It should be determined by how the trademark registration is applied for. If the application is split, the trademarks can be freely combined into many trademarks for use. If the trademark is applied for registration, only one combination is applied. Trademarks cannot be taken apart when used. Because there is no registered trademark, if you modify it and use it at will, it is an improper use of the registered trademark. The Trademark Office has the right to correct it. In serious cases, it can also revoke the registered trademark, and the original trademark is lost. There is a registered trademark. Article 3 of the Trademark Law of the People's Republic of China: Trademarks approved and registered by the Trademark Office are registered trademarks, including commodity trademarks, service marks, collective trademarks, and certification marks; the trademark registrant enjoys the exclusive right to use the trademark and is protected by law. The term "collective trademark" as mentioned in this Law refers to a mark registered in the name of a group, association or other organization for use by members of the organization in commercial activities to indicate the user's membership in the organization. The term "certification trademark" as used in this Law refers to a trademark controlled by an organization with the ability to supervise a commodity or service and used by units or individuals other than the organization to certify the origin of the commodity or service. , raw materials, manufacturing methods, quality or other signs of specific quality. Special matters concerning the registration and management of collective trademarks and certification marks shall be stipulated by the industrial and commercial administration department of the State Council.