Pressured staff ???lose faith??? in patent quality, Nature, vol.429, issue.6991, pp.493-493, 2004. ,
DOI : 10.1038/429493a
Empirical Analysis of the Validity of Litigated Patents, American Intellectual Property Law Quarterly Journal, vol.26, pp.185-275, 1998. ,
Who's Patenting What? An Empirical Exploration of Patent Prosecution, SSRN Electronic Journal, vol.53, pp.2099-2174, 2000. ,
DOI : 10.2139/ssrn.223312
Valuable Patents, SSRN Electronic Journal, vol.92, pp.435-482, 2004. ,
DOI : 10.2139/ssrn.426020
Statistical Analysis of Internet business Method Patents, 2001. ,
The Growing Complexity of the United States Patent System, SSRN Electronic Journal, vol.82, pp.77-144, 2003. ,
DOI : 10.2139/ssrn.281395
The Structure of Licensing Contracts, The Journal of Industrial Economics, vol.48, issue.1, pp.103-135, 2000. ,
DOI : 10.1111/1467-6451.00114
Licensing vs. Litigation: The Effect of the Legal System on Incentives to Innovate, Journal of Economics & Management Strategy, vol.8, issue.1, pp.133-160, 1999. ,
DOI : 10.1162/105864099567604
The Market for Technology in the Chemical Industry : Causes and Consequences, Revue d'??conomie industrielle, vol.92, issue.1, pp.317-334, 2000. ,
DOI : 10.3406/rei.2000.1054
Property Rights, Firm Boundaries, and R&D Inputs, SSRN Electronic Journal, 2000. ,
DOI : 10.2139/ssrn.255869
Research tool licensing and patenting and biomedical innovation, Patents in the Knowledge Based Economy, 2003. ,
Economic welfare and the Allocation of Resources for Inventions, The Rate and Direction of Inventive Activity, 1962. ,
Patents and Antitrust: a Rethinking in Light of Patent Breadth and Sequential Innovation, Antitrust Law Journal, vol.65, pp.449-466, 1997. ,
Antitrust Treatment of Oligopolies with Mutually Blocking Patent Portfolios, Antitrust Law Journal, vol.69, pp.851-882, 2002. ,
Non-Obviousness, 2002. ,
Intellectual property rights, strategic technology agreements and market structure, Research Policy, vol.31, issue.7, pp.1141-1161, 2002. ,
DOI : 10.1016/S0048-7333(01)00189-5
Patent Thickets: Strategic Patenting of Complex Technologies, SSRN Electronic Journal, 2003. ,
DOI : 10.2139/ssrn.327760
Sequential Innovations, Patents and Imitation, 2000. ,
DOI : 10.1111/j.1756-2171.2009.00081.x
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.175.7986
An Empirical Look at Software Patents, Research on Innovation Working Paper no, pp.3-16, 2004. ,
DOI : 10.2139/ssrn.461701
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.107.1228
Intensity of competition and the incentive to innovate, International Journal of Industrial Organization, vol.19, issue.5, pp.705-726, 2001. ,
DOI : 10.1016/S0167-7187(00)00090-4
Dynamic Count Data Models of Technological Innovation, The Economic Journal, vol.105, issue.429, pp.333-344, 1995. ,
DOI : 10.2307/2235494
MEPs warned on implications of EU software moves, Financial Times, 2004. ,
EU ministers vote back controversial draft patent law, Financial Times, 2005. ,
Is Patent Law Technology-Speci?c?, Berkeley Technology Law Journal, vol.17, pp.1155-1220, 2002. ,
DOI : 10.2139/ssrn.349761
URL : http://arxiv.org/abs/cs/0109107
La Propriété Intellectuelle sur les Logiciels, 2003. ,
Patent Scope, Antitrust Policy, and Cumulative Innovation, The RAND Journal of Economics, vol.26, issue.1, pp.34-57, 1995. ,
DOI : 10.2307/2556034
Strategic Bidding By Potential Competitors: Will Monopoly Persist?, The Journal of Industrial Economics, vol.48, issue.2, pp.161-175, 2000. ,
DOI : 10.1111/1467-6451.00116
Patent Litigation as an Information-Transmission Mechanism, American Economic Review, vol.88, pp.1249-1263, 1998. ,
PATENT POOLS AND CROSS-LICENSING IN THE SHADOW OF PATENT LITIGATION*, International Economic Review, vol.34, issue.2, 2002. ,
DOI : 10.1111/j.1468-2354.2010.00587.x
Tying, Investment, and the Dynamic Leverage Theory, The RAND Journal of Economics, vol.32, issue.1, pp.52-77, 2001. ,
DOI : 10.2307/2696397
Patent Scope and Innovation in the Software Industry, California Law Review, vol.89, issue.1, pp.891-57, 2001. ,
DOI : 10.2307/3481172
Empirical Studies of Innovation and Market Structure, Handbook of Industrial Organization, 1989. ,
Protecting their Intellectual Assets: Appropriability Conditions and Why U.S. Manufacturing Firms Patent (or Not), 2000. ,
DOI : 10.3386/w7552
Economic Analysis of Legal Disputes and their Resolution, Journal of Economic Literature, vol.27, pp.1067-1097, 1989. ,
Litigation and Settlement in Patent Infringement Cases, The RAND Journal of Economics, vol.33, issue.2, pp.258-274, 2002. ,
DOI : 10.2307/3087433
An empirical test of the asymmetric models on innovative activity: who invests more into R&D, the incumbent or the challenger?, Journal of Economic Behavior & Organization, vol.54, issue.2, pp.153-173, 2004. ,
DOI : 10.1016/j.jebo.2003.01.008
Two-Stage Patent Races and Patent Policy, The RAND Journal of Economics, vol.31, issue.3, pp.488-501, 2000. ,
DOI : 10.2307/2600997
How should forward patent protection be provided?, International Journal of Industrial Organization, vol.20, issue.6, pp.801-827, 2002. ,
DOI : 10.1016/S0167-7187(01)00080-7
The Economics of Patents: from Natural Rights to Policy Instruments, 2003. ,
Cross licensing of complementary technologies, International Journal of Industrial Organization, vol.10, issue.3, pp.329-348, 1992. ,
DOI : 10.1016/0167-7187(92)90001-F
Deterrence by Market Sharing: A Strategic Incentive for Licensing, American Economic Review, vol.74, pp.931-941, 1984. ,
Patent Policy and Costly Imitation, The RAND Journal of Economics, vol.23, issue.1, pp.52-63, 1992. ,
DOI : 10.2307/2555432
The Economics of Patents: Lessons from Recent U.S. Patent Reform, Journal of Economic Perspectives, vol.16, issue.2, pp.131-154, 2002. ,
DOI : 10.1257/0895330027292
Intellectual Property: When it is the Best Incentive Mechanism?, Innovation Policy and the Economy, 2002. ,
Licensing in the Theory of Innovation, The RAND Journal of Economics, vol.16, issue.2, pp.237-252, 1985. ,
DOI : 10.2307/2555412
Antitrust for Patent Pools: A Century of Policy Evolution, 2002. ,
Preemptive Patenting and the Persistence of Monopoly, American Economic Review, vol.72, pp.20-33, 1982. ,
Preemptive Patenting and the Persistence of Monopoly: Reply, American Economic Review, vol.74, pp.251-253, 1984. ,
Optimal Patent Length and Breadth, The RAND Journal of Economics, vol.21, issue.1, pp.106-112, 1990. ,
DOI : 10.2307/2555497
The Public-Private Structure of Intellectual Property Ownership in Agricultural Biotechnology, Nature Biotechnology, pp.21-30, 2003. ,
Agricultural Biotechnology's Complementary Intellectual Assets, 2001. ,
An Intellectual Property Clearing House for Agricultural Biotechnology, Nature Biotechnology, pp.19-31, 2001. ,
Intellectual Property Protection in the U.S. Software Industry, Patents in the Knowledge- Based Economy, 2003. ,
On the Division of Profit in Sequential Innovation, The RAND Journal of Economics, vol.26, issue.1, pp.20-33, 1995. ,
DOI : 10.2307/2556033
The Patent Paradox Revisited: An Empirical Study of Patenting in the U.S. Semiconductor Industry, 1979-1995, The RAND Journal of Economics, vol.32, issue.1, pp.101-128, 1979. ,
DOI : 10.2307/2696400
Determinants of opposition against EPO patent grants???the case of biotechnology and pharmaceuticals, International Journal of Industrial Organization, vol.22, issue.4, pp.443-480, 2004. ,
DOI : 10.1016/j.ijindorg.2004.01.001
Patent Races and the Persistence of Monopoly, The Journal of Industrial Economics, vol.33, issue.4, pp.461-481, 1985. ,
DOI : 10.2307/2098387
Perfect Equilibrium in a Model of a Race, The Review of Economic Studies, vol.52, issue.2, pp.193-209, 1985. ,
DOI : 10.2307/2297616
Can Patents Deter Innovation? The Anticommons in Biomedical Research, Science, vol.280, issue.5364, pp.698-701, 1998. ,
DOI : 10.1126/science.280.5364.698
Innovations et droits de la propriété intellectuelle : quels enjeux pour les biotechnologies ?, 2003. ,
Innovation Variety and Patent Breadth, The RAND Journal of Economics, vol.32, issue.1, pp.152-166, 2001. ,
DOI : 10.2307/2696402
Non-obviousness and the Incentive to Innovate: An Economic Analysis of Intellecual Property Reform, Federal Reserve Bank of Philadelphia Working Paper, vol.99, issue.3, 1995. ,
The US Patent System in Transition: Policy Innovation and the Innovation Process, Research Policy, vol.29, pp.531-557, 2000. ,
The Limits of Monopolization Through Acquisition, The Quarterly Journal of Economics, vol.105, issue.2, pp.165-499, 1990. ,
DOI : 10.2307/2937796
Vertical Structure and Patent Pools, Review of Industrial Organization, vol.36, issue.3, pp.231-250, 2004. ,
DOI : 10.1007/s11151-004-3535-z
The Nature and Function of the Patent System, The Journal of Law and Economics, vol.20, issue.2, pp.265-290, 1977. ,
DOI : 10.1086/466903
How Broad Should the Scope of Patent Protection Be?, The RAND Journal of Economics, vol.21, issue.1, pp.113-130, 1990. ,
DOI : 10.2307/2555498
Stronger protection or technological revolution: what is behind the recent surge in patenting?, Carnegie-Rochester Conference Series on Public Policy, vol.48, pp.247-304, 1998. ,
DOI : 10.1016/S0167-2231(98)00023-2
Auctions with Endogeneous Valuations: the Persistence of Monopoly Revisited, American Economic Review, vol.83, pp.147-160, 1993. ,
Patent Protection in the Shadow of Infringement: Simulation Estimations of Patent Value, The Review of Economic Studies, vol.65, issue.4, pp.671-710, 1998. ,
DOI : 10.1111/1467-937X.00064
The Enforcement of Intellectual Property Rights: A Survey of the Empirical Literature, Annales d'??conomie et de Statistique, issue.49/50, 1997. ,
DOI : 10.2307/20076116
Characteristics of Patent Litigation: A Window on Competition, The RAND Journal of Economics, vol.32, issue.1, pp.129-151, 2001. ,
DOI : 10.2307/2696401
Protecting Intellectual Property Rights: Are Small Firms Handicapped?, The Journal of Law and Economics, vol.47, issue.1, pp.45-74, 2004. ,
DOI : 10.1086/380476
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.619.6530
Convergence in the Law of Software Copyright, High Technology Law Journal, vol.10, pp.1-34, 1995. ,
Reconceiving Patents in the Age of Venture Capital, SSRN Electronic Journal, vol.4, pp.137-148, 2000. ,
DOI : 10.2139/ssrn.2635229
Rational Ignorance at the Patent O¢ ce, Northistern University Law Review, vol.95, pp.1497-1532, 2001. ,
Probabilistic Patents, pp.4-046, 2004. ,
DOI : 10.1257/0895330054048650
Patenting in the Shadow of Competitors, The Journal of Law and Economics, vol.38, issue.2, pp.463-496, 1995. ,
DOI : 10.1086/467339
Lead? A First Look at Finance Patents, 1971 to 2000, The Journal of Finance, vol.55, issue.1, pp.901-930, 1971. ,
DOI : 10.1111/1540-6261.00446
The Control of Technology Alliances: An Empirical Analysis of the Biotechnology Industry, The Journal of Industrial Economics, vol.46, issue.2, pp.1-32, 1998. ,
DOI : 10.1111/1467-6451.00066
The Economics of Patents and Copyright, 2004. ,
Preemption, Divestiture, and Forward Contracting in a Market Dominated by a Single Firm, American Economic Review, vol.73, pp.1092-1101, 1983. ,
Dropout Behavior in R&D Races with Learning, The RAND Journal of Economics, vol.18, issue.2, pp.287-295, 1987. ,
DOI : 10.2307/2555553
Patent litigation when innovation is cumulative, International Journal of Industrial Organization, vol.21, issue.8, pp.1135-1157, 2003. ,
DOI : 10.1016/S0167-7187(03)00057-2
Patent Signals, pp.625-679, 2002. ,
Optimal Patent Design and the Diffusion of Innovations, The RAND Journal of Economics, vol.27, issue.1, pp.60-83, 1996. ,
DOI : 10.2307/2555792
The Independent Invention Defence in Intellectual Property, Economica, vol.69, issue.276, pp.535-547, 1998. ,
DOI : 10.1111/1468-0335.00299
Procuring Knowledge Advances in the Study of Entrepreneurship, Innovation, and Economic Growth, The Netherlands, 2004. ,
The benefits and costs of strong patent protection: a contribution to the current debate, Research Policy, vol.27, issue.3, pp.273-284, 1998. ,
DOI : 10.1016/S0048-7333(98)00048-1
A dynamic Model of Cross-Licensing, 2004. ,
On the Complex Economics of Patent Scope, Columbia Law Review, vol.90, issue.4, pp.839-916, 1990. ,
DOI : 10.2307/1122920
Antitrust Review of Patent Acquisitions: Property Rights, Firm Boundaries, and Organization, Competition Policy and Intellectual Property Rights in the Knowledge-Based Economy, 1998. ,
The Settlement of Patent Litigation, The RAND Journal of Economics, vol.20, issue.1, pp.77-91, 1989. ,
DOI : 10.2307/2555652
Competition and Corporate Performance, Journal of Political Economy, vol.104, issue.4, pp.724-746, 1996. ,
DOI : 10.1086/262040
Invention, Growth, and welfare: A Theoretical Treatment of Technological Change, 1969. ,
On the Dynamic Efficiency of Bertrand and Cournot Equilibria, Journal of Economic Theory, vol.75, issue.1, pp.213-229, 1997. ,
DOI : 10.1006/jeth.1997.2270
A Patentability Requirement for Sequential Innovation, The RAND Journal of Economics, vol.29, issue.4, pp.654-679, 1998. ,
DOI : 10.2307/2556088
Patent Breadth, Patent Life, and the Pace of Technological Progress, Journal of Economics <html_ent glyph="@amp;" ascii="&"/> Management Strategy, vol.44, issue.4, pp.1-32, 1998. ,
DOI : 10.1086/261070
Patent System and R&D in Japan, Innovation in Japan, 1997. ,
A Patent System for Both Diffusion and Exclusion, Journal of Economic Perspectives, vol.5, issue.1, pp.43-60, 1991. ,
DOI : 10.1257/jep.5.1.43
Patents as Options: Some Estimates of the Value of Holding European Patent Stocks, Econometrica, vol.54, issue.4, pp.755-784, 1986. ,
DOI : 10.2307/1912835
Continuing Patent Applications and Performance of the US Patent O¢ ce, Federal Circuit Bar Journal, vol.11, pp.1-21, 2001. ,
The Cathedral and the Bazaar, 2004. ,
Uncertain Innovation and the Persistence of Monopoly, American Economic Review, vol.73, pp.741-748, 1983. ,
Innovation and Industry Evolution, The Quarterly Journal of Economics, vol.100, issue.1, pp.81-99, 1985. ,
DOI : 10.2307/1885736
The Timing of Innovation; Research, Development, and Diffusion, Handbook of Industrial Organization, 1989. ,
Choosing the Competition and Patent Licensing, The RAND Journal of Economics, vol.21, issue.1, pp.161-171, 1990. ,
DOI : 10.2307/2555501
Preemptive Patenting and the Persistence of Monopoly: Comment, American Economic Review, vol.74, pp.247-250, 1984. ,
How Valuable is Patent Protection? Estimates by Technology Field, The RAND Journal of Economics, vol.29, issue.1, pp.77-107, 1998. ,
DOI : 10.2307/2555817
The Theory of Economic Development, 1934. ,
DOI : 10.1007/0-306-48082-4_3
Standing on the Shoulders of Giants: Cumulative Research and the Patent Law, Journal of Economic Perspectives, vol.5, issue.1, pp.29-41, 1991. ,
DOI : 10.1257/jep.5.1.29
Protecting Early Innovators: Should Second-Generation Products be Patentable?, The RAND Journal of Economics, vol.27, issue.2, pp.322-331, 1996. ,
DOI : 10.2307/2555929
R&D Joint Ventures and other Cooperative Arrangements, Competition Policy and Intellectual Property Rights in the Knowledge Economy, Industry Canada Research Series, 1998. ,
On the Optimality of the Patent Renewal System, The RAND Journal of Economics, vol.30, issue.2, pp.181-196, 1999. ,
DOI : 10.2307/2556076
Innovation and Incentives, 2005. ,
Novelty and Disclosure in Patent Law, The RAND Journal of Economics, vol.21, issue.1, pp.131-146, 1990. ,
DOI : 10.2307/2555499
Navigating the Patent Thicket: Cross-Licenses, Patent-Pools, and Standard-Setting, Innovation Policy and the Economy, pp.119-150, 2001. ,
Antitrust Limits to Patent Settlements, The RAND Journal of Economics, vol.34, issue.2, pp.391-411, 2003. ,
DOI : 10.2307/1593724
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.15.8845
The Innovation Lottery, Expanding the Boundaries of Intellectual Property, 2001. ,
Combining Patent Inventions in Multi-Inventions Products: Transactional Challenges and Organizational Choices, 2001. ,
Do Stronger Patents Induce More Innovation? Evidence from the 1988 Japanese Patent Law Reforms, RAND Journal of Economics, vol.32, pp.77-100, 2001. ,
DOI : 10.3386/w7066
Collusion and collective action in the patent system: A proposal for patent bounties, University of Illinois Law Review, pp.305-353, 2001. ,
DOI : 10.1016/S1048-4736(01)13006-7
The Theory of Industrial Organization, 1988. ,
Protection de la Propriété Intellectuelle: une Introduction et quelques Pistes de Ré ?exion, 2003. ,
Patent Height and Competition in Product Improvements, The Journal of Industrial Economics, vol.44, issue.2, pp.151-167, 1995. ,
DOI : 10.2307/2950643
The Evolution of Market Structure when There is a Sequence of Innovations, The Journal of Industrial Economics, vol.35, issue.1, pp.1-12, 1986. ,
DOI : 10.2307/2098603
E¤ects of Research Tool Patents and Licensing on Biomedical Innovation, Patents in the Knowledge-Based Economy, 2003. ,
Uncertain innovation and persistence of monopoly revisited, Economics Letters, vol.49, issue.3, pp.319-322, 1995. ,
DOI : 10.1016/0165-1765(95)00688-C