WIPO’s new biosequence standard ST.26 and software for editing sequences

The member states of the World Intellectual Property Organization (WIPO) have agreed that if a national or international patent application contains biosequences, the sequences must be compliant with the new standard ST.26 (currently ST.25).

WIPO's General Assembly will decide on the entry into force of the new standard in October 2021. The new standard and the corresponding rule changes will enter into force on 1 January 2022 at the earliest. By then, Section 11 of the Patent Regulations will be changed correspondingly.

WIPO has developed a WIPO Sequence software tool for applicants in cooperation with the patent authorities. The tool enables applicants to prepare sequence listings compliant with ST.26 when the application includes a sequence of at least ten nucleotides or an unbranched sequence containing at least four amino acids.

You can download the WIPO Sequence software tool (Windows, Linux or MacOS) on the WIPO website: www.wipo.int/standards/en/sequence

The PRH processing system is prepared to process sequences compliant with the new standard. After the new standard has entered into force, we examine the sequences as a part of the formal examination of the application using the WIPO Sequence Validator tool. If we notice any issues in the sequence, we will contact the applicant.

Instructions and provisions related to the standard

Section 11 of the Patent Regulations:

“If the application includes a sequence of at least ten nucleotides or an unbranched sequence containing at least four amino acids, the description part must contain a sequence listing of these, drafted in compliance with WIPO standard ST.25. The listing must be submitted also in machine-readable form. The applicant or their representative must assure that the listings conform to each other."

See WIPO Standard ST.26 (pdf) on the WIPO website.

For more information, please contact:
Jani Päiväsaari
Head of Division
Tel. +358 29 509 5842
email: firstname.lastname@prh.fi

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Latest update 09.07.2021