The knowledge points in Chapter 4 of the course "Intellectual Property Law (Second Edition)" include module guidance, the concept and characteristics of trademarks, the functions of trademarks, an overview of the trademark legal system, and the origin of the trademark system And historical development, trademarks and other commercial marks, how to obtain trademark rights, conditions for trademark registration, content and exercise of trademark rights, termination of registered trademarks, overview of the well-known trademark protection system, identification of well-known trademarks, special protection of well-known trademarks, The scope of protection of the exclusive right of a registered trademark and the manifestations of trademark infringement.