The Certificates of Correction File contains a listing of all Certificates of Correction for US patent documents and lists the following fields:
Kind of Document Code (always "X6")
The Certificates of Correction File is normally updated on a monthly basis.
In addition, layout information for the Certificates of Correction File is provided. Additional information regarding Certificates of Correction can be found on the list at the following location http://www.uspto.gov/web/offices/pac/doc/general/correct.htm .
Click here to download the zipped file (last updated April 28, 2017).
Weekly listings of published Certificates of Correction are provided below:
The layout information for the weekly listing is as follows.
for Month DD, YYYY
Some contents linked to on this page require a plug-in for ZIP File .