What are the essential requirements for a reissue oath or declaration?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-27 10 Rules 1 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. According to MPEP 1444 , all reissue oaths or declarations must contain the following: A statement that the applicant believes the original patent to be wholly or partly inoperative or invalid due to a defective specification or drawing, or because the patentee claimed more or less than they had the right to claim. A statement of at least one error which is relied upon to support the reissue application. The MPEP states: Much of the required content of a reissue oath or declaration will differ based on the filing date of the reissue application. However, all reissue oaths or declarations must contain the following: followed by the two points mentioned above. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Reissue Oath/Declaration Must Contain Specific Statements and Error Description MPEP 1444 Required Requirement for Stating Original Patent is Inoperative or Invalid MPEP 1444 Statement of Error for Reissue Support MPEP 1444 Content of Supplemental Reissue Oath/Declaration Required MPEP 1444 Required Claims Must Be Listed in Reissue Application MPEP 1444 Different Actions Based on Filing Date for Reissue Application MPEP 1444 Required Requirements for Reissue Oath/Declaration MPEP 1444 Supplemental Reissue Oath Not Required If Errors No Longer Relied Upon MPEP 1444 Required Supplemental Reissue Oath Must State Lack of Deceptive Intent MPEP 1444 Required No Supplemental Reissue Oath Required After Allowance MPEP 1444 Required Other Related FAQs 1 FAQs Collapse How are reissue applications handled differently in terms of signatory authority?