This paper provides the first look at patent litigation hazards for public firms during the 80s and 90s. Consistent with our model, litigation is more likely when prospective defendants spend more on R&D, when prospective plaintiffs acquire more patents and when firms are larger and technologically close. Public firms face dramatically increased hazards of litigation as plaintiffs and even more rapidly increasing hazards as defendants, especially for small public firms. The increase cannot be explained by patenting rates, R&D, firm value or industry composition. Legal changes are the most likely explanation.
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Paper provided by Research on Innovation in its series Working Papers with number
0501.
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Nicolas van Zeebroeck & Bruno van Pottelsberghe & Dominique Guellec, 2008.
"Patents and Academic Research: A State of the Art,"
Working Papers CEB
08-013.RS, Université Libre de Bruxelles, Solvay Brussels School of Economics and Management, Centre Emile Bernheim (CEB).
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