When is it appropriate to include sequences in patent drawings?

While sequences should generally be included in the Sequence Listing XML rather than duplicated in drawings, there are several situations where including sequences in patent drawings may be appropriate or necessary. According to MPEP 2412.06: “Many significant sequence characteristics may only be demonstrated by a figure. This is especially true in view of the fact…

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Why are drawing figures recommended for certain sequence representations?

Drawing figures are recommended for certain sequence representations because they can effectively illustrate important characteristics that may not be adequately conveyed in a standard sequence listing. The MPEP 2422.02 provides several reasons for this: Double-stranded nucleotides: “The representation of double stranded nucleotides is not permitted in the ‘Sequence Listing’.” Specific nucleotide features: “Many significant nucleotide…

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