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Fundamentals · 4 min read
What Is a Trademark?
The word, name, symbol, or design that tells customers a product or service comes from you. It's the foundation everything else here is built on.
A trademark is any word, phrase, symbol, design, or combination of these that identifies the source of a product or service and distinguishes it from everyone else's. Your business name, your logo, and in some cases even a slogan or a sound can all function as trademarks.
The purpose is simple: a trademark tells the customer who they're buying from, without them having to think about it. That recognition is an asset. It's the reason a customer chooses your product off a shelf full of similar ones, and it's the thing a trademark registration protects.
Trademark rights vs. trademark registration
In the U.S., you can acquire some trademark rights simply by using a mark in commerce: these are called common law rights, and they're limited to the geographic area where you actually operate. Federal registration with the USPTO is what extends that protection nationwide, gives you a legal presumption of ownership, and gives you the tools to stop someone else from using a confusingly similar mark anywhere in the country.
In practice, this is the difference between having a claim and having leverage.
What can be trademarked
Business and product names, logos, taglines, and in narrower cases, product packaging (trade dress), colors, and sounds. Not everything qualifies: a mark has to be distinctive enough to identify a single source, which is why generic or purely descriptive terms are harder, sometimes impossible, to register without additional evidence.
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Related reading
What Does a Trademark Actually Protect?
A trademark doesn't protect an idea, a product, or a business. It protects the identifier, and understanding the difference changes how you use it.
What Are Trademark Classes?
The USPTO doesn't register a trademark in the abstract. It registers it for specific goods or services, organized into 45 international classes.
TM vs. SM vs. ®: What's the Difference?
Three symbols, three very different legal meanings. Only one of them requires a federal registration to use.