
Trademark rights fall into two categories: common law and federally registered trademark rights. The symbols ™ or ℠ refer to common law trademark rights, while ® signifies federally registered trademark rights. Common law trademark rights are established by using a trademark in association with a business or product in commerce in a specific geographic area and are governed by state law. In contrast, federally registered trademark rights are obtained through a formal application process with the United States Patent and Trademark Office (USPTO) and provide nationwide protection. While common law trademark rights provide some basic local protection, they have limitations in terms of enforceability and geographic scope. On the other hand, federal registration offers stronger protection, additional rights, and the ability to sue infringers in federal court.
| Characteristics | Values |
|---|---|
| Registration required | Common law trademarks do not require registration. Federal trademarks require registration with the USPTO. |
| Symbol | Common law trademarks use ™ or ℠. Federal trademarks use ®. |
| Geographic scope | Common law trademarks are limited to the geographic area in which the mark is used. Federal trademarks offer nationwide protection. |
| Strength of protection | Common law trademarks provide basic local protection but are harder to enforce. Federal trademarks offer stronger protection and additional rights, including the right to sue infringers. |
| Application process | Common law trademarks are obtained through use in commerce. Federal trademarks require a lengthy application process and payment of fees. |
| Search process | Federal trademark registration requires a thorough trademark search to ensure the mark does not infringe on existing trademarks. |
| Suit jurisdiction | Federal registration allows trademark owners to litigate in federal court rather than state court, providing additional remedies such as monetary damages. |
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What You'll Learn

Common law trademarks are established through use, without registration
Common law trademark rights are established by opening a business and providing goods and services under a business name or brand. These unregistered trademarks carry rights recognised by state and federal courts and can be enforced against those who use a confusingly similar mark in the same area. For example, if a candy shop opens in California and operates under the same name for many years, common law rights will prevent other candy stores from opening nearby under the same name.
Common law trademarks are protected under the individual state law where the mark is geographically used. State laws, in general, defer to federal law. Common law rights are quite limited compared to state or federal registrations, as they are restricted by geographic area. This could prevent a company from expanding the use of its mark and business into other markets. For example, a common law trademark in Southern California may prevent another business from selling the same product under a similar name in Los Angeles, but not in San Francisco.
Common law trademarks do not benefit from official notice, making it more likely that others might inadvertently use a similar mark, leading to potential conflicts. In contrast, federal registration places the trademark in the official records of the US Patent and Trademark Office, providing constructive notice to others of the mark's existence. This can deter potential infringers who conduct trademark searches before adopting a new mark.
The only way to truly strengthen and protect common law rights is by attaining a federal registration. This allows businesses to expand across state lines without worrying about infringing on the trademark rights of other companies. Federal trademarks can use the ® symbol for deterrence, provide the right to sue infringers, and help recover fees if infringement litigation occurs. Obtaining a registration also discourages other parties from using the same or similar marks in your sphere of commerce.
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Common law trademarks use ™ or ℠ symbols
Common law trademark rights are acquired by being the first to use a mark in connection with goods or services in a particular geographic area. These are unregistered trademarks that still carry rights recognised by state and federal courts. They can be enforced against others who use a confusingly similar mark in the same area. Common law trademarks are governed by state laws and are not the same as federally registered trademarks, which are governed by federal laws.
Common law trademarks can use the ™ or ℠ symbols to indicate their trademark rights. The ™ symbol signifies that the owner claims common law or state law trademark rights or that they have a pending application for federal trademark registration. The ℠ symbol may be applied if the mark is used in connection with the owner's provision of services. These symbols notify others of the owner's trademark rights, but they do not result in the constructive nationwide notice that the federally registered trademark symbol provides.
While common law trademarks are effortless to obtain, they are much harder to enforce. Trademark owners can prevent those in their locale from using similar marks, but their authority does not extend nationwide like federal trademarks. The only way to truly protect a common law trademark is to make it a federal registration.
Federal trademarks are permitted to use the ® symbol, which acts as a deterrent against infringement. Using this symbol provides the trademark owner with nationwide notice of their rights. It is a violation of federal law to use the ® symbol if a federal trademark Certificate of Registration has not been issued.
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Federal trademarks use the ® symbol
Federal trademarks are registered trademarks that are governed by federal laws. They are recorded with the United States Patent and Trademark Office (USPTO) and are identified by the ® symbol. The ® symbol is a registered trademark symbol that signifies that a trademark has been federally registered with the USPTO. It provides public notice of the registration and acts as a deterrent against infringement.
The use of the ® symbol is strictly regulated and can only be used by trademark owners who have obtained a federal trademark registration certificate from the USPTO. It is a violation of federal law to use the ® symbol if a federal trademark certificate of registration has not been issued. The ® symbol should be displayed prominently alongside the registered trademark, typically in the upper or lower right-hand corner, or immediately following the mark.
Federal trademarks offer stronger protection than common law trademarks, as they provide nationwide protection and are easier to enforce. They also carry additional benefits, such as the right to sue infringers and recover fees in litigation. Federal registration also grants the trademark holder the right to file a lawsuit in federal court and provides a jurisdictional advantage over state court.
In contrast, common law trademarks are established through the use of a mark in commerce within a specific geographic area and are governed by state laws. Common law trademarks do not require any registration or application process and are obtained simply by using the trademark in association with a business or product. Common law trademarks can use the ™ or ℠ symbols to indicate their trademark rights, but these symbols do not provide the same level of deterrence and nationwide notice as the ® symbol.
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Federal registration offers nationwide protection
Federal registration places the trademark in the official records of the US Patent and Trademark Office (USPTO), providing constructive notice to others of the mark's existence. This can act as a deterrent to potential infringers, as they can be held liable for damages from the initial use of the trademark. On the other hand, common law trademarks lack this official notice, making it more likely that others might inadvertently use a similar mark, leading to potential conflicts.
The ® symbol is reserved for trademarks that are federally registered with the USPTO. This symbol can be displayed prominently alongside the registered trademark and serves as a further deterrent to potential infringers. Federal registration also makes it easier to apply for foreign trademark registrations and to stop the importation of infringing goods.
To obtain federal registration, it is important to conduct a thorough trademark search to ensure that your mark does not infringe on existing federal, state, or common law trademarks. This process can be complex, and many applicants choose to hire an experienced trademark attorney to conduct the clearance search.
In conclusion, federal registration offers significant advantages over common law trademarks, including nationwide protection, the right to sue in federal court, deterrence, and the ability to record the registration with US Customs and Border Protection to stop the importation of infringing goods. For businesses looking to expand beyond their local market, federal registration provides a stronger and more tangible form of protection for their trademarks.
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Common law trademarks have limited geographic protection
Common law trademark rights are geographically limited to the area where the mark is used or has gained recognition. This means that if a product is sold under a brand name only in a specific region, its protection under common law may be restricted to that region. For example, if a coffee blend is sold under the name "Blaster" in California only, the trademark rights to that name exist solely in California. Consequently, another company using the same name for a different product in New York would not be infringing on the California company's trademark rights. However, if the New York company attempted to sell its product in California, it would be prevented from doing so due to the California company's common law rights.
The geographic scope of common law trademarks can be challenging to define in the digital age, as businesses can have an online presence and customer interaction beyond their physical location. This blurs the boundaries of a trademark's geographic reach and has led to legal complexities, particularly in determining the locus of infringement and the extent of a mark's renown in the digital sphere.
Common law trademarks are denoted by the ™ or ℠ symbol, indicating the owner's claim to the mark. In contrast, federally registered trademarks use the ® symbol, providing nationwide protection and additional rights. Federal registration offers a broader protective net, allowing trademark owners to sue infringers and recover fees in litigation. It also serves as a deterrent and discourages others from using similar marks.
While common law trademarks are easier to obtain, they have regional limitations and are more difficult to enforce than federally registered trademarks. Common law trademark rights are established through the actual use of the mark in commerce, without the need for registration or associated fees. However, as a business expands, seeking federal registration for its trademarks becomes a prudent decision to safeguard its brand identity and gain nationwide protection.
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Frequently asked questions
A common law trademark is a trademark established through the use of a mark in commerce in a specific geographic area. It is not registered with any governmental agency and is governed by state laws. Common law trademarks can use the ™ or ℠ symbols.
A federally registered trademark is a trademark that has been registered with the USPTO (United States Patent and Trademark Office). It is governed by federal laws and has nationwide protection. Federally registered trademarks can use the ® symbol.
The ™ or ℠ symbols are used for common law trademarks, while the ® symbol is reserved for federally registered trademarks. Using the ® symbol provides nationwide notice of trademark rights, while the ™ or ℠ symbols only provide notice within the geographic area where the mark is used.
No, it is a violation of federal law to use the ® symbol for a common law trademark. Only trademarks that have been federally registered with the USPTO are permitted to use this symbol.








































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