After a trademark is registered, under normal circumstances, changes in the font may affect the right to register the trademark. The right to register a trademark is based on the specific form of expression of the trademark at the time of registration, including fonts, colors, patterns and other elements.

If the trademark holder wants to change the font of the trademark, he may need to consider the following points:

1. Verify the provisions on the trademark registration certificate: The trademark registration certificate usually says: Clarify the appearance characteristics of the trademark, including the style of the font. Trademark holders should verify whether there are specific provisions for fonts on the trademark registration certificate.

2. Impact of font change: Change of font may affect the recognizability and uniqueness of the trademark, so the trademark holder needs to carefully consider whether the change complies with the relevant provisions of the trademark law.

3. Requirements of trademark regulations: In some countries or regions, trademark regulations may impose certain restrictions on substantial changes to trademarks, and relevant regulations need to be followed.

4. Regulations of the Trademark Registration Office: The Trademark Registration Office may have specific regulations on trademark changes, and trademark holders need to follow the relevant requirements of the Trademark Registration Office.

When considering changing the trademark font, it is recommended that the trademark holder consult a professional trademark attorney to ensure the legality and compliance of the change.

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