Data provided by United States Patent and Trademark Office
Contains recorded maintenance fee events for patents granted from September 1, 1981 to present. Each new weekly file is cumulative.
About this Dataset
Updated: 2025-12-21
Metadata Last Updated:
2025-08-28
Date Created:
N/A
Data Provided by:
Dataset Owner:
U.S. Patent and Trademark Office (USPTO)
| Title | Patent Maintenance Fee Events (1981 - Present) |
|---|---|
| Description | Contains recorded maintenance fee events for patents granted from September 1, 1981 to present. Each new weekly file is cumulative. |
| Modified | 2025-08-28 |
| Publisher Name | Patents |
| Contact | mailto:[email protected] |
| Keywords | tuesday , uspto , ascii , patent , grant , event code , maintenance fee |
{
"identifier": "EIP-5710P-OL",
"accessLevel": "public",
"contactPoint": {
"@type": "vcard:Contact",
"fn": "Christopher Leithiser",
"hasEmail": "mailto:[email protected]"
},
"programCode": [
"006:070"
],
"landingPage": "https:\/\/data.uspto.gov\/bulkdata\/datasets",
"title": "Patent Maintenance Fee Events (1981 - Present)",
"description": "Contains recorded maintenance fee events for patents granted from September 1, 1981 to present. Each new weekly file is cumulative.",
"language": [
"en-US"
],
"distribution": [
{
"accessURL": "https:\/\/data.uspto.gov\/bulkdata\/datasets\/ptmnfee2",
"format": "ascii"
}
],
"bureauCode": [
"006:51"
],
"modified": "2025-08-28",
"publisher": {
"@type": "org:Organization",
"name": "Patents",
"subOrganizationOf": {
"@type": "org:Organization",
"name": "U.S. Patent and Trademark Office (USPTO)",
"subOrganizationOf": {
"@type": "org:Organization",
"name": "Department of Commerce (DOC)",
"subOrganizationOf": {
"@type": "org:Organization",
"name": "U.S. Federal Government"
}
}
}
},
"theme": [
"patent",
"patent grant",
"maintenance",
"fee",
"events"
],
"keyword": [
"tuesday",
"uspto",
"ascii",
"patent",
"grant",
"event code",
"maintenance fee"
]
}
