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The puzzle of patent value indicators
Zeebroeck, Nicolas van - In: Economics of Innovation and New Technology 20 (2011) 1, pp. 33-62
, families, renewals, and oppositions) that (1) have been found positively correlated with the value of patents in the literature … market for the patented invention and the approach uses five different patent features (forward citations, grant decisions …
Persistent link: https://www.econbiz.de/10009205342
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From patent renewals to applications survival: do portfolio management strategies play a role in patent length?
van Zeebroeck, Nicolas - Centre Emile Bernheim, Solvay Brussels School of … - 2009
proxies (families, claims, IPC classes and forward citations) constitute strong predictors of the entire length of patent … building large portfolios or families to protect their inventions make them less selective in their renewal decisions. Finally …
Persistent link: https://www.econbiz.de/10005024327
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Long Live Patents: the Increasing Life Expectancy of Patent Applications and its Determinants
van Zeebroeck, Nicolas - In: Review of Economics and Institutions 2 (2011) 3
Relying on a comprehensive dataset including detailed information on all patent applications filed to the EPO from 1980 to 2000 and on the renewal of those of them that were granted, this paper presents the first survival time analysis of the determinants of patent length. The results are...
Persistent link: https://www.econbiz.de/10009320623
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Long live patents: the increasing life expectancy of patent applications and its determinants
van Zeebroeck, Nicolas - Solvay Brussels School of Economics and Management, … - 2011
Relying on a comprehensive dataset including detailed information on all patent applications filed to the EPO from 1980 to 2000 and on the renewal of those of them that were granted, this paper presents the first survival time analysis of the determinants of patent length. The results are...
Persistent link: https://www.econbiz.de/10009277306
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Filing strategies and the increasing duration of patent applications
van Zeebroeck, Nicolas - Centre Emile Bernheim, Solvay Brussels School of … - 2009
It has long been implicitly assumed that the roaring backlogs experienced by most patent offices around the world – and harshly criticized by many patentees – are a mere mechanical consequence of surging numbers of patent filings. However, different voices suggest that the patent system may...
Persistent link: https://www.econbiz.de/10005558885
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Patents only live twice: a patent survival analysis in Europe
van Zeebroeck, Nicolas - Centre Emile Bernheim, Solvay Brussels School of … - 2007
The length of patent rights is an issue of considerable importance in the design of patent systems, and its optimality has been intensively discussed in the literature. This dimension – taking the form of the number of years during which a given patent has been maintained – has been...
Persistent link: https://www.econbiz.de/10005558901
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Filing strategies and patent value
van Pottelsberghe de la Potterie, Bruno; van Zeebroeck, … - Centre Emile Bernheim, Solvay Brussels School of … - 2008
This paper aims at contributing to the literature on the determinants of patent value. First, it puts forward a new potential class of value determinants in the form of filing strategies (encompassing filing routes and drafting styles). Second, it provides empirical evidence suggesting that...
Persistent link: https://www.econbiz.de/10005357846
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Filing Strategies and Patent Value
van Pottelsberghe de la Potterie, Bruno; van Zeebroeck, … - C.E.P.R. Discussion Papers - 2008
This paper aims at contributing to the literature on the determinants of patent value. First, it puts forward a new potential class of value determinants in the form of filing strategies (encompassing filing routes and drafting styles). Second, it provides empirical evidence suggesting that...
Persistent link: https://www.econbiz.de/10005791370
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A brief history of space and time: the scope-year index as a patent value indicator based on families and renewals
van Pottelsberghe de la Potterie, Bruno; van Zeebroeck, … - Centre Emile Bernheim, Solvay Brussels School of … - 2007
The renewal of patents and their geographical scope for protection constitute two essential dimensions in a patent’s life, and probably the most frequently used patent value indicators. The intertwining of these dimensions (the geographical scope of protection may vary over time) makes their...
Persistent link: https://www.econbiz.de/10005357831
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A Brief History of Space and Time: the Scope-Year Index as a Patent Value Indicator Based on Families and Renewals
van Pottelsberghe de la Potterie, Bruno; van Zeebroeck, … - C.E.P.R. Discussion Papers - 2007
The renewal of patents and their geographical scope for protection constitute two essential dimensions in a patent’s life, and probably the most frequently used patent value indicators. The intertwining of these dimensions (the geographical scope of protection may vary over time) makes their...
Persistent link: https://www.econbiz.de/10005123782