Patent Assignment Text (1980-current Calendar Year)
A patent assignment is a transfer of ownership of a patent application or patent from one entity to another.
Patent assignment data contains assignor name and index and assignee name and index.
Contains daily (front file) patent assignment text (no drawings/images) derived from patent assignment recordations. The file format is eXtensible Markup Language (XML) in accordance with the Patent Assignment Daily XML (PADX) Version 0.3 Document Type Definition (DTD).
Available daily (Monday-Sunday at 1:30 a.m. EST) for no charge: https://bulkdata.uspto.gov/data/patent/assignment
This product includes an adyyyymmdd.zip file for each day. Within each daily zip file is a dyyyymmdd.xml file.
Patent Maintenance Fee Events (1981-current Calendar Year)
A patent maintenance fee is a charge for maintaining all granted patents.
Patent maintenance fee data contains patent number, application number, small entity designation, U.S. Application filing date, U.S. grant issue date, maintenance fee event entry date, and maintenance fee event code.
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 at 3 p.m. EST) for no charge: https://bulkdata.uspto.gov/data/patent/maintenancefee
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.
https://bulkdata.uspto.gov/data/patent/maintenancefee/MaintFeeEventsFileDocumentation.doc
Cooperative Patent Classification (CPC) Master Classification File (MCF) - Patent Grants (Current Calendar Year)
https://bulkdata.uspto.gov/data/patent/classification/cpc/
https://bulkdata.uspto.gov/data/patent/classification/cpc/US_Grant_CPC_MCF.docx
Cooperative Patent Classification (CPC) Master Classification File (MCF) - Patent Applications (Current Calendar Year)
Master Classification File (MCF)-Patent Application (March 15, 2001 - current Calendar Year)
Current U.S. classification information for all patent application publications (nonprovisional utility and plant) published by the USPTO from March 15, 2001 to the current calendar year. Approximately 450 main divisions of technology, called classifications/classes, broken into approximately 150,000 subdivisions, called subclassifications/subclasses. Provided in published patent application number sequence with the current U.S. original classification/subclassification and any cross-reference classification/subclassifications. The format is ASCII text. Available on or before the 15th of each odd month and contains data through the end of the previous even month. Each new bimonthly file totally replaces the previous file.
Approximately 23 MB (compressed) per bimonthly file.
Available six times a year for no charge: https://bulkdata.uspto.gov/data/patent/classification
https://bulkdata.uspto.gov/data/patent/classification/mcfclsandmcfpat.docx
Electronic Official Gazette (eOG:P) (Rolling 52 weeks) SEARCHABLE
Published each Tuesday, the eOG:P includes bibliographic (i.e., front page) information, a representative claim, and a drawing (if applicable) of each patent grant issued that week. Patents are accessible by type of patent (utility, plant, etc.), classification (class or class/subclass), patentee name, and geographical location. Links enable users to "jump" to a specific patent from these various indexes. Includes U.S. Patent and Trademark Office Notices which provide important information and changes in rules concerning both patents and trademarks.
A rolling year's worth of eOG:P are available for no charge: http://www.uspto.gov/web/patents/patog/
Electronic Official Gazette (eOG:P) (Rolling 52 weeks) DOWNLOADABLE
Published each Tuesday, the eOG:P includes bibliographic (i.e., front page) information, a representative claim, and a drawing (if applicable) of each patent grant issued that week. Includes U.S. Patent and Trademark Office Notices which provide important information and changes in rules concerning both patents and trademarks.
A rolling year's worth of eOG:P are available for no charge: https://bulkdata.uspto.gov/data/patent/officialgazette/2018
Patent Technology Monitoring Team (PTMT) Statistics
Multiple products available at http://www.uspto.gov/web/offices/ac/ido/oeip/taf/reports.htm.
For more information on bulk data products, contact ipd@uspto.gov.