Trademark Search

A trademark search is a critical first step before filing a trademark application with the U.S. Patent and Trademark Office (USPTO), which in 2025 eliminated its two-tiered application system in favor of a single $350 per class base fee.

Conducting a trademark search helps identify potential conflicts with marks that are identical or confusingly similar to the one in consideration. Discovering a conflict before filing saves time and money, as it helps avoid risk of building a brand around a mark that belongs to someone else.

How a trademark search works

A comprehensive trademark search examines multiple databases and sources to surface any marks that could conflict with the proposed mark. The process typically covers:

1. The federal database (USPTO). Searches existing registered trademarks and pending applications filed with the USPTO, including exact matches and phonetic variations.
2. State trademark databases. Reviews marks registered at the state level, which may not appear in federal records.
3. Common law sources. Identifies unregistered marks that may still carry legal protection based on actual use in commerce. A common law trademark can create rights even without federal registration.
4. Online and domain name sources. Checks for marks in active commercial use across the internet, including business websites and domain registrations.

The result is a search report that ranks potential conflicts and helps the applicant assess the risk of moving forward with a particular mark.

Why a trademark search matters

Filing a trademark application without first conducting a search is a significant risk, as fewer than 57% of USPTO applications ultimately result in registration. The USPTO will reject an application if the proposed mark is too similar to an existing registered or pending mark, and the filing fee of $350 per class is non-refundable.

Beyond the application itself, using a mark that conflicts with an existing trademark can expose a business to infringement claims, a risk underscored by the 2025 Supreme Court ruling in Dewberry Group, Inc. v. Dewberry Engineers, Inc., which addressed how profits are calculated in trademark infringement suits. A rights holder may demand that the infringing party stop using the mark, rebrand entirely, and potentially pay damages totaling up to three times the defendant's profits in cases of deliberate infringement, with trademark litigation costs ranging from $400,000 to $2,400,000 according to AIPLA survey data. The financial and reputational costs of rebranding an established business are substantial—in one case, a jury returned a nearly $190 million trademark infringement verdict against a company found liable for using a conflicting mark.

A trademark search also informs strategy. If a search reveals that a proposed mark is crowded in a particular industry, the applicant can choose a more distinctive alternative before investing in branding, marketing, or product packaging.

Common uses and examples of a trademark search

Trademark searches are relevant across a wide range of business situations:

• New business formation. An entrepreneur choosing a business name conducts a search to confirm no existing mark would block registration or create infringement exposure. A business name availability search checks state registration records, but a trademark search goes further by covering federal and common law use.
• Product or brand launches. A company preparing to release a new product line should search for existing marks in the relevant goods and services class before finalizing the product name.
• Logo and slogan development. A business developing a new logo or tagline should search for similar marks before committing to design costs and brand rollout.
• Trademark monitoring. After registration, businesses conduct periodic searches to identify newly filed marks that could conflict with their existing rights. This ongoing process is known as trademark monitoring.

Key characteristics of a trademark search

A thorough trademark search goes beyond a simple name lookup. Several features distinguish a comprehensive search from a basic one:

• Phonetic matching. Searches include marks that sound similar to the proposed mark, not just those spelled identically. The USPTO considers phonetic similarity when evaluating likelihood of confusion.
• Class-specific review. Trademark rights are tied to specific classes of goods and services. A search examines whether conflicting marks exist within the same or related classes.
• Coverage of live marks. A live trademark is one that is currently active and enforceable. Searches focus on live marks, though it's good to understand that dead trademarks—marks that have been abandoned or cancelled—can also be relevant when assessing the landscape.
• Pending applications. A mark that has been applied for but not yet registered can still block a new application, and with the USPTO's average total pendency target of 10 months, pending filings represent a meaningful window of conflict risk. A complete search includes pending filings, not just registered marks.

Trademark search vs. business name search

A trademark search and a business name availability search are related but distinct. A business name search checks whether a name is available for registration with a state's Secretary of State. It confirms that another company hasn't already registered that exact name as a legal entity in that state.

A trademark search is broader and legally more significant. It examines whether a name, logo, or slogan is available for exclusive commercial use across the country, regardless of where a business is formed. A name can be available for state registration but still conflict with a federally registered trademark. Relying solely on a business name search before launching a brand is insufficient for trademark clearance purposes.

Limitations and best practices

A trademark search reduces risk but does not eliminate it entirely. No search can guarantee that a mark is completely free of conflict, particularly given the volume of unregistered marks in active commercial use.

Several best practices apply:

• Search before investing in branding. Conduct a search before committing to a name, logo, or slogan, not after marketing materials are printed or a website is launched.
• Use a comprehensive search, not just a basic lookup. A free search of the USPTO's public database covers federal records but misses state and common law marks.
• Evaluate results carefully. A search report identifies potential conflicts, but determining whether a conflict is legally significant requires judgment about similarity, the relevant goods and services, and the likelihood of consumer confusion. An attorney experienced in trademark law can interpret results and advise on risk.
• Search before filing, not after. The USPTO does not require a search before filing, but submitting an application without one significantly increases the likelihood of rejection.

Related terms and next steps

Understanding a trademark search connects directly to several adjacent concepts in trademark law:

• Common law trademark. An unregistered mark that may still carry enforceable rights based on use in commerce; a comprehensive search includes these marks.
• Trademark monitoring. An ongoing process of searching for newly filed or used marks that could conflict with an existing registered trademark.
• Live trademark. A currently active and enforceable mark; the primary focus of any trademark conflict search.
• Dead trademark An abandoned or cancelled mark; understanding dead marks can help assess whether a previously used name is now available.
• Trademark specimen. Evidence of a mark's use in commerce, required as part of the registration process that follows a successful search.

For those ready to move beyond the search, the next step is filing a trademark application with the USPTO. Professional trademark search services, which typically cost between $500 and $1,500, including those offered through LegalZoom, cover federal, state, and common law databases and provide a ranked report of potential conflicts to support that decision.

FAQs about trademark searches

Is a free USPTO trademark search sufficient before filing an application?

A free search of the USPTO's public database covers federal registrations and pending applications, but it misses state-registered marks and unregistered common law marks, both of which can block a new application or support an infringement claim. A search limited to federal records alone is not a substitute for a comprehensive clearance search.

How is "confusingly similar" determined during a trademark search?

The USPTO evaluates likelihood of confusion based on multiple factors, including the similarity of the marks in appearance, sound, and meaning, and the relatedness of the goods or services involved. This means that two marks don't need to be identical to conflict. A mark in an unrelated industry may pose little risk, while a phonetically similar mark in the same product category can be enough to block registration or support an infringement claim.

Can a trademark search be done for a logo or slogan, or only for a name?

A trademark search applies to any element that functions as a mark, including word marks, logos, and slogans, because all three can be registered and enforced independently. A business developing a new tagline or visual identity should search for similar marks in the same goods and services class before committing to design costs, just as it would for a name.

Does conducting a trademark search guarantee the mark is safe to use?

No search can guarantee a mark is entirely free of conflict, primarily because the volume of unregistered marks in active commercial use makes complete coverage impossible. A search significantly reduces risk and reveals the most likely conflicts, but the results still require legal judgment to assess whether any identified marks are close enough to create meaningful exposure.

When should a business conduct a trademark search?

A trademark search should be conducted before finalizing a business name, ideally before any state formation filings, branding investment, or domain registration.

What happens if a trademark search reveals a potentially conflicting mark?

A conflict identified in a search report doesn't automatically mean the proposed mark is unavailable, but it means the conflict requires evaluation against factors like the similarity of the marks, the relatedness of the goods or services, and the geographic scope of the existing mark's use. An attorney experienced in trademark law can assess whether the conflict is legally significant or whether the proposed mark can be distinguished sufficiently to proceed.