Yes, buying and selling a trademark is actually an act of trademark transfer, which means that the trademark registrant transfers the exclusive right to use a trademark to another party according to legal procedures within the validity period of a registered trademark.

1. trademark transfer process: application → acceptance → review → announcement → issuance of transfer certificate.

2. Documents required for trademark transfer:

a. Application for Transfer/Registration of Trademark;

B, identification documents of the transferor and the transferee (photocopies);

c. Submit the Power of Attorney issued by the transferee for the entrusted agent, and submit the original and photocopy of the ID card of the transferee's agent directly in the acceptance hall;

D, if applying for transfer, relevant supporting documents shall also be submitted;

e. if the application documents are in a foreign language, a Chinese translation confirmed by the signature of the translation agency shall also be provided.

3. trademark transfer time: it takes about 6-11 months.

however, in the case of Article 42 of the Trademark Law, it cannot be transferred.