What is the general mailing address for patent-related correspondence?

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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 should be used for patent applications, replies to notices of informality, requests for extension of time, notices of appeal, and other patent-related matters processed by organizations reporting to the Commissioner for Patents. As stated in the MPEP: 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 Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Addresses for Patent and Trademark Correspondence Must Be Specified MPEP 501 Recommended Address for Patent Correspondence with Commissioner 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 Disclosure of Assistance in Patent Application Preparation Required MPEP 501 Assignments Must Be Addressed to Assignment Recordation Services MPEP 501 Appeal Correspondence Must Be Addressed to Board MPEP 501 Recommended Appeal Briefs Must Be Addressed to PTAB 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 attention? What is the general mailing address for patent applications and patent-related papers? How does the USPTO handle correspondence submitted in violation of the rules? What is the Certificate of Mailing pr...