Eyewear trademark registration usually falls under the Class 9 trademark category.

Class 9 is a trademark registration category related to science, electronic equipment, computer software and hardware. Although glasses themselves do not belong to electronic equipment or computer software and hardware, in the trademark classification system, glasses are usually classified into the "optical instruments, cameras, telescopes" subcategory under Class 9.

The main reason why glasses trademark registration belongs to Class 9 is that glasses are regarded as an optical instrument and are related to optical technology and optical equipment. Class 9 also includes other optical-related products, such as spectacle lenses, sunglasses, spectacle frames, etc.

It should be noted that the specific requirements and classification of trademark registrations may vary depending on the laws and regulations of the country or region. When registering a trademark, it is best to consult a professional trademark agency or lawyer to ensure you choose the correct trademark category and details.

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