPO Standard ST.26. Patent Offices may obtain WIPO Sequence Validator by contacting us.
Validator Materials