First of all, the protection of registration is limited to registered trademarks. If the trademark and registered trademark changed by itself are obviously different from the registered trademark, and the registered trademark is marked at the same time, it constitutes a counterfeit registered trademark; If you change the trademark, it is similar to or even the same as the registered trademark of others, and it also constitutes infringement of the trademark rights of others.
Two, the protection of the exclusive right to use a registered trademark is limited to the approved use of goods. If you use a registered trademark beyond the approved scope of goods, it will constitute a counterfeit registered trademark, and it may also constitute an act of infringing on the trademark rights of others, and you will be subject to administrative punishment and even criminal responsibility according to law.
legal ground
Article 56 of the Trademark Law stipulates that the exclusive right to use a registered trademark is limited to the registered trademark and the goods approved for use.