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中国专利法侵权赔偿顺位规则在法学界存在较大的争议。本文立足于经济原理,研究分析两种不同的责任规则对创新活动及国家福利的影响。研究结果表明:“不当得利”规则下的国家总福利总是小于或者等于“损失利润”规则下的水平,即“损失利润”规则的应用符合国家福利最大化利益原则。此外,除非国家知识产权保护水平很强,否则“损失利润”规则进行侵权赔偿也是符合专利权人利益的最优选项。这些结论说明中国专利法对侵权赔偿顺位规则的相关条款具有经济上的合理性。
There is a big controversy in the jurisprudence field of the Chinese patent law tort priority rules. Based on the economic principle, this article studies and analyzes the impact of two different liability rules on innovation activities and national welfare. The results show that the total national welfare under the “unjust enrichment” rule is always less than or equal to the level under the “loss of profit” rule, that is, the application of the “loss of profit” rule is in accordance with the principle of maximizing national welfare . In addition, unless the national level of intellectual property protection is very strong, otherwise, “loss of profits” rules of compensation for infringement is in line with the interests of the patentee the best option. These conclusions indicate that the Chinese patent law is economically reasonable to the relevant provisions of the rules on the sequence of compensation for infringement.