从摩拜单车专利侵权案看等同技术特征之认定

Identifying the Equivalent Technical Characteristics from the Patent Infringement of Mobike

技术特征等同的认定是等同侵权判定的核心。技术特征的提炼是认定等同的前提和基础,对于一般技术性的提炼可以用语言提炼法、结构提炼法、功能提炼法等方法,对于功能性技术特征而言,由于其本身的特殊性,应当根据说明书和附图描述的该功能或者效果的具体实施方式及其等同的实施方式来确定技术特征,从而确定权利的保护范围。在认定技术等同时需要坚持全面技术特征原则,并坚持"本领域的普通技术人员"标准和"侵权行为发生日"的时间标准。被控侵权人在诉讼过程中可以专利无效抗辩、现有技术和禁止反悔原则等作为等同技术特征认定的抗辩。

The identification of the equivalent technical characteristics is the core of the judgment of equivalent infringement. Summary of the technical characteristics is the first step of the Doctrine of equivalents in the patent infringement. In practice, the methods of generalizing the technical features include the methods of linguistic generalization, structural generalization and functional generalization. The functional technical characteristics should be summarized through specific implementation of the function or effect described in the specification and drawings. We should adhere to the all elements rules, basing on the common technical personnel in this field and the date of infringement behaved. In the course of the proceedings, the accused infringer could defense by invalidation of patent right, the existent technology and the doctrine of estoppel.