Equivalent characteristics are one of the basic methods for determining patent infringement. It means that the infringer replaces some of the necessary technical features of the independent claims of the patent with substantially the same methods or technical means that are well known to those of ordinary skill in the technical field, thereby producing substantially the same functions and effects as the patented technology. In this case, it should be considered that it has not departed from the scope of patent protection and the infringement should still be determined. This is an important principle for judging patent infringement.
According to the relevant judicial interpretations of our country, equivalent features refer to using basically the same means to achieve basically the same functions and achieving basically the same effects as the recorded technical features, and those of ordinary skill in the field can Characteristics that can be associated with the alleged infringement without creative effort.