according to the provisions of the regulations on the implementation of trademark law, when registering a trademark, it is necessary to change the name, address and other related registration matters of the registrant, and an application for change is required before this.

if an applicant has submitted an application for registration but has not been approved for registration, and his name, address or other registered items change, he may apply to the Trademark Office for the corresponding change procedures.

does a company need to change its trademark when it changes? No, it only needs to change its registered address and company name, and it doesn't need to change its trademark when it changes its legal person or shareholders and its business scope.

what are the risks if the trademark is not changed in time?

1. According to the trademark usage rules, if the address or name of the registration certificate is inconsistent with the registered subject, it will affect the legal effect of the evidence in the later trademark disputes, and it will also be regarded as an act of nonstandard trademark usage.

2. if a trademark is not changed in time according to the subject change information, a third party may request the trademark office to cancel its registered trademark according to the regulations on the implementation of the trademark law.