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针对我国“虚高”的专利数据和目前专利现状分析的局限性,论述专利法律状态在专利现状分析中的重要性,设计并实现基于国家知识产权局网站的专利信息采集系统。系统通过网页信息抽取技术获取有用信息,建立了包括法律状态在内的本地专利信息数据库,并以高校有效发明专利为例进行实证研究。结果表明:专利法律状态在反映专利质量方面更有说服力,是对有效专利数量指标的良好补充,能使专利现状分析更为精确、客观和全面。
In view of the limitation of patent data in our country and the status quo analysis of the current patent, this paper discusses the importance of patent law status in the analysis of patent status and designs and realizes the patent information acquisition system based on the website of State Intellectual Property Office. The system obtains the useful information through the webpage information extraction technology, establishes the local patent information database including the legal status, and carries on the empirical research with the example of the effective invention patents in universities. The results show that the state of patent law is more convincing in reflecting the quality of patent, which is a good complement to the effective patent quantity index, which can make the analysis of patent status more accurate, objective and comprehensive.