Patent grant single-page TIFF images (JUL 31, 1790 - present) (Grant Yellow Book 2 based on WIPO ST.33)

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Contains the images of each patent grant issued weekly (Tuesdays) from July 31, 1790 to December 26, 2023 in Tagged Image File Format (TIFF) Revision 6.0 with CCITT Group 4 Compression (single-page TIFFs). Includes a separate weekly Certificates-of-Correction (C-of-C) file and a daily Certificates file.
These historical statistics are data for requests for reexamination filed since 7/1/1981 (for ex parte) or since 11/29/1999 (for inter partes). They are updated weekly.
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2012-09-25   Download (1.73 MB)

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