The US Trademark Office has gradually implemented the electronic trademark registration certificate to replace the traditional paper certificate. You can download the electronic registration certificate of American trademark by the following steps:

1. Log on to the Trademark Office website: visit USPTO official website.

2. Login/registration account: use your trademark registration account to log in to the system. If you don't have an account, you need to register one.

3. Enter the trademark management interface: after logging in, find and enter the trademark management interface or related options.

4. Select a registered trademark: in the management interface, find and select your registered trademark.

5. Download the registration certificate: On the trademark details page, there should be an option or link to provide the option to download the electronic registration certificate. Click this option, and you may be asked to confirm your identity.

6. Save or Print: After downloading, you can choose to save the electronic registration certificate to your computer or print it out. It is usually saved in PDF format for later use.

Please note that the specific steps may change according to the update of the website of the US Trademark Office, so it is recommended to consult the relevant guide on the USPTO website or contact USPTO customer service for accurate information before actual operation.

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