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Nobel Laureates

Optimal Patent Length and Breadth


Volume: Volume 21, No. 1

Issue: Spring 1990

Pages: pp. 106-112

Authors: Richard Gilbert and Carl Shapiro

Title: Optimal Patent Length and Breadth

Abstract: In providing rewards to innovators, there is a tradeoff between patent length and breadth. This article provides conditions under which the optimal patent policy involves infinitely-lived patents, with patent breadth adjusting to provide the required reward for innovation.


JEL Classification

Public Policy Towards Monopoly and Competition (6120)
Research and Development (6212)