What is the general mailing address for patent-related correspondence with 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 general mailing address for patent-related correspondence is: Commissioner for Patents P.O. Box 1450 Alexandria, Virginia 22313-1450 This address is used for various patent-related documents, including: Patent applications Replies to notices of informality Requests for extension of time Notices of appeal to the Patent Trial and Appeal Board Requests for reexamination Petitions to the Commissioner for Patents As stated in MPEP 501 : “Correspondence in patent-related matters under the direction of the Commissioner for Patents should be addressed to: Commissioner for Patents, P.O. Box 1450, Alexandria, Virginia 22313-1450.” For more information on patent application filing, visit: patent application filing . For more information on patent correspondence, visit: patent correspondence . Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Address for Patent Correspondence with Commissioner MPEP 501 Recommended Addresses for Patent and Trademark Correspondence Must Be Specified MPEP 501 Recommended Patent Correspondence Must Be Addressed to Commissioner MPEP 501 Requests for Patent Document Copies Must Be Addressed to Specific Office MPEP 501 Recommended Patent Assignments Must Be Addressed to Assignment Services Division MPEP 501 Recommended Appeal Correspondence Must Be Addressed to Board MPEP 501 Recommended Appeal Briefs Must Be Addressed to PTAB MPEP 501 Disclosure of Assistance in Patent Application Preparation Required MPEP 501 Assignments Must Be Addressed to Assignment Recordation Services MPEP 501 Proper Address for USPTO Correspondence MPEP 501 Required Other Related FAQs 5 FAQs Collapse How should I submit correspondence that requires immediate USPTO attent...