Companies can buy and sell their trademarks. The company's trademarks are registered in the name of the company and belong to the company's property. The company has the right to dispose of its own trademarks, that is, it can freely buy and sell its own trademarks. The trademarks owned by the company are trademarks cultivated by the company itself and are part of the company's property. The company can buy and sell its trademarks. Therefore, a company can buy and sell its trademarks.