Patent Grant Maintenance Fee Events (September 1, 1981 - Present)

Contains recorded maintenance fee events for patents granted from September 1, 1981 to Present. Each new weekly file is cumulative. The file format is ASCII. Available weekly (Tuesdays @ 3:00 PM U.S. Eastern Time) for no charge from: https://eipweb.uspto.gov/MaintFeeEvents or http://patents.reedtech.com/maintfee.php

This product includes a MaintFeeEvents.zip file for each week (cumulative). Within each weekly zip file is: MaintFeeEvents_yyyymmdd.txt where "yyyymmdd" is a Monday. For more information about these files: https://eipweb.uspto.gov/MaintFeeEvents/MaintFeeEventsFileDocumentation.doc

Data e Risorse

Campo Valore
accessLevel public
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dataQuality true
describedBy http://patents.reedtech.com/downloads/PatentMaintFeeEvents/1981-present/MaintFeeEventsFileDocumentation.doc
describedByType text/plain
identifier EIP-5710P-OL
issued 2009-12-01
landingPage https://eipweb.uspto.gov/MaintFeeEvents
license http://creativecommons.org/publicdomain/mark/1.0
modified 2015-03-17
programCode {006:070}
publisher US Patent and Trademark Office, Department of Commerce
references {http://patents.reedtech.com/downloads/PatentMaintFeeEvents/1981-present/MaintFeeEventsFileDocumentation.doc}
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temporal 1981-09-01/2015
theme {"Patent Grant Maintenance Fee Events"}
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isopen False
license_id other-license-specified
license_title other-license-specified
maintainer Christopher Leithiser
maintainer_email Chris.Leithiser@uspto.gov
metadata_created 2025-11-22T07:17:57.643551
metadata_modified 2025-11-22T07:17:57.643555
notes Contains recorded maintenance fee events for patents granted from September 1, 1981 to Present. Each new weekly file is cumulative. The file format is ASCII. Available weekly (Tuesdays @ 3:00 PM U.S. Eastern Time) for no charge from: https://eipweb.uspto.gov/MaintFeeEvents or http://patents.reedtech.com/maintfee.php This product includes a MaintFeeEvents.zip file for each week (cumulative). Within each weekly zip file is: MaintFeeEvents_yyyymmdd.txt where "yyyymmdd" is a Monday. For more information about these files: https://eipweb.uspto.gov/MaintFeeEvents/MaintFeeEventsFileDocumentation.doc
num_resources 1
num_tags 16
title Patent Grant Maintenance Fee Events (September 1, 1981 - Present)