How should ambiguity symbols be used in amino acid sequences?
The use of ambiguity symbols in amino acid sequences is addressed in MPEP 2412.05(d). Here are the key points: Ambiguity symbols are used when an amino acid in a sequence is not clearly identified. The MPEP states: “The symbol “Xaa” or “X” should be used for an unknown or other amino acid.“ When “X” is…
Read MoreWhat is the EPO’s policy on nucleotide and amino acid sequences in international applications?
What is the EPO’s policy on nucleotide and amino acid sequences in international applications? The European Patent Office (EPO) has specific requirements for international applications containing nucleotide and/or amino acid sequences: According to the MPEP: Where an international application contains disclosure of nucleotide and/or amino acid sequences, the EPO will search the international application to…
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