Legal analysis: Completion cycle: It takes about six months for a trademark change to be completed from submission to completion.

1. The Trademark Office will issue an acceptance notice in about 1 month;

2. The trademark change review will take about 4 months.

Legal basis: "Regulations on the Implementation of the Trademark Law of the People's Republic of China" Article 30 If the name, address or other registration information of the trademark registrant is changed, a change application shall be submitted to the Trademark Office. If the name of the trademark registrant is changed, a change certification document issued by the relevant registration authority must also be submitted. If the Trademark Office approves the application, it shall issue corresponding certificates to the trademark registrant and make an announcement; if it disapproves the application, it shall notify the applicant in writing and explain the reasons.

If the name or address of the trademark registrant is changed, the trademark registrant shall change all registered trademarks together; if the changes are not made together, the Trademark Office shall notify the trademark registrant to make corrections within a time limit; if the trademark registrant fails to make corrections within the time limit, it shall be deemed as To abandon the change application, the Trademark Office shall notify the applicant in writing.