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Title: Valuing assistive technologies
Authors: Jeffrey A Kohler, Robert Mencer
Published: 1996
Publication: RESNA Conference: Salt Lake City, Utah

We developed a simple method of valuing NET Present Worth of an invention based on formulae used by the finance and insurance industries. Most inventors have inflated views of their invention's worth, making negotiations difficult. This model has been used in the negotiations of license agreements and has proven to be useful. It provides a model into which negotiators can frame their questions and demands, and in which they can assess the "reasonableness" of the demand. It is particularly useful when negotiating payments in advance of royalties, because it demonstrates the impact the advance will have on the royalty rate, and how that can impact the future returns.

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