The Influence of Strategic Patenting on Companies' Patent Portfolios
Katrin Cremers () and
Elisabeth Mueller ()
No 07-013, ZEW Discussion Papers from ZEW - Leibniz Centre for European Economic Research
This paper analyses whether strategic motives for patenting influence the characteristics of companies' patent portfolios. We use the number of citations and oppositions to represent these characteristics. The investigation is based on survey and patent data from German companies. We find clear evidence that the companies' patenting strategies explain the characteristics of their patent portfolios. First, companies using patents to protect their technological knowledge base receive a higher number of citations for their patents. Second, the motive of offensive – but not of defensive – blocking is related to a higher incidence of oppositions, whereas companies using patents as bartering chips in collaborations receive fewer oppositions to their patents.
Keywords: strategic patenting; patent portfolio characteristics (search for similar items in EconPapers)
JEL-codes: O32 O34 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cse, nep-ino, nep-ipr, nep-pr~ and nep-knm
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3) Track citations by RSS feed
Downloads: (external link)
Journal Article: The influence of strategic patenting on companies' patent portfolios (2009)
Working Paper: The influence of strategic patenting on companies' patent portfolios (2008)
This item may be available elsewhere in EconPapers: Search for items with the same title.
Export reference: BibTeX
RIS (EndNote, ProCite, RefMan)
Persistent link: https://EconPapers.repec.org/RePEc:zbw:zewdip:5501
Access Statistics for this paper
More papers in ZEW Discussion Papers from ZEW - Leibniz Centre for European Economic Research Contact information at EDIRC.
Bibliographic data for series maintained by ZBW - Leibniz Information Centre for Economics ().