Useful Links General Information Concerning Patents from USPTO Web site Adobe Acrobat Free Reader Obtain the Reader for receiving patent drawings via e-mail Listing of File Extensions Useful to identify file types and the programs that created them Converter's Paradise Download files to convert computer files from one type to another Patent Drawing Specifications from the United States Patent and Trademark Office Standard for U.S. Patent Drawings 37 CFR 1.84 MPEP - Manual of Patent Examining Procedure for U.S. - Table of Contents [Section 608.02 concerns Drawings] "Guide for the Preparation of Patent Drawings" published in 2002 by the U.S. Patent and Trademark Office [10 MB file] Patents Guidance, Tools & Manuals  Example of Form PTO-948 [Notice of Draftsperson's Patent Drawing Review] United States Patent Search Patent Drawing Specifications for PCT [Patent Cooperation Treaty] PCT Drawing Requirements from Volume I, Chapter V of the PCT Applicant's Guide PCT Applicant's Guide Volume I - Table of Contents PCT Regulations - Table of Contents Example of Form PCT/RO/106 (Annex C1) [Notice of Patent Drawing Review] Trademark Specifications Rules of Practice for U.S. Trademark Law Patent Offices USPTO - United States Patent and Trademark Office PCT - Patent Cooperation Treaty WIPO - World Intellectual Property Organization EPO – European Patent Office Patent Office Sites Around the World Listing of Patent Attorneys and Agents United States Patent Attorneys/Agents listed by State