The condition for applying for a famous trademark is 1. The trademark is a valid registered trademark, and the ownership of the trademark is undisputed. 2. The trademark owner is a natural person, legal person or other economic organization in Beijing; 3. The trademark has been used continuously for three years since the date of approval and registration, and the quality of the goods using the trademark is stable and meets the relevant national standards; 4. The main economic indicators such as sales, tax payment and profit of the goods using the trademark in recent three consecutive years are leading in the same industry and have a high market share; 5. The trademark is recognized by consumers and enjoys a high reputation in the relevant market; 6. Trademark owners have strong trademark protection awareness and strict trademark use, management and protection measures, and there is no trademark infringement. With these, you can successfully log in for authentication.