中美等同原则之比较

等同原则是专利侵权判定中的一个重要原则。在专利权利要求没有完全体现于被控侵权物时,如何进一步保护专利权人的利益是中美两国共同面临的问题。中美两国在等同标准、等同时间、等同限制及审判机制等具体做法上有同有异。在运用等同理论达到保护专利权人利益之目的上,其功效基本相同。但在等同原则的适用上,美国较成熟且统一,中国仍在探索且不统一,这是较明显的差别。

On the Doctrine of Equivalents between China and U.S.A

The doctrine of equivalents is an important principle in patent infringement verdict.When the patent claims are not completely embodied in the accused infringement items,how to protect the patent-holder's interests is a common issue in court in China and U.S.A.The two all apply the doctrine of equivalents to protect the patent-holder,although there are some differences in specific procedures,such as,equivalent standers,equivalent time,equivalent restricts,justice system,etc.And make basic same effect.To apply the doctrine of equivalents,American court develops a series of mature and united practices,but Chinese qractices are green and incoherent.These conclusions are made through function-compare methodology.