2011
DOI: 10.1287/mnsc.1110.1321
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Entry and Patenting in the Software Industry

Abstract: To what extent are firms kept out of a market by patents covering related technologies? Do patents held by potential entrants make it easier to enter markets? We estimate the empirical relationship between market entry and patents for 27 narrowly defined categories of software products during the period 1990-2004. Controlling for demand, market structure, average patent quality, and other factors, we find that a 10% increase in the number of patents relevant to market reduces the rate of entry by 3%-8%, and th… Show more

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Cited by 122 publications
(42 citation statements)
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“…Patent litigation actions are not only proactive to take the adversary to court, but also defend or file a countersuit. They indicate the complexity of patent litigation in which disputants often play the double role of both plaintiff and defendant (Cockburn and MacGarvie 2011).…”
Section: Patent Litigation Strategy and Tacticsmentioning
confidence: 99%
“…Patent litigation actions are not only proactive to take the adversary to court, but also defend or file a countersuit. They indicate the complexity of patent litigation in which disputants often play the double role of both plaintiff and defendant (Cockburn and MacGarvie 2011).…”
Section: Patent Litigation Strategy and Tacticsmentioning
confidence: 99%
“…Knowing when inventors are less forthcoming about known relevant prior art has implications for public policy as well. Granting patents whose novelty has been incorrectly assessed can lead to wasteful litigation (Allison and Lemley, 1998), a proliferation of patenting for the sole purpose of deterring litigation (Hall and Ziedonis, 2001), and reduced overall investment in R&D (Cockburn and MacGarvie, 2006). If inventors and their firms are granted levels of exclusivity beyond what is warranted, competing firms may be deterred from devising socially beneficial inventions.…”
Section: Implications Limitations and Future Researchmentioning
confidence: 99%
“…I n the intellectual property (IP) management literature, patenting knowledge has been identified as an important strategic action for a wide variety of reasons. A first purpose of patenting is commercializing new knowledge without being hindered by imitators (Cockburn and MacGarvie, 2009). Second, firms can patent for more "strategic" purposes.…”
Section: Introductionmentioning
confidence: 99%