Patent Attorneys and Agents Registered to Practice before the PTO: Database of those registered to practice before the PTO.Patents Without Paper: Article about the plans the Patent and Trademark Office have to go paperless by 2007.Trademark Acceptable Identification of Goods and Services Manual: Search database.U.S. Patent Advanced Search Page: Multi-term searching with table of US Patent Field Codes.U.S. Trademark Manual Search Page: Text and Image search page with links to options for boolean, combined marks, and number searches from the US Trademark Electronic Search System (TESS).US Patent and Trademark Office (USTPO): The USPTO provides downloadable forms, free online patent and trademark searching and other information.