What are the requirements for international applications disclosing nucleic acid or amino acid sequences?

For international applications subject to WIPO ST.25 requirements that disclose nucleic acid or amino acid sequences, specific rules apply. MPEP 2420 states: “See PCT Rule 5 and Rule 13ter, and MPEP § 1823.02 and § 2422, for the requirements under the PCT for international applications subject to WIPO ST.25 requirements and that disclose nucleic acid…

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What is PSIPS and how is it related to Sequence Listings?

PSIPS stands for Publication Site for Issued and Published Sequences. It is a platform used by the USPTO for publishing lengthy Sequence Listings separately from the main patent document. MPEP 2419.02 states: “Any ASCII text file produced by the USPTO that is 600KB or more, but under 1GB will be processed for separate publication on…

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What is PatentIn and how does it relate to sequence listings?

PatentIn is a software program developed by the USPTO to facilitate compliance with sequence rules for patent applications involving nucleotide and amino acid sequences. It helps applicants generate sequence listings in a format compliant with 37 CFR 1.821-1.825 and WIPO Standard ST.25. The MPEP states: While use of the PatentIn program is not required for…

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What are the standard single-letter codes for modified and unusual nucleotides in WIPO ST.25?

What are the standard single-letter codes for modified and unusual nucleotides in WIPO ST.25? WIPO ST.25 provides standard single-letter codes for modified and unusual nucleotides in sequence listings. According to MPEP 2423: “The nucleotides listed in Appendix 2, Table 2, are the only permitted nucleotides. Where a sequence includes “other” nucleotides, they must be represented…

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What are the accepted symbols for modified nucleotides in sequence listings?

What are the accepted symbols for modified nucleotides in sequence listings? According to MPEP 2412.05, modified nucleotides can be represented in sequence listings using specific symbols. The MPEP states: “Modified nucleotides may be represented in the sequences as described in paragraph 3 of this section with the symbol “n,” and must be further described in…

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What are the rules for representing modified amino acids in WIPO ST.25 sequence listings?

What are the rules for representing modified amino acids in WIPO ST.25 sequence listings? The representation of modified amino acids in WIPO ST.25 sequence listings follows specific rules as outlined in MPEP 2423: “Modified amino acids must be represented as the corresponding unmodified amino acids in the sequence itself if possible. Any modified amino acids…

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