So studying on indirect infringement in patent is sorely needed both in theory and in practice.
因此，对专利间接侵权问题进行系统研究具有重要的意义。
The second part reviews the system of patent indirect infringement in America, Japan and EU.
第二部分着重比较分析了美国、日本和欧盟的专利间接侵权制度。
The second part reviews the system of patent indirect infringement in America, Japan and EU.
第二部分着重比较分析了美国、日本和欧盟的专利间接侵权制度。
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