How does the USPTO handle multiple correspondence addresses specified in a single document?

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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. When multiple correspondence addresses are specified in a single document, the USPTO has a specific procedure for selecting which address to use. According to MPEP 601.03(b) : “If more than one correspondence address is specified in a single document, the Office will select one of the specified addresses for use as the correspondence address and, if given, will select the address associated with a Customer Number over a typed correspondence address.” This means that if you provide multiple addresses, the USPTO will choose one, giving preference to a Customer Number address over a typed address. To avoid confusion, it’s best to clearly specify only one correspondence address in your patent application documents. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Requirement for Correspondence Address and Daytime Telephone Number MPEP 601.03(b) Required ADS Overrides Declaration for Correspondence Address MPEP 601.03(b) Selection of Correspondence Address for Applications Filed Before September 16, 2012 MPEP 601.03(b) Application Must Specify Correspondence Address MPEP 601.03(b) Required Change of Correspondence Address Only Permitted Under Specific Conditions MPEP 601.03(b) Order of Preference for Specified Correspondence Addresses MPEP 601.03(b) Patent Practitioner Can Change Correspondence Address MPEP 601.03(b) Permitted Contents of Patent Application Required MPEP 601 Required Fee Required for Patent Application MPEP 601 Required Inventor Must File Written Patent Application MPEP 601 Required Other Related FAQs 5 FAQs Collapse What is the priority order for correspondence addresses in patent applications? Is a daytime telephone number required in patent applica...