To fill in the product name in the trademark registration application, you can refer to the following steps:

1. Determine the category of the product: First, determine which international classification system (Nice classification) your product belongs to category in . Nice classification divides goods and services into different categories, with a total of 45 categories. You need to determine which category your product belongs to so you can fill in the correct product title.

2. Describe specific products: In a trademark registration application, a detailed description of the product needs to be provided. Use clear and accurate language to describe your product features, uses, functions, etc. You can use common industry terms or commonly used product description words to ensure that applicants and trademark registration authorities have a clear understanding of your products.

3. Avoid overly broad or vague descriptions: Try to avoid using overly broad or vague product descriptions, as this may result in the trademark registration application being rejected. Make sure your product descriptions are specific and accurately describe your products without causing confusion or ambiguity.

4. Use the correct language and format: When filling in the product name, use the correct language and format. Follow the trademark registration authority's requirements and guidelines and be sure to use correct vocabulary and grammar to accurately convey your product information.

5. Consult a professional trademark agency or legal expert: If you have questions about filling in the product name or need further help, it is recommended to consult a professional trademark agency or legal expert. They can provide accurate advice and guidance based on your specific circumstances.

Please note that filling in the product name in the trademark registration application is crucial to the scope of trademark protection. Accurately describe your products and ensure the scope of trademark protection is relevant to your business.

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