The trademark sign.
More from Tech Symbols.
The quickest way is to copy ™ from this page and paste it anywhere. You can also insert it with its Unicode, HTML, or alt code listed above.
™ is U+2122 (decimal 8482).
Use ™ in HTML to render ™ on a web page.
On Windows you can type it with Alt+8482 (hold Alt and enter the number on the numeric keypad).
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