专利侵权诉讼中疑难问题探析四川省成都市中级人民法院经一庭专利侵权纠纷案件均涉及到技术和法律两方面的问题。目前审理这类案件存在颇多争议，本文拟就审理这类案件中遇到的几个疑难问题作一些探讨。侵权物缺少独立权利要求中的非必要技术特征侵权是否成立专利法第五十... Patent infringement litigation difficult problems Analysis Chengdu Intermediate People’s Court in Sichuan Province by a case of patent infringement disputes involving both technical and legal issues. At present, there are quite a lot of controversies about hearing such cases. This article intends to make some discussions on several difficult problems encountered in handling such cases. Infringement of the lack of independent claims in the non-essential technical features infringement whether the establishment of patent law fifty ...