1. Li's statement is illegal. According to Article 2 of the Copyright Law: "Works of China citizens, legal persons or other organizations, whether published or not, enjoy copyright in accordance with this Law." Therefore, Li' s defense reason is not established. 2. Li infringed Zhang's copyright. It is applicable to the infringement of "plagiarizing other people's works" in Item 5, Paragraph 1 of Article 46 of the Copyright Law (Li copied his works intact for commercial activities without Zhang's permission). 3. Li's exclusive right to use a trademark is valid from February 1, 22 to February 9, 212 (Li won the case); The trademark is revoked, the application record is not kept, and the exclusive right to use the trademark is not enjoyed (Li lost the case and the trademark was revoked by the Trademark Review and Adjudication Board).