Patent Portfolio Management of Sequential Inventions: Evidence from US Patent Renewal Data
Jinyoung Kim ()
Review of Industrial Organization, 2015, vol. 47, issue 2, 195-218
This paper investigates a firm’s decisions regarding renewal and patenting of sequential inventions and tests the implications of a dynamic model of patent portfolio management where a firm makes the decisions taking into account complementarity and substitutability across sequential inventions. We use cross-price effects of renewal fees and filing fees on renewal and patenting decisions to identify complementarity or substitutability. We find that higher filing fees are associated with a lower probability of patent renewal, which supports the idea of complementarity across sequential inventions. Copyright Springer Science+Business Media New York 2015
Keywords: Application filing fees; Patent portfolio; Patent renewal fees; Patenting; Renewal; Sequential inventions; O32; O34 (search for similar items in EconPapers)
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