【摘要】 介绍了联合专利分类法(CPC)专利分类体系,分析了CPC分类法中的发明信息与附加信息在专利检索应用中的意义与特点,重点探讨了其新增加的Y部信息在专利检索中的应用,并进行了实证研究,以期提高CPC分类法在专利检索中应用的准确性与全面性。更多还原

【Abstract】 The paper introduces Cooperative Patent Classification(CPC), analyzes significance and features of application of invention information and additional information of CPC in patent retrieval, emphatically discusses the application of CPC’s new section Y in patent retrieval and conducts an empirical study, so as to improve the accuracy and comprehensiveness of CPC’s application in patent retrieval.更多还原