1. Universal or descriptive logo: If the logo is a general descriptive word or phrase, it cannot identify the specific source or is unique, it usually does not meet the requirements of trademark registration. Trademarks should be unique enough so that consumers can associate them with specific enterprises or goods/services.
2. Name, Portrait Right or Portrait Right: Trademark law usually prohibits the use of an individual's name, portrait right or portrait right to register as a trademark unless authorized by the relevant individual.
3. Geometric shapes: Some geometric shapes, such as simple basic geometric shapes (such as circles and squares), cannot be registered independently as trademarks due to lack of uniqueness.
4. National symbols such as national flag and national emblem: Trademark law usually prohibits the registration of national symbols such as national flag and national emblem as trademarks, so as not to mislead or offend the public.
5. Logos that confuse or mislead consumers: The Trademark Law prohibits the use of logos that may confuse or mislead consumers for registration. This includes logos that are too high and similar to existing trademarks or well-known brands.
It should be noted that the provisions of the Trademark Law in different countries may be different, and the specific signs prohibiting registration may also be different. Before applying for trademark registration, it is recommended to consult a professional trademark agency or lawyer to ensure compliance with local trademark laws and regulations and obtain accurate guidance and advice.
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