在专利侵权诉讼中,当用说明书解释权利要求时,说明书中描述的发明目的对权利要求的解释有重要作用。如果说明书描述的发明目的没有被其他证据推翻,权利要求的解释应当符合说明书对发明目的的描述。如果说明书描述的发明目的被其他证据推翻,则需根据相应证据重新认定最接近的现有技术,进而重新确定发明的目的,对权利要求的解释应当符合该重新确定的发明目的。《专利法实施细则》规定,发明或者实用新型专利申请说明 In the patent infringement lawsuit, the purpose of the invention described in the specification plays an important role in the interpretation of the claims when the claims are interpreted in the specification. If the purpose of the invention described in the specification has not been reversed by other evidence, the interpretation of the claims should conform to the description of the invention in the specification. If the purpose of the invention described in the specification is overturned by other evidence, the closest prior art will need to be re-determined on the basis of the corresponding evidence to re-determine the purpose of the invention. The interpretation of the claim should be consistent with the re-determined invention. “Patent Law Implementing Rules” provides that invention or utility model patent application description