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  • Outline of intellectual property

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A trademark is a word, phrase, or logo that identifies the source of goods or services. Trademark law protects a business' commercial identity or brand by discouraging other businesses from adopting a name or logo that is "confusingly similar" to an existing trademark. The goal is to allow consumers to easily identify the producers of goods and services and avoid confusion.

United States trademark law is mainly governed by the Lanham Act. "Common law" trademark rights are acquired automatically when a business uses a name or logo in commerce, and are enforceable in state courts. Marks registered with the U.S. Patent and Trademark Office are given a higher degree of protection in federal courts than unregistered marks—both registered and unregistered trademarks are granted some degree of federal protection under the Lanham Act 43(a).


United States trademark law sections
Intro  History of US trademark law  Purpose of US Trademark Law  TM vs. \u00ae   Acquiring trademark rights   Trademark registration  Infringement: likelihood of confusion test  Limits on trademark law   Trademark compared to other intellectual property laws   See also   References   External links   

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