无效专利 invalid patent
The court is composed by the competent patent technique experts and competent legal experts and try the cases of patent invalid of whole nation unitedly.
统一负责审理全国的专利无效诉讼案件。
参考来源 - 我国专利权无效宣告制度研究（研究生论文）·2,447,543篇论文数据，部分数据来源于NoteExpress
最后说明当前专利侵权诉讼和专利无效制度存在的主要问题。
Third, the problems arising from the collision of current patent infringement litigation and the patent invalidation is described.
专利侵权诉讼和专利无效是专利制度的重要内容，两者关系密切。
The patent infringement litigation and the patent invalidation are both important contents of the patent system. There is close relationship between each other.
在认定风险对冲方法专利无效时，法院依据的是最高法院现有的案例法。
In finding the method for risk-hedging invalid, the court relied on existing Supreme court case law. Continued Kennedy.
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