The document provides an overview of the product planning process outlined in Chapter 4 of the textbook "Product Design and Development" by Karl T. Ulrich and Steven D. Eppinger. It discusses identifying product development opportunities, evaluating and prioritizing projects, allocating resources and planning timing. A case study of Xerox's Lakes project to develop a digital copier platform is provided as an example. Key aspects of product planning include developing a portfolio of projects aligned with company strategy, market segmentation, technology roadmaps, and balancing fundamentally new vs. incremental projects.