How are obvious mistakes in international patent applications rectified?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-27 10 Rules 4 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. Obvious mistakes in international patent applications can be rectified through a specific process. According to MPEP 1876 : “The examiner may invite applicant to rectify obvious mistakes using Form PCT/IPEA/411.” This form is used by examiners to formally invite applicants to correct obvious errors in their applications. It’s important to note that this process is specifically for obvious mistakes, as defined by PCT Rule 91 , and is part of the official examination procedure. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Examiner Can Invite Applicant to Correct Obvious Errors Using Form PCT/IPEA/411 MPEP 1876 Permitted Rectification of Obvious Mistakes Must Be Forwarded to International Bureau MPEP 1876 Required ISA/IPEA May Invite Applicant to Provide Sequence Listing MPEP 1823.02 Permitted ISA/IPEA May Invite Applicant to Furnish Sequence Listing MPEP 1848 Permitted Non-Obvious Mistakes Noted in Box VII of PCT/IPEA/408 MPEP 1876 Permitted Mistakes Noted and Called to Applicant’s Attention by Examiner MPEP 1876 Permitted Examiners Must Sign PCT/IPEA Forms MPEP 1876 Required International Preliminary Examining Authority Must Indelibly Mark Rectified Sheets MPEP 1876 Required Replacement Sheets and Letters Required for Obvious Mistakes MPEP 1876 Rectified Sheet Not Considered for Report MPEP 1876 Required Other Related FAQs 4 FAQs Collapse What is the examiner&#8217;s role in identifying mistakes in international patent applications? What is the difference between obvious and non-obvious mistakes in international patent applications? What is the purpose of Form PCT/IPEA/408 in international patent applications? Who can sign Form PCT/IPEA/408 and Form PCT/IPEA/4...