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

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

2. It takes about 4 months to review the trademark change.

Legal basis: Trademark Law of the People's Republic of China

Article 23 Where a registered trademark needs to obtain the exclusive right to use a trademark on goods outside the approved scope of use, a separate application for registration shall be filed.

article 24 where a registered trademark needs to change its logo, it shall file a new application for registration.