How can I correct an improperly recorded assignment against my patent or 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. To correct an improperly recorded assignment against your patent or application, follow these steps: File a petition under 37 CFR 1.182 to expunge the improper assignment Include evidence that the recorded assignment is improper Pay the required petition fee As stated in MPEP 323.01(c) : ‘The owner of the patent or application may petition to have such an assignment expunged from the assignment records of the Office.’ Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Recorded Assignment Documents Cannot Be Expunged Even If Invalid MPEP 323 Fee Required for Correcting Application or Patent MPEP 323.01(c) Required Correct Owner Name on Cover Sheet MPEP 323.01(c) Recommended Recording Fee Required for Corrective Documents MPEP 323 Required Corrected Cover Sheet Required for Assignment Errors MPEP 323.01(c) Required New Recordation Form Cover Sheet Required for Corrections MPEP 323 Assignment Documents Cannot Be Removed Once Recorded MPEP 323 Summary of True Chain of Title Required for Application or Patent Ownership MPEP 323.01(c) Recommended Corrected Cover Sheet for Erroneous Document MPEP 323.01(c) Recommended Owner Must Record Corrective Papers If Party Cannot Be Located MPEP 323.01(c) Prohibited Other Related FAQs 5 FAQs Collapse What fees are required when correcting an erroneous assignment or name change? What information should be included in the affidavit when correcting an erroneous assignment? How do I fill out the cover sheet when correcting an erroneous assignment or name change? What evidence is needed to support a petition to expunge an improper assignment? What should I do if someone improperly records an assignment against my patent or application?