Title: Legal-status information analysis of nanotechnology patent
Abstract: Patent legal-status information is meaningful for understanding patent quality and technology maturity,but people do not pay enough attention.After developing framework of legal-status analysis,this paper selects nanotechnology Chinese patent as the research object,analyzes legal-status of top 10 countries or blocs from three aspects of patent authorization,patent invalidation and patent stand-year,and finally finds out that the legal-status is important complementarity for patent apply information and it makes more sense on scaling tech-strength,RD difference and patent quality.
Publication Year: 2009
Publication Date: 2009-01-01
Language: en
Type: article
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