How does a change in patent classification affect the issuance process?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-27 2 Rules 5 Related FAQs This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice. A change in patent classification after allowance can potentially affect the issuance process, although the specific impacts are not detailed in MPEP § 1307 . The section briefly states: “See MPEP § 903.07.” This reference to MPEP § 903.07 suggests that the procedures for handling classification changes in allowed cases are similar to those during examination. Potential effects on the issuance process may include: Reassignment to a different art unit Additional review by examiners with expertise in the new classification Possible delays in issuance to ensure proper classification Updates to USPTO databases and search systems Applicants and patent practitioners should be aware that while a classification change typically doesn’t affect the substantive examination, it may impact administrative processing and the timing of patent issuance. Related Rules from the Manual of Patent Examining Procedure 2 rules Collapse Design and Plant Patent Classification Required MPEP 903 Utility Patents and Applications Require CPC Classification MPEP 903 Other Related FAQs 5 FAQs Collapse Why is MPEP § 903.07 referenced in the section about classification changes for cases in issue? What happens if the classification of a patent application changes after it has been allowed? How is the classification of a new patent application determined? What is the difference between basic subject matter and features for additional purposes in patent classification? How does the USPC system classify subcombinations of general utility?