What is the central facsimile number for patent application-related correspondence at the USPTO?

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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. The central facsimile number for patent application-related correspondence at the USPTO is (571) 273-8300 . According to MPEP 502.01 : All patent application related correspondence transmitted by facsimile must be directed to the central facsimile number, with a few exceptions below. The central facsimile number is (571) 273-8300. This central number should be used for most patent-related correspondence, including replies to Office actions and after-final amendments. However, there are specific exceptions for certain types of correspondence that should be sent to other facsimile numbers, as outlined in the MPEP. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Central Facsimile Number for Patent Applications MPEP 502.01 Required Central Facsimile Number for Patent Correspondence MPEP 502.01 Facsimile Transmission to Office of the Solicitor MPEP 502.01 Replies to Office Actions Must Use Central Facsimile Number MPEP 502.01 Required Types of Correspondence Permitted by Facsimile MPEP 502.01 Permitted Customer Service Number for Patent and Trademark Copies MPEP 502.01 Facsimile Correspondence to Office of the Solicitor Permitted MPEP 502.01 Permitted Facsimile Must Be Sent to Specific Numbers for Petitions MPEP 502.01 Facsimile Correspondence to Office of Enrollment and Discipline Required MPEP 502.01 Patent Application Secrecy Order Correspondence Must Not Be Faxed MPEP 502.01 Prohibited Other Related FAQs 5 FAQs Collapse What is the receipt date for facsimile transmissions to the USPTO? How does the USPTO handle facsimile transmissions received outside of business hours? What types of patent-related correspondence can be sent by facsimile to the USPTO? How should ...