
The United States' trademark law is governed by the Lanham Act, which defines federal trademark protection and registration rules. Common law trademark rights are automatically acquired when a business uses a name or logo in commerce and are enforceable in state courts. These rights are limited to the geographic area in which the mark is used, and both registered and non-registered trademarks are eligible for protection under the Lanham Act. While federal registration is not required to establish common law rights, it provides additional benefits and a higher degree of protection in federal courts. This raises the question: does common trademark law in the USA protect non-US companies?
| Characteristics | Values |
|---|---|
| Basis of trademark law in the USA | The Lanham Act |
| Basis of common law trademark rights | Judicially created scheme of rights governed by state law |
| Registration requirement for common law trademark rights | No |
| Geographic scope of common law trademark rights | Limited to the geographic area in which the mark is used |
| Advantages of federal registration | Higher degree of protection in federal courts, additional rights not available under common law |
| Disadvantages of relying solely on common law trademark rights | Leaves the brand vulnerable as it grows |
| Registration requirement for protection in other countries | Yes, in any of the countries that have joined the Madrid Protocol |
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What You'll Learn

Common law trademark rights
In the United States, common law trademark rights are acquired automatically when a business uses a name, logo, or phrase in commerce. These rights are enforceable in state courts and are limited to the geographic area in which the mark is used. For example, if a coffee blend is sold under the name "BLASTER" in California only, the trademark rights to that name exist only in California. If another coffee retailer begins to market a different blend in New York under the same name, there would be no trademark infringement. However, if the New York company attempted to sell their coffee blend nationwide, they would be prevented from entering the California market due to the California company's common law rights to the mark.
It is important to note that federal registration with the United States Patent and Trademark Office (USPTO) is not required to establish common law rights in a mark. However, federal registration provides additional benefits, such as the ability to use the ™ symbol, a higher degree of protection in federal courts, and the right to sue infringers. Federal registration also makes it easier to apply for foreign trademark registrations and prevents others from adopting a similar mark. Therefore, as a business grows, investing in federal trademark registration can be a wise decision to strengthen common law trademark rights and provide national protection.
To obtain federal trademark registration, an application must be filed with the USPTO and approved. Registering a trademark with the USPTO provides legal presumption of the right to use the trademark nationwide and prevents others from using similar marks for similar goods or services. Before applying for federal registration, it is crucial to conduct a comprehensive trademark search to ensure that the mark does not infringe on existing federal, state, or common law trademarks. This search should include components such as a USPTO database search, industry-specific directory searches, social media searches, and domain searches.
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Federal trademark registration
To obtain federal trademark registration, an application must be filed with the USPTO. The process can be completed online through the Trademark Center, which allows applicants to pay fees, track the status of their applications, and submit all necessary documentation. The application requirements include providing the citizenship of each individual applicant or the state or country of incorporation for each juristic applicant, satisfying specific filing bases, and submitting a verified statement.
It's important to note that federal trademark registration requires the use of the mark in interstate commerce. If a mark is only used within a single state, registration at the state level may be more appropriate. State trademark registrations are typically done by filing an application with the Secretary of State of the relevant state.
For non-US companies, the Madrid Protocol offers a convenient way to seek trademark protection in multiple countries, including the United States, by filing a single application. This international registration system simplifies the process for global businesses seeking trademark protection in the US market.
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State trademark registration
In the United States, trademarks are mainly governed by the Lanham Act, which defines federal trademark protection and registration rules. While the Lanham Act grants the United States Patent and Trademark Office (USPTO) administrative authority over trademark registration, state law continues to provide its own trademark protection, complementing the federal system.
It is important to note that state registrations are less potent than federal trademark registration. Federal registration provides a higher degree of protection in federal courts and offers additional rights not available under common law. However, federal registration requires the use of the mark in interstate commerce. If a mark is only used in one particular state, registration at the state level may be more appropriate.
Trademark rights under common law are acquired automatically when a business uses a name or logo in commerce and are enforceable in state courts. Common law trademark rights are limited to the geographic area in which the mark is used. For example, a company selling a product under a specific brand name in California would have trademark rights only in California. If another company used the same name in New York, there would be no infringement unless the New York company attempted to sell its product in California.
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International trademark protection
The protection of trademarks is an important aspect of doing business internationally. Trademarks are words, phrases, or logos that identify the source of goods or services and help consumers distinguish between different producers. In the United States, trademark law is primarily governed by the Lanham Act, which grants the United States Patent and Trademark Office (USPTO) administrative authority over trademark registration and protection.
While the Lanham Act provides federal protection for trademarks used in interstate commerce, it is important to note that trademark rights under common law are acquired automatically when a business uses a name or logo in commerce and are enforceable in state courts. These common law trademark rights are limited to the geographic area in which the mark is used. For example, if a company sells a product under a brand name only in California, their trademark rights exist only within that state.
For companies seeking international trademark protection, there are a few options available. One option is to file trademark applications directly with each country's trademark office where protection is sought. This process can be time-consuming and costly, especially when applying for protection in multiple countries.
To streamline the process of international trademark registration, the World Intellectual Property Organization (WIPO) has established the Madrid System. The Madrid System allows trademark owners to file a single international trademark application and pay one set of fees to apply for protection in multiple countries, with the system covering up to 130 countries. This centralized system makes it easier and more cost-effective for businesses to manage their global trademark portfolio.
It is important to note that the Madrid System requires applicants to already have a national or regional trademark registration in the IP Office of a Madrid System member. Additionally, there may be additional fees depending on the number of countries and the classes of goods and services covered. The term of trademark registration is usually ten years, after which it must be renewed to maintain protection.
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Lanham Act
The Lanham Act, enacted by Congress in 1946, is the primary federal statute governing trademark law in the United States. The Act establishes a national system of trademark registration and grants owners of federally registered trademarks the right to pursue civil remedies for trademark infringement, trademark dilution, cybersquatting, and false advertising.
The Lanham Act defines a trademark as a mark used in commerce or registered with a bona fide intent to use it in commerce. If a mark is not in use in commerce at the time of application for registration, registration may still be permitted if the applicant establishes, in writing, a good faith intent to use the mark in commerce in the future. Under the Lanham Act registration procedures, exclusive rights to a trademark are awarded to the first to use it in commerce.
To establish trademark infringement under the Lanham Act, the plaintiff must demonstrate that they have a valid and legally protectable mark, and that the defendant's use of a similar mark is likely to cause confusion among consumers. The Act sets out clear parameters for what constitutes trademark infringement, but subsequent court decisions, especially those involving the Internet, have loosened these rules.
The Lanham Act has been held to have extraterritorial impact, and US circuit courts have interpreted its scope more broadly. For the Act to apply, at least two of the following three factors must be met: the defendant's conduct must have a substantial effect on US commerce, the defendant must be a US citizen, and there must be no conflict with foreign law.
The Lanham Act offers protection to both trademark owners and consumers. Both registered and non-registered trademarks are eligible for protection under the Act, although registration affords several advantages, including "incontestability" after five years of unopposed registration.
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Frequently asked questions
Yes, US common trademark law can protect non-US companies. Common law trademark rights are acquired automatically when a business uses a name or logo in commerce and are enforceable in state courts. However, it's important to note that common law trademark rights are limited to the geographic area in which the mark is used.
Some key benefits of common law trademark rights include immediate ownership rights that begin as soon as the trademark is used in commerce, enforceability within your geographic area, and protection from confusingly similar marks being used by competitors in your local market.
Common law trademark rights have several limitations. They are limited to the geographic area where customers associate the mark with the business, making expansion difficult. Additionally, without registration, it can be challenging and costly to prove when the mark was first used and how consumers recognize it in case of a dispute.





































