1Harabi N. Appropriability of Technical Innovations: an Empiri- cal Analysis[ J]. Research Policy, 1995,24:981-992.
2Macdonald S, Turpin T, Ancog M. Maximizing the Contribu- tion of IP Rights to SME Growth and Competitiveness [ R ]. REPSF Project No. 03/005,2005.
3Sathirakul K. A Study on the Patent Exploitation and Manage- ment Best Practice Model for Japanese Small and Medium Enter- prises[ R]. Japan: Japan Patent Office Long-term Research Fel- lowship Program,2006.
4Survey on Doing Business, Innovativeness, IP Knowledge and Application of Hungarian SMEs [ R ]. Hungarian Patent Office, 2005.
5Moulin A, Lie H T. Nordic Innovation Center, Intellectual Property Rights and Nordic SMEs: A Study of IPR practice in the 1T and Biotech sectors[ R]. ISBN: 82-92684-03-4, 2005.
6Yin R K. Case Study Research, Design and Methods 2nd ed [ M ]. Sage Publications, Beverly Hills, CA, 1994.
7Eisenhardt K M. Building Theories from case Study Research [ J]. Academy of Management Review, 1989,14 (4) :532-550.
8Rivette K G, Kline D. Discovering New Value in Intellectual Property[ J]. Harvard Business Review,2000,78:54-66.
9Peeters C, Potterie B. Innovation Strategy and the Patenting Be- havior of Firms [ J 1. Journal of Evolutionary Economics, 2006, 16:109-135.
10Blind K, Cremers K, Mueller E. The Influence of Strategic Pa- tenting on Companies" Patent Portfolios [ J ]. Research Policy, 2009,38:428-436.