Answers: A, C, D

Item A, the State Intellectual Property Office uniformly manages the protection of geographical indication products nationwide. In March 2018, the reorganized State Intellectual Property Office was responsible for the registration and administrative adjudication of trademarks, patents, and geographical indications of origin. For CD two items, the protection period of domestic geographical indication protected products does not need to be renewed and is permanently valid. The user of a geographical indication registered as a collective trademark or certification mark shall be a producer or operator from the area indicated by the geographical indication.