1. This trademark belongs to the trademark applicant. If it is applied in the name of an individual, it belongs to the individual. If it is applied in the name of a company, it belongs to the company. The company no longer owns the trademark. Also lost.
2. The contract signed between A and B is invalid, because if the trademark is applied in the name of A, it is necessary to apply for a trademark use license from the National Trademark Office; if the trademark belongs to the company, A A contract or agreement that does not have the right to carry out other activities regarding the use of the trademark.
3. The use of the trademark by a company established after B’s withdrawal is an infringement. If you want to continue to use it, you must obtain the trademark registrant’s license Authorization of trademark use license.