【摘要】 对实际发生的案例进行分析,对于发明创造的试制产品在试制期间因为参与试制的各方具有保密义务不视为使用公开,试制成功后,一旦其作为正常商品销售并使用后,公众处于想得知就可以得知的状态,因此视为使用公开。无效宣告请求人在无效宣告程序中应按法律规定及时提交证据,否则将承担不利责任。更多还原

【Abstract】 According to the analysis of the actual case,Because the parties involved in the trial with the obligation of confidentiality,so,it isn′t regarded as disclosure by use in invention of trial products in the production period.after invention of trial products as a normal commodity sales and after use,the technical content of invention of trial products is placed in such a state that the public can know it if they wish.so,it is regarded as disclosure by use when The trial is successful.The petitioner in the invalidation procedure shall promptly submit evidence according to law,otherwise it will bear the responsibility disadvantage.更多还原