How can I request expungement of an assignment record?

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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 request expungement of an assignment record, you need to submit a petition to the USPTO. According to MPEP 323.01(d) , the petition should: Clearly identify the assignment record document to be expunged State the reason for expungement Include the fee set forth in 37 CFR 1.17(g) Provide a copy of the original assignment record to be expunged (if available) The petition should be mailed to the Mail Stop Assignment Recordation Services, Director of the USPTO. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Recorded Assignment Documents Cannot Be Expunged Even If Invalid MPEP 323 Requirement for Submitting Corrective Document to Amend Recorded Assignment MPEP 323 Required Corrective Document Must Identify Error Location MPEP 323 Required Original Cover Sheet Required for Corrective Document MPEP 323 Recommended Corrective Document Must Be Recorded With New Reel and Frame Number MPEP 323 Recording Fee Required for Corrective Documents MPEP 323 Required Corrections for Mergers and Name Changes MPEP 323 Permitted Recorded Assignments Not Expunged Even If Invalid MPEP 323 Assignment Documents Cannot Be Removed Once Recorded MPEP 323 New Recordation Form Cover Sheet Required for Corrections MPEP 323 Other Related FAQs 5 FAQs Collapse What types of assignment records can be expunged? Can additional correct documents be recorded after an assignment record is expunged? What are the normal corrective procedures for assignment records? Are there any limitations on expunging assignment records at the USPTO? Can assignment records be expunged from the USPTO database?