Unpublished information and detailed trademark information.

1. Unpublished information: The national trademark search platform can only retrieve published information, such as trademark applications, registrations, etc. The Trademark Office has not published relevant information, so it cannot be retrieved from the platform.

2. Detailed trademark information: In addition to basic information such as trademark name, trademark category, trademark status, etc., the national trademark search platform cannot provide more detailed trademark information, such as trademark pattern, trademark registrant name, trademark Registration address, etc. cannot be provided.