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Many databases from the United States Patent and Trademark Office. Includes Trademark Electronic Search System with 3 million+ pending, registered, and dead federal trademarks; electronic Official Trademark Gazette, available for the most recent 5 weeks; electronic Official Patent Gazette, available for the most recent 52 weeks; online Manual of Patent Classification; Patent Full-text and Full Page Image Database: page images, 1790- (searchable only by classification or patent number); full-text, 1976- (fully searchable).