What are cross-references in patent classification and how are they determined?
Cross-references in patent classification are additional classifications assigned to a patent beyond its original classification. They are determined as follows: All mandatory classifications not selected as the original classification become cross-references. Additional discretionary classifications may be added by the examiner. Cross-references must be indicated on the IFW issue classification form. The MPEP states: Once the…
Read MoreWhat is the process for determining the original classification of a patent?
The process for determining the original classification of a patent involves several steps: Review the allowed claim to determine the subject matter covered. Determine all mandatory classifications. Select the original (OR) classification based on specific criteria. The MPEP states: After all mandatory classifications have been determined, the classification to be designated as the original (OR)…
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