The Patent Troll Business: An Efficient model to enforce IPR?
Patent trolls have many faces, since the media uses this expression in various ways. The patent troll phenomenon thus seems to be an ambiguous term that is discussed in several directions. This paper reveals that a patent troll as such has no distinct shape or appearance. Our analysis redeems a troll classification solely from firms’ market position, such as being non-practicing, and shows that a patent troll business can only be defined by the respective activities to enforce IPR. Using 10 cases, of which five are treated in detail, the analysis reveals a distinct typology of the troll business. This paper is furthermore able to identify troll behavior to be: a) an efficient mechanism to enforce IP rights and b) a strategy that yields excessive license fees and causes inefficient negotiation costs.
|Date of creation:||01 Nov 2010|
|Date of revision:||01 Dec 2010|
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- Carl Shapiro, 2004.
"Navigating the Patent Thicket: Cross Licenses, Patent Pools and Standard Setting,"
Levine's Working Paper Archive
122247000000000539, David K. Levine.
- Carl Shapiro, 2001. "Navigating the Patent Thicket: Cross Licenses, Patent Pools, and Standard Setting," NBER Chapters, in: Innovation Policy and the Economy, Volume 1, pages 119-150 National Bureau of Economic Research, Inc.
- Shapiro, Carl, 2000. "Navigating the Patent Thicket: Cross Licenses, Patent Pools, and Standard-Setting," Competition Policy Center, Working Paper Series qt4hs5s9wk, Competition Policy Center, Institute for Business and Economic Research, UC Berkeley.
- Carl Shapiro, 2003. "Navigating the Patent Thicket: Cross Licenses, Patent Pools, and Standard-Setting," Law and Economics 0303005, EconWPA.
- Justus Baron & Tim Pohlmann, 2010. "Essential Patents and Coordination Mechanisms," Post-Print hal-00508792, HAL.
- Pohlmann, Tim, 2010. "Attributes and Dynamic Development Phases of Informal ICT Consortia," MPRA Paper 27341, University Library of Munich, Germany, revised 01 Jun 2010.
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