Abstract
This study applies two variables in the measurement of company patent deployment strategies: patent family depth and earn plan ratio. Patent family depth represents the degree to which certain fields and markets are valued by the patent owner. Earn plan ratio defined as the ratio of the number of patent forward citations to patent family size. Earn plan ratio indicates the degree to which a patent family could be cited by later innovators and competitors. This study applies a logistic regression model in the analysis LED industry data. The results demonstrate that patent value has a positive relationship with the patent family depth, and earn plan ratio.
Highlights
A light-emitting diode (LED) is a semiconductor that converts electric energy to light energy
Patent family depth and earn plan ratio play more of a role than number of patent claims and number of backward citations in the probability of patent litigation
We found significant differences of number of patent claims, number of backward citations, patent family depth and earn plan ratio between non-litigated and litigated patents
Summary
A light-emitting diode (LED) is a semiconductor that converts electric energy to light energy. It is applied in a broad range of technologies, including substrates, epitaxy, chips, encapsulation, etc. As technology is core to LED companies’ competitiveness, patent applications are used by the industry as an effective mechanism to protect intellectual property. Patent litigation can have a negative effect on company operations. For these reasons, patent litigation is not considered if a patent does not offer substantial payoff. Patent litigation is not considered if a patent does not offer substantial payoff This is why patent litigation is a useful standard for measuring patent value [2]
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