Certificates

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 present 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.
Certificates include post issuance documents, e.g., ex parte and inter partes reexamination documents. These were weekly and are daily starting on Ocotober of 2012.
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2019-03-19   Download (154 KB)

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