Does this address requirement apply to all patent applications?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-09 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. No, this specific requirement does not apply to all patent applications. The MPEP clearly states: ‘[Editor Note: This MPEP section is not applicable to applications filed on or after September 16, 2012.]’ This means that the requirement to provide the last known address of a nonsigning inventor is only applicable to pre-AIA applications filed before September 16, 2012, under 37 CFR 1.47. For applications filed on or after this date, different rules may apply, and applicants should consult the current USPTO guidelines or seek legal advice. Other Related FAQs 5 FAQs Collapse Can an inventor authorize someone else to sign the application oath or declaration on their behalf? What happens to a patent application if an inventor dies after filing but before issuance? What happens if an inventor becomes available after a 37 CFR 1.47(a) petition is granted? What happens if the last-known address of an unavailable inventor is invalid? How does the process differ for international patent applications filed by non-inventor applicants?