What are the essential parts of a patent application?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-09 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. While MPEP 203.06 mentions ‘essential parts’ without specifying them, other sections of the MPEP provide details on what constitutes a complete patent application. The essential parts typically include: Specification (including a description of the invention) At least one claim Drawings (when necessary to understand the invention) Filing fees Inventor’s oath or declaration The specific requirements may vary depending on the type of patent application (e.g., utility, design, or plant patent). It’s crucial to consult the relevant MPEP sections, such as MPEP 601 , for detailed information on application requirements. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Contents of Patent Application Required MPEP 601 Required Incomplete Application Requirements MPEP 203.06 Fee Required for Patent Application MPEP 601 Required Fee and Oath/Declaration Requirement for Patent Application MPEP 601 Required Incomplete Application Requirement MPEP 203 Reissue Application Requirements MPEP 601 Fees for Complete Application MPEP 601 Filing Fee Required for Provisional Application MPEP 601 Required Provisional Application Cannot Claim Priority or Earlier Filing Date MPEP 601 Required Specification and Claims Required for Nonprovisional Application MPEP 601 Required Other Related FAQs 5 FAQs Collapse How does the USPTO determine if a patent application is incomplete? Can an incomplete patent application be corrected? What is an incomplete patent application? What is the process for handling embassy inquiries at the USPTO? How does the USPTO handle inquiries from Congress and the White House?