Which nucleotides are considered “specifically defined” according to WIPO Standard ST.26?

According to MPEP 2412.03(a), WIPO Standard ST.26 defines “specifically defined” nucleotides as any nucleotide other than those represented by the symbol “n”. The MPEP provides a table of nucleotide symbols, where: Symbols a, c, g, and t/u represent specifically defined nucleotides Symbols like m, r, w, s, y, k, v, h, d, and b represent…

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What is considered a “specifically defined” nucleotide or amino acid?

According to MPEP 2412.03(a), “specifically defined” refers to: For nucleotides: any nucleotide other than those represented by the symbol “n” For amino acids: any amino acid other than those represented by the symbol “X” The MPEP cites WIPO Standard ST.26, which provides tables of symbols for nucleotides and amino acids. For example, ‘a’ represents adenine,…

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What does “specifically defined” mean in the context of nucleotide and amino acid sequences?

According to MPEP 2412.03(a), “specifically defined” refers to any amino acid or nucleotide as defined in paragraph 3(k) of WIPO Standard ST.26. The MPEP states: “Specifically defined” means any amino acid or nucleotide as defined in paragraph 3(k) of WIPO Standard ST.26. This definition applies to patent applications filed on or after July 1, 2022,…

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