According to relevant information, query display: calculation. Nine signs with the same name are regarded as infringement. It is an infringement to use another person's trademark name as a storefront signboard name. According to Article 2 of the Notice on Prohibiting the Unauthorized Use of Registered Trademarks of Others as the Names and Business Signs of Monopoly Enterprises, without the permission of the trademark registrant, others may not use their registered trademarks as the names or business signs of companies, franchise stores and specialty stores.