How is the classification of a new patent application determined?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-10 10 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. The classification of a new patent application is determined when it is received at a Technology Center. This classification is an important step in the patent examination process as it helps route the application to the appropriate examining group and aids in prior art searches. According to MPEP § 719.03 , When a new application is received in a Technology Center, the classification of the application […] [is] noted in the application file. The classification is based on the subject matter of the invention and follows the United States Patent Classification (USPC) system or the Cooperative Patent Classification (CPC) system. For more detailed information on classification practices, refer to MPEP § 903 on Classification. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Design and Plant Patent Classification Required MPEP 903 Utility Patents and Applications Require CPC Classification MPEP 903 Notations Required for Priority Claims MPEP 719 Patent Application Confidentiality Requirement MPEP 101 Patent Application Confidentiality Requirement MPEP 101 Required Patent Application Publication Timing and Conditions MPEP 101 Required Director’s Decision on Patent Application Release Final and Unreviewable MPEP 101 Required Applicant Can Withdraw Patent Application Request At Any Time MPEP 101 Permitted Access to Published Abandoned Patent Application Files MPEP 101 Required Access to Published Patent Application Files Is Allowed Upon Request MPEP 101 Required Other Related FAQs 5 FAQs Collapse 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 ...