Ownership group is ‘CISG’ for 12 files.
https://www.uspto.gov/sites/default/files/products/24hrbox-documentation-2013.pdf
https://www.uspto.gov/sites/default/files/products/AIA_CPC_XML_Documentation.pdf
https://www.uspto.gov/sites/default/files/products/PatentFullTextAPSGreenBook-Documentation.pdf
https://www.uspto.gov/sites/default/files/products/PatentGrantXML43-Documentation-508.pdf
https://www.uspto.gov/sites/default/files/products/Patent_Grant_XML_v4.3.pdf
https://www.uspto.gov/sites/default/files/products/TMApp-Characterset-Documentation-508.pdf
https://www.uspto.gov/sites/default/files/products/application-dtd110804.pdf
https://www.uspto.gov/sites/default/files/products/patent-app-20100002082-XMLMetaData.pdf
https://www.uspto.gov/sites/default/files/products/patent-grant-7642344-XMLMetaData.pdf
https://www.uspto.gov/sites/default/files/products/ttab-dtd-021304.pdf
https://www.uspto.gov/sites/default/files/documents/Public_Search_Facility_Guide_2023.pdf
https://www.uspto.gov/sites/default/files/products/library/search/Conductrulespsfinal1105.pdf