Clear and adequately detailed patent drawings are just as crucial to a successful application as the textual information they illustrate. In response to reader demand, patent agent Lo and attorney Pressman have written a step-by-step guide to patent drawing. Created as a companion publication to Pressman’s Patent It Yourself (Nolo, 1996), it’s easier to understand than the Patent and Trademark Office (PTO) equivalent, Guide for the Preparation of Patent Drawings (GPO, 1993). This book shows how to prepare formal drawings using a pen, a computer-aided design (CAD) program, a camera, or by tracing a photograph. It also notes common errors to avoid, tells how to interpret and respond to objections or rejections by the PTO, and explains terminology (“informalities,” “enabling disclosure,” “prior art”) to which nonspecialists will be exposed in the process. Any library owning Pressman’s Patent It Yourself (a self-help standard in its own right) will want this one, too.?

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