专利权人在申请专利时,为了获得专利权已经自愿缩小了权利保护范围,在其获得专利权之后就不能反悔,将已经放弃的内容又重新纳入保护范围之中,“禁止反悔原则”对于专利权人在专利无效宣告程序中放弃或删除权利要求的情况也适用,最高人民法院《关于审理侵犯专利权纠纷案件适用法律若干问题的解释》第6条规定,专利申请人、专利权人在专利授权或者无效宣告程序中,通过对权利要求、说明书有修改或者意见陈述而放弃的技术方案,权利人在侵犯专利权纠纷案件中又将其纳入专利权保护范围的,人民法院不予支持。
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