The State Trademark Office downloaded the digital certificate, showing that the signature is invalid, and it is still the same to download it again. - Quotes Website

The State Trademark Office downloaded the digital certificate, showing that the signature is invalid, and it is still the same to download it again.

The State Trademark Office downloaded a digital certificate, showing that the signature was invalid. Downloading is another solution:

1. Try to exit and re-sign.

2. It may be that the handwriting is not neat and the system cannot recognize it. Sign neatly.

Ask the computer department of the Trademark Office, and the staff will answer.

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