Trademarks 101

TM vs SM vs ®: When to Use Each Trademark Symbol

Trademark symbols communicate your claim to a mark and can deter potential infringers. You may use the TM symbol for goods or SM for services immediately upon adopting a mark, even if it is not regist...

By GleanMark Editorial Team
May 5, 2025
5 min read

trademark symbols communicate your claim to a mark and can deter potential infringers. You may use the TM symbol for goods or SM for services immediately upon adopting a mark, even if it is not registered. These symbols signal that you consider the mark your property and intend to protect it. They do not confer legal rights; they simply put the public on notice of your claim. Once your mark is federally registered, you may use the ® symbol. The ® denotes that the mark is registered with the USPTO, conveying nationwide rights and legal presumptions. Use it only in connection with the goods or services listed in your registration. Placing the symbol as a superscript or subscript to the right of the mark is typical. Misusing the ® symbol before registration can lead to penalties, so ensure registration is complete before updating your marketing materials.

Meaning of Each Symbol

The TM symbol indicates that you claim rights to a trademark for goods. The SM symbol serves the same purpose for services. These symbols put competitors and consumers on notice that you consider the mark your property and intend to protect it. You can use them even before filing an application, but they confer no legal rights beyond common‑law protections. They do, however, provide evidence that you are asserting ownership, which can be useful in enforcement actions. The ® symbol signifies that your mark is registered with the USPTO. Using the ® symbol without a registration is illegal and can result in fines or denial of registration. Once your registration issues, you should update all uses of your mark to include the ® symbol, but only in connection with the goods and services listed in your registration. For example, if your registration covers clothing but not accessories, you may not use the ® symbol when selling branded accessories until you obtain additional coverage.

Placement and Formatting

The placement of these symbols is largely a matter of style, but best practice is to place the symbol as a superscript or subscript immediately after the mark. For example, Brand™, Brand℠ or Brand®. In digital contexts, ensure the symbol is clearly legible and not separated by line breaks. On product packaging, incorporate the symbol into the design or print it in small type. Consistent placement reinforces brand recognition.

International Considerations

Trademark symbol conventions vary by country. The ® symbol is recognized in many jurisdictions, but some countries do not permit its use unless the mark is registered locally. In countries that do not recognize common‑law rights, the TM or SM symbols may carry little weight. When expanding internationally, consult local counsel about appropriate symbol usage to avoid misrepresentations.

Consequences of Misuse

Misusing trademark symbols can undermine your brand protection strategy. Using the ® symbol on an unregistered mark may be considered fraud and can hinder your ability to register later. Failing to use any symbol does not forfeit your rights, but it misses an opportunity to deter infringers and may weaken evidence of your claim. Be mindful when redesigning packaging or marketing materials to update the symbols accordingly.

Best Practices

Consistent use of trademark symbols reinforces your brand protection strategy. Update packaging, websites and advertising materials to include the appropriate symbol. Educate your team about correct usage to avoid inadvertent misrepresentation. Document the date you first used each mark and symbol; this documentation can be useful in legal disputes. Finally, remember that symbols complement, but do not replace, formal trademark registration. The ® symbol carries greater authority because it signals that your rights have been examined and recognized by the USPTO.


Sources

What is a trademark? | USPTO

Using Trademark Symbols in Digital and Social Media

Digital platforms present unique challenges for trademark symbol usage. On social media profiles, character limits may make it impractical to include symbols in every mention of your brand. The best practice is to use the appropriate symbol in your profile name or bio (where it is most visible) and in any formal marketing content, even if you omit it in casual posts.

For websites, include the symbol at least once prominently — typically in the header, footer, or homepage — and in legal pages such as your terms of service. You do not need to include it every time the mark appears on the site, but the first or most prominent use on each page should carry the symbol.

Email signatures, digital ads, and app store listings should all use the correct symbol. If your mark is registered, using the ® symbol in these contexts strengthens your enforcement position and puts potential infringers on notice.

For a deeper understanding of how trademark registration works and when you earn the right to use ®, see our trademark basics guide. If you are preparing to file your application, our step-by-step filing guide walks through the full process from search to registration.

FAQ

When can I use the ® symbol?

Only after your mark is federally registered in the USPTO for the listed goods/services.

What is TM used for?

Unregistered trademarks for goods to signal claimed rights while pending or in common-law use.

What is SM used for?

Unregistered service marks for services to signal claimed rights while pending or in common-law use.


Before you file: run a free trademark lookup to screen conflicts early. And if you need help with specimen selection or understanding the examination process, our guides have you covered.

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