No infringement. Among the provisions of trademark registration, good-faith use of the trademark, special place names or quality uses of snacks, and geographical origins generally do not constitute trademark infringement. Nanjing salted duck is a local specialty snack in Nanjing, and the salty duck flavor trademark is based on It is developed based on the original quality of the snacks, so there is no infringement. Trademark infringement is a serious illegal act. Before registering a trademark, you can enter the national trademark network to search and select appropriate trademark images and texts to ensure normal use at work and avoid unnecessary trouble.