Trademarks can be changed after registration, but this usually requires following certain procedures and regulations. The following is relevant information:

1. Scope of changes after trademark registration: Some changes can be made after trademark registration, such as modifications to the text, graphics, colors, etc. of the trademark. The scope of the change usually cannot change the core features and distinctiveness of the trademark to avoid confusing or misleading consumers.

2. Procedure for trademark change: Trademark change usually requires submitting an application to the trademark registration agency or the Trademark Office, and providing relevant documents and certificates. Specific procedures and requirements vary from country to country or region, and corresponding trademark laws and regulations need to be followed.

3. Restrictions on trademark changes: Trademark changes may be subject to some restrictions. For example, changes may not be allowed for a certain period of time after a trademark is registered, or changes may require proof of specific reasons or legality.

Trademark changes are a complex process that require careful assessment of trademark impact and compliance. When considering trademark changes, it is recommended to consult a professional trademark agency or lawyer to obtain accurate guidance and advice and to follow applicable trademark laws and regulations.

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