本部分主要介绍了等同原则和禁止反悔原则的理论基础和对专利侵权判定的作用。
This part mainly introduces the theoretical foundation of the doctrine of equivalents and estoppels and the effect to patent infringement judging.
本部分重点阐释了在专利侵权诉讼中与公知技术抗辩原则相近的两个法律原则——等同原则和禁止反悔原则。
This part emphasize on expatiating two close legal principle with the prior art principle in the patent tort suit-equal principle and forbidden regretted principle.
首先对等同原则和禁止反悔原则的概念、特征作了叙述，并针对公知技术抗辩原则与上述两个原则作了概念上的辨析。
Firstly depict the concept and characteristic of the two principles, then differentiate and analyze the concepts between the prior art principle and the two principles above.
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