Roles of Patents in Innovation (Abridged)

By Dan Krueger
Let me begin by dividing the patent pool into three segments: (1) patents that you alone can use; (2) patents you can use but not exclude others from using (e.g., public domain or nonexclusive license); and (3) patents you can't use. Roles in Innovation for Patents You Alone Can Use I. Providing a barrier to competition Patents are intended to create...