Can I add new matter when submitting omitted drawings to 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. When submitting omitted drawings to a patent application, it’s crucial to understand that you cannot add new matter. The MPEP 601.01(f) states: “If omitted drawing(s) are filed, the application will be given a filing date as of the date of such filing, provided the submitted drawing(s) do not add new matter to the originally filed application.” This means that the drawings you submit must only illustrate what was already described in the original application’s specification. Adding new features or details not previously disclosed would be considered new matter and could result in the loss of your original filing date or rejection of the added material. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Fee and Oath/Declaration Requirement for Patent Application MPEP 601 Required Contents of Patent Application Required MPEP 601 Required Drawing Submission as Filing Date for Pre-AIA Applications MPEP 601.01(f) Required Fee May Be Submitted After Filing Date With Surcharge MPEP 601 Permitted Components Required for Filing Date MPEP 601 Specification Required for Filing Date MPEP 601 Required Inventor Must File Written Patent Application MPEP 601 Required Components Required for Filing Date MPEP 601 Filing Date for Non-Design Applications Without Drawings MPEP 601.01(f) Filing Date Reconsidered for Missing Drawings in Nonprovisional and Design Applications Filed Before December 18, 2013 MPEP 601.01(f) Other Related FAQs 5 FAQs Collapse How does the USPTO determine if drawings are necessary for a patent application? Can a patent application filing date be restored if drawings are filed late? Can a patent application be filed without drawings? What happens if drawings ar...