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WIPO Standard ST.26 is coming into force before the European Patent Office on July 1, 2022

April 28, 2022

WIPO Standard ST.26 is coming into force before the European Patent Office on July 1, 2022

April 28, 2022

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The European Patent Office has published a decision that the new WIPO Standard ST.26 for sequence listings will replace the former WIPO Standard ST.25. European patent applications or international applications that disclose nucleotide and/or amino acid sequences and are filed on or after July 1, 2022, must include a sequence listing as part of the description, in compliance with the new WIPO Standard ST.26 (Rule 30(1) EPC / Rule 5.2 PCT). This also applies to European divisional applications filed on or after July 1, 2022.

WIPO Standard ST.26 does not apply to European and international applications filed before July 1, 2022. These applications must continue to comply with WIPO Standard ST.25 upon entry into the European phase and in the event that corrections, rectifications, amendments, or translations are made.

Further details can be found on the EPO Website


The opinions expressed are those of the authors on the date noted above and do not necessarily reflect the views of Fish & Richardson P.C., any other of its lawyers, its clients, or any of its or their respective affiliates. This post is for general information purposes only and is not intended to be and should not be taken as legal advice. No attorney-client relationship is formed.

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Moritz Ammelburg, Ph.D. | Principal

Moritz Ammelburg, Ph.D., is a principal in the Munich office of Fish & Richardson P.C. ​Moritz is an imaginative life scientist holding a doctorate in biochemistry. His practice focuses on patent prosecution in the biotechnology and pharma areas based on his deep understanding of the architecture and function of small compounds as well as...