在专利授权、确权行政纠纷案件的审理过程中,公知常识的认定一直是一个争议极大而又难以解决的问题。国家知识产权局专利复审委员会(简称专利复审委员会)在审理复审或无效案件涉及创造性判断时,经常将区别技术特徵认定为公知常识,认为现有技术存在技术启示,据此宣告专利无效。然而,多数情况下专利复审委员会并未在决定中公开“公知常识”的证据,在之后的行政诉讼中也没有就此举证,让人感觉所谓“公知 In the process of trial of patent authorization and confirmation of administrative disputes, the identification of common knowledge has always been a controversial and difficult issue to be solved. The Patent Reexamination Board of the State Intellectual Property Office (hereinafter referred to as the Patent Reexamination Board) often considers distinguishing technical characteristics as common sense when handling reexaminations or invalid cases involving creative judgments, and holds that the prior art has technical enlightenment and declares the patent invalid. However, in most cases, the Patent Reexamination Board did not disclose the ”common sense“ evidence in the decision and did not testify in subsequent administrative proceedings, making people feel so-called ”well known