What is it and how can you benefit?

Protecting your brand in the United States begins with a thorough trademark search. The US trademark system is intricate, with its own set of legal principles, databases, and procedures that must be navigated to ensure that your trademark is unique and available for use. This guide provides a detailed overview of everything you need to know about conducting a trademark search in the US, from understanding the trademark types to navigating the United States Patent and Trademark Office (USPTO) database, and beyond.

Table of contents:

What is a US Trademark Search? 

A US trademark search is the process of investigating existing trademarks to ensure that a new trademark is unique and does not infringe on the rights of others. This involves examining the USPTO database, state trademark databases, and even unregistered (or common law) trademarks. A comprehensive search is critical before filing a trademark application to avoid potential legal disputes and the rejection of your application. 

Why is a US Trademark Search important? 

Conducting a trademark search before filing is essential for several reasons: 

  • Avoiding infringement: Ensures your trademark does not infringe on existing trademarks, which could result in costly legal disputes or the need to rebrand. 
  • Application success: Increases the likelihood of your trademark application being approved by identifying potential conflicts early. 
  • Brand protection: Helps protect your brand by confirming that your trademark is unique and can be legally defended against imitators. 

Primary types of US trademarks

Word marks

Protect the wording of a brand, regardless of style or font.

Design marks

Protect the visual design or logo associated with a brand.

Sound marks

Protect distinctive sounds used to identify a brand, such as jingles.

Color marks

Protect specific colors that are used to distinguish a brand, though these are less common and harder to register.

The US Trademark Search process 

1. Search the USPTO database 

The first step in any US trademark search is to examine the USPTO’s online database. This database contains all federally registered trademarks and pending applications. A search typically involves: 

  • Exact matches: Searching for trademarks that are identical to your proposed mark. 
  • Similar marks: Identifying trademarks that are similar in appearance, sound, meaning, or commercial impression. 
  • Class of goods/services: Ensuring the search covers the appropriate class or classes related to your products or services. 

2. Check state trademark databases 

In addition to the USPTO database, it’s important to search individual state trademark databases. Trademarks registered at the state level may not appear in the federal database but can still prevent the use of a similar mark within that state. Each state has its own registry and search tools. 

3. Conduct a common law search 

Common law trademarks are not registered with the USPTO or state authorities but are protected based on their use in commerce. These can be challenging to find since they aren’t listed in official databases. To conduct a thorough common law search: 

  • Review business directories: Search through online business directories, local trade names, and business listings. 
  • Check domain names: Investigate existing domain names to see if they correspond to your proposed trademark. 
  • Search social media: Explore social media platforms for unregistered but widely recognized trademarks. 

4. Consider international trademarks 

If your business has plans to operate internationally, it’s wise to consider potential conflicts with trademarks registered in other countries, particularly if those marks are well-known in the US or could impact your brand’s global presence. 

US trademark classes 

Trademarks in the US are categorized into 45 different classes, which represent different types of goods and services: 

  • 34 classes for goods (Classes 1-34) 
  • 11 classes for services (Classes 35-45) 

Understanding the class your trademark falls into is vital, as it affects the scope of your protection and the areas you need to search. When you register a trademark, you must specify the class or classes that correspond to the products or services your mark will cover. For example, a trademark in the class for clothing (Class 25) would only need to be searched for conflicts within that class unless it has a broad reputation. 

Multiple classes and filing considerations 

It is possible to register a trademark in multiple classes if your goods or services span across different categories. However, remember that each additional class adds to the cost of filing and maintaining your trademark. Here are some key considerations: 

  • Filing fees: The USPTO charges a separate fee for each class you include in your application. 
  • Use requirements: For each class, you must demonstrate that you are using the trademark in commerce (or have genuine intent to use it) for the goods or services listed. 
  • Specimens: When filing a trademark application, you must provide a specimen (a real-world example) showing the trademark in use for each class of goods or services. 

Common misconceptions about trademark classes 

  1. One class = total protection: Registering in a single class only protects your trademark within that specific category. If your business operates in multiple sectors, you may need to register in several classes. 
  2. Class similarities: Trademarks in different classes can still conflict if they are considered similar in nature or if consumers are likely to be confused about the source of the goods or services. This is particularly true for classes that often overlap, such as Classes 9 (software) and 42 (IT services). 
  3. International registration: US trademark classes align with international standards, but other countries may have different rules or interpretations. If you plan to expand internationally, it’s essential to research the trademark class systems in those jurisdictions. 

The role of trademark attorneys

While it is possible to conduct a US trademark search on your own, the process can be complex and nuanced. Hiring a trademark attorney can provide several benefits: 

  • Expertise: Attorneys understand the nuances of trademark law and can help navigate the complexities of the search process. 
  • Comprehensive search: Attorneys can access additional resources and databases, increasing the thoroughness of your search. 
  • Legal advice: Attorneys can provide guidance on potential risks and the likelihood of successful trademark registration.

Common challenges in US Trademark Search

Similarity confusion

Determining whether a mark is too similar to an existing trademark can be subjective and may require legal interpretation.

Common law marks

Identifying unregistered trademarks requires extensive research and may not always be conclusive.

International conflicts

Trademarks registered outside the US but well-known domestically can pose a risk even if not registered with the USPTO.

What happens after the search? 

Once your trademark search is complete, and no significant conflicts are found, you can proceed with filing your trademark application with the USPTO. If conflicts are identified, you may need to consider modifying your trademark, selecting a different mark, or conducting further research. 

Common law trademarks and their impact 

It’s essential to recognize that even if your search of the USPTO and state databases returns no conflicts, common law trademarks can still present challenges. A business with prior use of a similar mark, even if unregistered, could oppose your application or bring legal action. That’s why understanding the scope of common law rights and how they impact your trademark search is critical. 

Learn more about common law trademarks >

Next steps 

Conducting a thorough trademark search is a crucial step in securing and protecting your brand in the United States. By understanding the types of trademarks, navigating the USPTO and other relevant databases, and addressing potential challenges, you can significantly increase the likelihood of successful trademark registration and avoid costly legal disputes. Whether you’re a startup or an established business, taking the time to perform a detailed trademark search will pay off in the long run.