To the optimist, the glass is half full. To the pessimist, the glass is half empty.
To the engineer, the glass is twice is big as it needs to be.
A project is typically established to solve a problem. Introduced in Chapter I, the problem was this: prior valves were unreliable and too expensive. Suppose the design of the new valve is now base-lined. After conducting one or more patent searches, the decision is made to pursue patent protection. Perhaps the new valve has yet to be fully modeled or even tested. Still, a record of the invention should be compiled for several good reasons.