What are the Sequence Rules in patent applications?

The Sequence Rules are a set of regulations that define how nucleotide and amino acid sequences must be presented in patent applications. According to MPEP 2421.02, these rules “define a set of symbols and procedures that are both mandatory and the only way that an applicant is permitted to describe information in the ‘Sequence Listing’…

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When do the Sequence Rules apply to patent applications?

The Sequence Rules apply to patent applications containing nucleotide sequence and/or amino acid sequence disclosures filed under WIPO ST.25. However, it’s important to note that there’s a cutoff date for the applicability of these rules. According to MPEP 2420: “[Editor Note: This section is not applicable to applications filed on or after July 1, 2022,…

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What is a “Sequence Listing XML” and when is it required?

A “Sequence Listing XML” is a standardized format for presenting nucleotide and/or amino acid sequences in patent applications. It is required for all applications filed on or after July 1, 2022, that have disclosures of nucleotide and/or amino acid sequences as defined in 37 CFR 1.831(b). The XML format ensures that sequence information is machine-readable…

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What are the requirements for sequence identifiers in a “Sequence Listing XML”?

According to MPEP 2412.05(a), sequence identifiers in a “Sequence Listing XML” must adhere to specific requirements: Each disclosed nucleotide or amino acid sequence meeting the requirements of 37 CFR 1.831(b) must appear separately in the “Sequence Listing XML”. Each sequence must be assigned a separate sequence identifier. Sequence identifiers must begin with 1 and increase…

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