When are duplicate copies of patent correspondence required?

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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 the USPTO generally discourages filing duplicate copies, there are situations where separate copies are necessary. According to MPEP 502.04 : Since each file must be complete in itself, a separate copy of every paper to be filed in a patent, patent file, or other proceeding must be furnished for each file to which the paper pertains, even though the contents of the papers filed in two or more files may be identical. This means that if a document relates to multiple patent applications or proceedings, a separate copy must be submitted for each relevant file, even if the content is identical across all copies. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Correspondence Must Be Submitted via USPTO Electronic Filing System MPEP 502 Permitted Office Date Stamp Requirement for Returned Papers MPEP 502 Recommended Identification of Previously Filed Patent Application MPEP 502 Required Correspondence for Patent Applications Must Include Specific Information MPEP 502 Recommended Methods for Submitting Patent Applications MPEP 502 Recommended Color Drawings and Photos May Be Submitted in International Design Applications MPEP 502.05 Permitted Color Drawings and Photos May Be Submitted for International Design Applications MPEP 502.05 Reproductions of Industrial Designs Must Be Submitted as Drawings, Photographs, or a Combination and in Black and White or Color MPEP 502.05 Required Reproductions of Industrial Designs Must Be Submitted as Drawings, Photographs, or Both MPEP 502.05 Payment of Patent Fees via EFS-Web Permitted MPEP 502.05 Permitted Other Related FAQs 5 FAQs Collapse Can filing duplicate copies of patent correspondence cause processing delays? What is...