What is a ‘file wrapper’?

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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. A ‘file wrapper’ refers to the official record of proceedings in the United States Patent and Trademark Office (USPTO) for a particular patent application or granted patent. It contains all the documents and correspondence related to the prosecution of the application or maintenance of the patent. This includes the original application, Office actions, applicant responses, amendments, and other relevant documents. The file wrapper provides a complete history of the examination process and is important for understanding the scope and validity of a patent. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Patent Application Copies and File Wrapper Contents Available Online or by Fax MPEP 103 Permitted Published Abandoned Patent Application Files Available to Public MPEP 103 Required Access to Abandoned Published Application Files Is Allowed MPEP 103 Required Public Access to Patented Application Files MPEP 103 Required Patent Application Information Must Be Kept Confidential Until Published MPEP 103 Permitted Published Abandoned Application File Available to Public MPEP 103 Permitted Entire Abandoned Patent Application Available Publicly MPEP 103 Abandoned Application Files Available Upon Request MPEP 103 Pending Application File Contents Available Upon Request MPEP 103 Patent Application Available Through Patent Center If Maintained in IFW System MPEP 103 Other Related FAQs 5 FAQs Collapse What information is available about reexamination proceedings? How can I petition for access to a confidential patent application? What patent application files are open to public inspection? What is the Image File Wrapper (IFW) system and how does it affect public access to pate...