Inquiries about trademark registration certificates can usually be made through the official website of the Trademark Office of a country or region.

you can visit the official website of the trademark office of the corresponding country or region and use the trademark registration number or trademark application number for inquiry.

if you registered your trademark in China, you can check it through the official website of China National Intellectual Property Administration.

in the United States, you can inquire about the trademark registration certificate through the website of USPTO.

please make sure to provide accurate trademark registration number or trademark application number when inquiring to obtain correct information.

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