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Patent portfolios of European wind industry: New insights using citation categories

Paper ID Volume ID Publish Year Pages File Format Full-Text
37821 45635 2015 7 PDF Available
Title
Patent portfolios of European wind industry: New insights using citation categories
Abstract

•Cooperative Patent Classification is better than International Patent Classification in retrieving wind industry patents.•We introduce two measures that can indicate hindrance and encroachment of a firm's patent portfolio relative to competitors.•Results indicate that there is substantial overlap among the patent portfolios of top wind power firms.

This study explores the use of citation categories assigned by patent examiners to study overlap of patent portfolios among top wind power firms. Cooperative Patent Classification (CPC) is used to obtain a sample of wind industry patents. CPC is shown to be better than the International Patent Classification for identifying patents relevant to the wind power industry. Results show high inter-firm citation among the top wind industry players that can suggest concentration of innovation. The results can be useful for patent analysts, technology managers and policy makers.

Keywords
Intellectual property; Patent portfolios; Citation categories; Cooperative patent classification; Wind power
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Publisher
Database: Elsevier - ScienceDirect
Journal: World Patent Information - Volume 41, June 2015, Pages 4–10
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us