Legal analysis: you can choose ten. Trademark classification ***45 categories, each category is divided into several groups, which is what you said, and each category has several specific products. A trademark registration can choose up to 10 specific commodities for free, regardless of categories. As long as there are more than 10 commodities in one category, each commodity needs official charges from 30 yuan on the basis of the original official charges.

Legal basis: Article 43 of the Trademark Law of People's Republic of China (PRC). A trademark registrant may authorize others to use its registered trademark by signing a trademark license contract. The licensor shall supervise the quality of the goods in which the licensee uses its registered trademark. The licensee shall guarantee the quality of the goods using the registered trademark.