Your store has a copyright notice in the footer of each page. As a best practice, the copyright notice should include the current year, and identify your company as the legal owner of the content on the site.
&Copy; character code is used to insert the copyright symbol, as shown in the following examples:
Long Format Example
Copyright &Copy; 2013-2019 Magento, Inc. All rights reserved.
Short Format Example
&Copy; 2019 Magento, Inc. All rights reserved.
To change the copyright notice:
On the Admin sidebar, tap Content. Then under Design, choose Configuration.
In the grid, find the store view that you want to configure. Then in the Action column, click Edit, and do the following:
Under Other Settings, expand the Footer section.
In the Copyright box, enter the copyright notice that you want to appear in the footer of each page. Use the
&Copy;character code to insert a copyright symbol.
When complete, tap Save Configuration.