Mr. David Pressman is  the author of the best-selling do-it-yourself guidebook, Patent It Yourself,  that has sold over 150,000 copies since the first version appeared in 1979 and the companion software program, also called Patent It Yourself, both published by Nolo Press (Berkeley, CA). The most complete and authoritative work on patents and inventions for laypersons, it has been called "The Inventors' Bible" by the Denver Post.  

Mr. Pressman, formerly an electronic engineer, has over 38 years’ experience in the patent profession - as a patent examiner, a corporate and independent intellectual property attorney, a columnist for EDN Magazine, a patent law instructor at San Francisco State University.  He is also author of the PATENT and TRADEMARK entries in The World Book Encyclopedia. A member of MENSA, he has a B.S. in Electronic Engineering from the Pennsylvania State University and a JD from the George Washington University where he was on the Law Review