Can filing duplicate copies of patent correspondence cause processing delays?

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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. Yes, filing unnecessary duplicate copies of patent correspondence can potentially cause processing delays at the USPTO. The MPEP 502.04 explicitly states: When the Office does not require duplicate copies of a paper, the filing of multiple copies may cause a delay in processing by the Office. This is one of the reasons why the USPTO discourages the submission of duplicate copies unless specifically required. To ensure efficient processing of your patent application or correspondence, it’s best to avoid submitting unnecessary duplicates. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Multiple Copies May Delay Processing MPEP 502.04 Permitted Correspondence Can Be Hand-Delivered During Office Hours MPEP 502 Identification of Previously Filed Patent Application MPEP 502 Required EFS-Web Enables Electronic Filing of International Design Applications MPEP 502.05 Payment of Patent Fees via EFS-Web Permitted MPEP 502.05 Permitted Office May Discard Duplicate Correspondence MPEP 502.04 Permitted Resubmission Within Two Weeks Required MPEP 502 Date of Deposit for Priority Mail Express Correspondence MPEP 502 Permitted Facsimile Transmissions for Correspondence Must Include Application Identifiers MPEP 502 Recommended Office Date Stamp Requirement for Returned Papers MPEP 502 Recommended Other Related FAQs 5 FAQs Collapse When are duplicate copies of patent correspondence required? What is the purpose of requiring separate copies for different patent files? What is the USPTO policy on filing duplicate copies of correspondence? How does the USPTO handle unnecessary duplicate copies of correspondence? What are the consequences of an improper signature on patent corresponde...