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1·The doctrine of equivalents is an important principle in patent infringement verdict.

等同原则是专利侵权判定中的一个重要原则。

2·But the applying standard of the Doctrine of Equivalents was still different in many items.

但是，从我国法院判例来看，对于等同原则的适用标准仍然存在着不统一的现象。

3·So, the doctrine of equivalents has become an international principle on judging the infringement of patent.

因此，等同原则已经成为了国际上公认的一种判定专利侵权的重要原则。

4·The third part describes the applications and the limitations of the Doctrine of Equivalents in some conditions.

第三部分具体根据等同原则的适用条件说明了等同原则的适用限制。

5·This article is entitled Doctrine of Equivalents Research In Patent Infringement, and the article is divided into four parts.

本文论文题目为《专利侵权判断中的等同原则研究》，主要分了四部分。

6·This part mainly introduces the theoretical foundation of the doctrine of equivalents and estoppels and the effect to patent infringement judging.

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。

7·Under the influence of America, many developed countries, such as England, Germany and Japan have adopted the doctrine of equivalents in the patent infringement action.

在美国的影响下，英国、德国、日本等发达国家都在专利侵权诉讼中采用了等同原则。