Doctor Da glasses will be suspected of infringement. There are two factors to judge whether it constitutes trademark infringement. On the one hand, whether the accused infringing product and the goods approved for use by the registered trademark belong to the same or similar goods. On the other hand, whether the accused infringement mark is the same as or similar to the registered trademark. The accused infringing goods are the same or similar to the four trademarks registered by Shuangxi Company, and the accused infringing marks are basically the same as the four right trademarks involved, which may easily make the relevant public misunderstand the source of the accused infringing goods or think that they have a specific connection with the goods registered by Shuangxi Company, which constitutes trademark infringement.