Can recorded assignment documents be expunged if found to be invalid?

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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. No, recorded assignment documents will not be expunged even if they are subsequently found to be invalid. The USPTO’s policy is to maintain a complete history of claimed interests in property. As stated in the MPEP: “Office policy regarding recordation of assignment documents is directed toward maintaining a complete history of claimed interests in property and, therefore, recorded assignment documents will not be expunged even if subsequently found to be invalid. See In re Ratny, 24 USPQ2d 1713 (Comm’r Pat. 1992).” (MPEP § 323) Once a document is recorded with the Assignment Services Division, it will not be removed from the record relating to that application or patent. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Recorded Assignment Documents Cannot Be Expunged Even If Invalid MPEP 323 Assignment Documents Cannot Be Removed Once Recorded MPEP 323 Recorded Assignments Not Expunged Even If Invalid MPEP 323 Corrective Document Must Be Recorded With New Reel and Frame Number MPEP 323 Recording Fee Required for Corrective Documents MPEP 323 Required Corrective Document Must Identify Error Location MPEP 323 Required Corrections for Mergers and Name Changes MPEP 323 Permitted Requirement for Submitting Corrective Document to Amend Recorded Assignment MPEP 323 Required New Recordation Form Cover Sheet Required for Corrections MPEP 323 Original Cover Sheet Required for Corrective Document MPEP 323 Recommended Other Related FAQs 5 FAQs Collapse Can assignment records be expunged from the USPTO database? What happens if there&#8217;s a typographical error in the recorded assignment document? How do I correct an error in a recorded assignment document? Do I need to pa...