期刊文献+

美日欧韩四局发明专利申请受理与授权发展态势——初步专利统计年报披露2009年美日欧韩部分统计数据 被引量:4

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摘要 日前,四边统计工作组(其中四边是指:美国专利商标局、欧洲专利局、日本特许厅和韩国知识产权局)经统计数据交换渠道.向中国国家知识产权局发送了2009年初步专利统计交换年度报告(APPSE2009)。报告在初步四边统计报告的基础上,首次包含了有效专利的数据。报告披露的美日欧韩四局统计数据有以下几点内容值得关注。
作者 规划
出处 《中国发明与专利》 2010年第7期102-104,共3页 China Invention & Patent
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同被引文献28

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  • 10CZARNITZKI D, HALL B H, HOTTENROTT H Patents as Quality Signals? The Implications for Fi nancing Constraints on R&D - R]. Cambridge NBER Program, 2014.

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