NON-OBVIOUSNESS AND SCREENING
ZONGLAI KOU
PATRICK REY
TONG WANG
The paper offers a novel justification for the non-obviousness patentability requirement. An innovation involves two stages: research results in a technology blueprint, which development transforms into a profitable activity. An innovator, who is either efficient or inefficient,must rely on outside finance for the development. Only patented technologies are developed. Strengthening the non-obviousness requirement alleviates adverse selection by discouraging inefficient innovators from doing research, but creates inefficiencies by excluding marginal innovations. We show that it is socially optimal to raise the nonobviousness requirement so as to exclude bad innovators; we also provide several robustness checks and discuss the policy implications.
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