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以全国各级法院受理的一审专利民事案件、专利行政案件数量与当期实用、外观专利授权量及滞后一期的发明授权量总和之比测度我国专利司法保护强度变化,与现有研究结论不同的是,入世后,我国专利司法保护强度逐年下降,2010年开始进入稳步增长阶段。中美出口价值指数的实证结果肯定了这一测算方法的合理性,专利保护强度与经济发展水平呈倒U型关系,这与美国经济学家Maskus(2000)研究结论是一致的。从产业层面数据看,专利保护强度与产业利润率之间同样存在倒U型关系,而且在2009年我国人均gdp到达临界点之前,相对非专利密集型产业而言,专利保护强度变化对专利密集型产业利润率提升更为显著,这也说明了加强专利密集型产业知识产权保护的重要性。
Taking the ratio of the number of first-instance patent civil cases and the number of patent administrative cases accepted by courts at all levels across the country to the sum of the current practical and appearance-granted patents and the lagged one-year invention grant, the changes in the judicial protection intensity of patents in our country are different from the existing research findings Yes, after China’s accession to the WTO, the intensity of China’s judicial protection of patents has been declining year by year, and it began to enter a steady growth stage in 2010. The empirical results of Sino-U.S. Export value index confirm the rationality of this measure. The intensity of patent protection and economic development level are inverted U-shaped, which is consistent with the conclusion of American economist Maskus (2000). From the industrial level data, there is also an inverted U-shaped relationship between patent protection intensity and industry profit rate. Before the per capita gdp reached the critical point in 2009, the intensity of patent protection relative to patent-intensive industries The improvement of the profit rate of the industry is even more remarkable, which shows the importance of strengthening the intellectual property protection of the patent-intensive industries.