To check the trademark registration number, you can follow the steps below:

1. Trademark registration agency website:

The official website of many trademark registration agencies provides Trademark registration number query function. You can visit the website of the relevant trademark registration agency. Usually, on the trademark search or query page of its website, a search box for entering the trademark name or other relevant information is provided to query the trademark registration number.

2. Trademark database:

Some trademark database websites also provide query services for trademark registration numbers. You can use the search function of the trademark database website and enter the trademark name or other relevant information to query the trademark registration number. Some commonly used trademark database websites include Trademarkia, TMview, and the trademark registration agency's own online database.

3. Trademark registration certificate:

If you have obtained a trademark registration certificate, the trademark registration number will usually be indicated on the certificate. You can check the trademark registration certificate to obtain the trademark registration number.

4. Trademark agency:

If you entrust a trademark agency to apply for trademark registration, they will usually track the progress of your application and obtain a trademark registration number. You can contact your trademark agency and ask them for your trademark registration number.

Please note that searching for trademark registration numbers may vary by country or region. When searching for a trademark registration number, make sure to enter the exact trademark name and other relevant information to get accurate results.

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