Trademarks under application can be used. Things to note when using a trademark:

1. If the trademark is voluntarily registered, the trademark can be used during the application process, but it cannot infringe on the prior rights of others;

2. If the trademark is subject to compulsory registration, the trademark cannot be used during the application process.

Trademark refers to a sign with distinctive features used by producers and operators on the goods or services they produce, manufacture, process, select or distribute in order to distinguish the source of goods or services. It generally consists of words, graphics or a combination thereof.

"Trademark Law of the People's Republic of China"

Article 3

Trademarks approved and registered by the Trademark Office are registered trademarks, including commodity trademarks, Service marks, collective marks, and certification marks; trademark registrants enjoy exclusive rights to trademarks and are protected by law.

The term "collective trademark" as mentioned in this Law refers to a mark registered in the name of a group, association or other organization for use by members of the organization in commercial activities to indicate the user's membership in the organization.

The term "certification trademark" as used in this Law means that it is controlled by an organization with the ability to supervise certain goods or services and is used by units or individuals other than the organization to certify the goods or services. The origin, raw materials, manufacturing methods, quality or other signs of specific quality of the goods or services.

Special matters concerning the registration and management of collective trademarks and certification marks shall be stipulated by the industrial and commercial administration department of the State Council.