法院在审理专利侵权纠纷案件中，最主要、最复杂的工作是判定被控侵权产品或方法是否侵犯了原告的专利权。这项工作需要依据原告的专利权利要求和说明书及附图的解释，公正地确定专利权保护范围，分析被控侵权产品或方法的主要技术特征，比较两者的技术特征，运用等同原则... In the trial of patent infringement cases, the court’s most important and most complex task is to determine whether the accused infringing products or methods infringe on the plaintiff’s patent rights. This work needs to be based on the patent claims of the plaintiffs and explanations of the manuals and drawings, to fairly determine the scope of patent protection, to analyze the main technical features of the accused infringing products or methods, to compare the technical characteristics of the two and to apply the principle of equality. .