
A common law trademark can be claimed on a logo without registering it with a governmental agency. This is done by using the logo in commerce in a specific geographical area. The TM symbol can be used to indicate a claim to a common law trademark. However, common law trademarks are limited to the geographic area in which the trademark is used. To gain nationwide protection, it is recommended to register the trademark with the USPTO.
| Characteristics | Values |
|---|---|
| Protection | Common law trademark provides protection for a symbol, logo, product name, or other words or marks that identify the source of goods or services. |
| Search | A common law trademark search must be extensive and time-consuming as there is no central database. It must cover various sources, including the internet, public records, newspapers, and registered trademarks in the USPTO trademark database. |
| Symbol | Common law trademarks can use the TM symbol to declare ownership. |
| Registration | Common law trademarks do not require registration. They are established solely through the use of a trademark in commerce in a specific geographical area. |
| Enforcement | Common law trademark enforcement is up to the trademark owner. They must take steps to prevent others from using their marks to avoid losing their trademark rights. |
| Geographic restrictions | Common law trademark rights are limited to the geographic area in which the mark is used. |
| Advantages of federal registration | Federal registration provides additional protections and rights, including nationwide protection, the right to use the ® symbol, listing in the USPTO database, and the right to sue for damages if someone infringes on the trademark. |
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What You'll Learn
- Common law trademark rights are limited to the geographic area in which the mark is used
- Common law trademarks can be established through use in commerce in a specific geographical area
- Common law trademark rights go to the business that uses the trademark first
- Common law trademark protection can be invaluable for small businesses
- To declare your ownership of a common law trademark, you should add a superscript TM to it

Common law trademark rights are limited to the geographic area in which the mark is used
The geographic scope of a common law trademark is crucial in defining the protection level of the trademark. If a trademark is only used within a particular region, its protection under common law may be limited to that region. The rights are limited to the geographical areas within the United States where the marks have gained recognition and do not automatically extend to foreign territories.
To extend the geographic scope of a common law trademark, businesses can expand their operations or advertisements into new regions, gaining customer recognition in these areas. However, it is important to note that common law trademark enforcement is the responsibility of the trademark owner. If you do not take steps to prevent others from using your marks, you could lose your trademark rights. This includes policing the trademark, or keeping track of whether anyone else is using it, and taking legal action if necessary.
The drawbacks of choosing common law trademark rights over federal protection include no national protection, as your rights are limited to the areas in which you do business. Registering a trademark with the USPTO can lead to nationwide protection and extra security for your company. While a common law trademark provides basic local protection, its regional restrictions and lack of enforceability make it less suitable as a long-term solution. Therefore, many businesses seek federal registration for their trademarks to gain a broader protective net and a presumption of ownership.
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Common law trademarks can be established through use in commerce in a specific geographical area
A common law trademark is a trademark established through use in commerce in a specific geographical area. This means that a business can acquire trademark rights by simply using a trademark in connection with its goods or services, without having to register the trademark with a government entity. Common law trademarks can protect business names, product names, logos, and taglines.
The key difference between common law trademarks and federally registered trademarks lies in the amount and geographic reach of protection. While federal trademarks offer nationwide protection, common law trademarks are limited to the geographic area in which the trademark is used. For example, if a business sells a product only in Southern California, its common law trademark may prevent another business from selling the same type of product under a similar name in Los Angeles. However, it would not prevent a competitor from using the same trademark in San Francisco or elsewhere in Northern California.
It is important to note that common law trademark rights go to the business that uses the trademark first in a specific region. To secure common law protection, a trademark must be capable of distinguishing the goods or services of one business from those of another, and it must be in commercial use. The establishment of rights over a common law trademark is achieved through bona fide business use, indicating that a particular product or service originates from a specific source.
To declare ownership of a common law trademark, businesses can add a superscript "TM" to their trademark. This notifies others of their trademark rights and can deter competitors from using similar trademarks. However, it is the responsibility of the trademark owner to enforce their common law trademark rights by taking action against infringers.
While common law trademarks provide some basic local protection, they have limitations due to their regional restrictions and lack of enforceability. As a business grows, investing in a federal trademark registration can provide stronger protection and deterrence against infringers.
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Common law trademark rights go to the business that uses the trademark first
Common law trademark rights are acquired by simply using the trademark in association with your business or product. There is no application process for common law trademarks, and there are no fees associated with attaining a common law mark. These rights are called common law rights, and they provide an owner with the exclusive right to use a mark within a certain geographic area based on their priority use of the mark. When a trademark owner is the first to use a mark, they are referred to as the "senior user". Anyone who starts using a confusingly similar mark thereafter is called the "junior user".
Senior users of a common law trademark can prevent junior users from using similar marks if they are operating in the same geographic area and using the mark in connection with the same or related goods and/or services. A junior user may be able to use a similar mark for related goods or services as a senior user as long as the mark is used outside of the senior user's geographical area.
To declare ownership of a common law trademark, you should add a superscript "TM" to it. This notifies others of your trademark rights and can deter copiers and competitors from using your trademarks on their goods or services. However, it is important to note that common law trademark enforcement is up to the trademark owner. If you don't take steps to prevent others from using your marks, you could lose your trademark rights. This means keeping track of whether anyone else is using your mark and taking action if you learn that another business in your area is using it.
While common law trademarks can provide some basic local protection for your business, they have regional restrictions and lack enforceability, making them ill-suited as a long-term defensive solution. The only way to truly protect your common law trademark is by making it a federal registration. As your business grows, national protection of the goodwill behind your brand and product becomes a top priority, and investing in a federal trademark registration is a wise business decision.
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Common law trademark protection can be invaluable for small businesses
A common law trademark can be claimed on a logo if you were the first to use it in commerce in a particular geographic area. This means that you have exclusive rights within your region to use the logo in sales, marketing, production, and other aspects of your company. Common law trademark protection can be invaluable for small businesses as it provides a way to stop local competitors from using your mark.
Common law trademark rights are automatic protections that arise from using a trademark in commerce. These rights are based on the use of the trademark within a particular geographic area. You may only be able to enforce these rights in the specific areas where you use the trademark. For example, if you sell a product only in southern California, your common law trademark may prevent another business from selling the same type of product under a similar name in Los Angeles. However, you will be unable to prevent a competitor from setting up shop with your name in San Francisco or elsewhere in northern California.
To declare your ownership of a common law trademark, you should add a superscript "TM" to it. The TM symbol signifies that you claim common law or state law trademark rights or that you have a pending application for federal trademark registration. When you place a TM on your trademarks, you notify others of your trademark rights, which can deter copiers and competitors from using your trademarks.
However, common law trademark rights can be hard to enforce because there is no public record of your trademark or when your trademark use began. To truly strengthen your common law rights, you must attain a federal registration. Registering your trademark with the USPTO creates rights throughout the entire United States and its territories and includes your registration in a publicly accessible database of registered trademarks. You can use the ® symbol and generally rely on these rights to protect your trademark as you expand across state lines.
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To declare your ownership of a common law trademark, you should add a superscript TM to it
A common law trademark can protect your business name, product names, logos, and taglines. However, the protection is limited, and you will only be able to enforce a common law trademark in the geographic area where the trademark is used. For example, if you sell a product only in southern California, your common law trademark may prevent another business from selling the same type of product under a similar name in Los Angeles. But you will not be able to prevent a competitor from setting up shop with your name in San Francisco or elsewhere in northern California.
It is important to note that common law trademark rights are automatic protections that arise from actually using a trademark in commerce. You acquire common law trademark rights just by using your trademark in your business. Your common law trademark rights begin when you start using the mark in commerce in a particular geographical area. The first person to do this—as opposed to the first person to register with the United States Patent and Trademark Office (USPTO)—owns the common law rights to the mark in that area.
Before you begin to attempt to establish your right to a common law trademark, you should make sure that no one else is already using the mark. Due diligence now could avoid the unfortunate situation of finding out you have infringed on someone else's common law trademark later. Even if the common law trademark owner doesn't choose to sue you for infringement, you still could face incredible costs to rename and rebrand your business.
You can strengthen your common law trademark rights by registering your trademarks with the U.S. Patent and Trademark Office (USPTO). Registering a trademark with the USPTO gives you a legal presumption that you have the right to use the trademark nationwide and prevents others from using a similar mark for the same types of goods or services.
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Frequently asked questions
A common law trademark is a trademark established through the use of a symbol, logo, product name, or other words or marks that identify the source of goods or services. It is not registered with the state or federal government.
To establish a common law trademark on an old logo, you must be the first to use the logo in a specific geographical area. You can declare your ownership by adding a superscript "TM" to the logo.
Common law trademarks provide basic local protection for your business and can be obtained without any application process or fees. They can also serve as a deterrent to competitors from using similar marks.
Common law trademarks have regional restrictions and are not as easily enforced as federal trademarks. They do not provide national protection and may not be recognized in other states.
To protect your common law trademark, you must "'police'" the trademark by monitoring its use and taking action against potential infringers. Registering your trademark with the USPTO can provide additional protections and rights, including nationwide protection and the right to sue for damages.











































