What is the purpose of pre-AIA 37 CFR 1.47(b) in 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. Pre-AIA 37 CFR 1.47(b) allows a person with a demonstrated proprietary interest to file a patent application on behalf of an inventor who is unavailable. According to the MPEP, this provision is applicable “when no inventor is available to make application” and permits filing “on behalf of and as agent for” an inventor who “cannot be found or reached after diligent effort” or who refuses to sign the application oath or declaration . It’s important to note that this provision is not applicable to applications filed on or after September 16, 2012 . 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?