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Federal
Patent Maintenance Fee Events (1981 - Present)
Department of Commerce —
Contains recorded maintenance fee events for patents granted from September 1, 1981 to present. Each new weekly file is cumulative. -
Federal
Patent Grant Bibliographic Text (1976 - Present)
Department of Commerce —
Contains the bibliographic text (front page) of each patent grant issued weekly (Tuesdays) from January 6, 1976 to present (excludes images/drawings). Subset of the... -
Federal
Pftaps19760113 Wk02
Department of Commerce —
Patent Full Text/Automated Patent System (APS) (Green Book) for one week's worth of data January 13, 1976 (Week 02).