Legal analysis: A sole proprietorship enterprise can apply for a trademark, and the application for a trademark is not limited by the form of the applicant.

legal basis: article 4 of the trademark law of the people's Republic of China. if a natural person, legal person or other organization needs to obtain the exclusive right to use a trademark for its goods or services in production and business activities, it shall apply to the trademark office for trademark registration. The provisions of this Law on commodity trademarks shall apply to service trademarks.