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

    Updated: Jan 12, 2014

    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. 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. Approx. 82 MB.

    Data and Resources

    About this Dataset

    Resource Type Dataset
    Metadata Date 07/15/2013
    Metadata Created Date Jul 20, 2013
    Metadata Updated Date Jan 12, 2014
    Reference Date(s) 09/01/1981 - Present
    Responsible Party Unknown
    Contact Email
    Access Level public
    Data Dictionary http://patents.reedtech.com/downloads/PatentMaintFeeEvents/1981-present/MaintFeeEventsFileDocumentation.doc
    Data Quality TRUE
    Frequency Of Update Weekly (Tuesdays)
    Issued 12/01/2009
    Metadata Source dms
    References http://patents.reedtech.com/downloads/PatentMaintFeeEvents/1981-present/MaintFeeEventsFileDocumentation.doc
    Spatial Text National and international
    Theme Section 15. Business Enterprise

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