What information about the nonsigning inventor must be included in the patent application?

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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 filing a patent application with an unavailable joint inventor, you must include the last known address of the nonsigning inventor. As stated in MPEP 409.03(a) : “The last known address of the nonsigning joint inventor must be stated.” For more details on providing this information, refer to MPEP 409.03(e) . This requirement helps the USPTO in potential future communications and establishes that efforts were made to locate the inventor. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Last Known Address of Nonsigning Joint Inventor Must Be Stated MPEP 409.03(a) Required Nonsigning Inventor Must State Last Known Address MPEP 409.03(e) Required Inventor Last Known Address Required MPEP 409.03(e) Recommended Oath/Declaration Requirement for Joint Inventors MPEP 409.03(a) Required Nonsigning Inventor's Last Known Residence MPEP 409.03(e) Requirement for Joint Inventors to File on Behalf of Unlocatable or Refusing Co-Inventors MPEP 409.03(a) Prohibited Requirement for Handling Patent Applications with Unavailable Inventors Before Sept 16, 2012 MPEP 409 Requirement for Unavailable Inventors After September 16, 2012 MPEP 409 Legal Representative Must Sign Papers After Joint Inventor Dies MPEP 409.01(b) Required Requirement for Deceased Inventor Applications Before September 16, 2012 MPEP 409 Other Related FAQs 5 FAQs Collapse What is the significance of the September 16, 2012 date in relation to joint inventor patent applications? What information must be included in an oath or declaration for an unavailable joint inventor? How can I prove that a joint inventor cannot be found or refuses to sign the application? What are the requirements for filing a patent applica...