Search Trademarks by Class in US: A Comprehensive Guide
The process of searching trademarks by class in the US is a crucial step in ensuring that your trademark is available for registration and does not conflict with existing trademarks. In this article, we will guide you through the process of searching trademarks by class in the US, using the United States Patent and Trademark Office (USPTO) database.
Understanding Trademark Classification
Trademark classification is the process of categorizing goods and services for trademark registration. It is essential to select the correct class when filing a trademark to define the scope of protection, navigate the examination process smoothly, and enable efficient trademark searches and portfolio management.
USPTO Trademark Classes
The USPTO uses a classification system, known as the International Classification (IC), which consists of 45 classes of goods and services. Each class can cover a wide range of goods or services, and searching available trademarks by class can help narrow down available prospects.
Trademarks by Class Numbers
- Class 1: Chemicals
- Class 2: Paints
- Class 3: Cosmetics and Cleaning Preparations
- Class 4: …
- Class 45: Entertainment Services
Searching Trademarks by Class in US
To search trademarks by class in the US, you can use the USPTO's searchable database, known as the Trademark Electronic Search System (TESS). This database allows you to search for trademarks by name, number, or class numbers.
How to Search Trademarks by Class in US
- Visit the USPTO's website and navigate to the TESS database.
- Choose the class number or range of class numbers you wish to search.
- Enter your search query, such as a trademark name or description.
- Refine your search results using filters such as trademark status, filing date, and goods or services.

Importance of Searching Trademarks by Class in US
Searching trademarks by class in the US is essential to avoid conflicts with existing trademarks and to ensure that your trademark is available for registration. A comprehensive search of the USPTO database can help you identify potential issues with your trademark and enable you to make informed decisions about your brand.
Tools for Searching Trademarks by Class in US
There are several tools available to help you search trademarks by class in the US, including:
- Trademark.io: A free online tool that allows you to search for trademarks by name, number, or class numbers.
- TrademarkElite: A comprehensive trademark database that covers USPTO filings and registrations.
- ClassACT: A tool that assigns international classes to unclassified applications and enables searches by class, country, or filing date.
Conclusion
Searching trademarks by class in the US is a critical step in the trademark registration process. By using the USPTO's searchable database and other tools, you can ensure that your trademark is available for registration and does not conflict with existing trademarks. Remember to conduct a comprehensive search of the USPTO database and use filters to refine your search results.
Additional Resources
For more information on searching trademarks by class in the US, visit the USPTO's website or consult with a trademark attorney.
References:
- USPTO. (n.d.). Trademark Classes.
- USPTO. (n.d.). Trademark Electronic Search System (TESS).
- Trademark.io. (n.d.). Trademark Search.
- TrademarkElite. (n.d.). Trademark Search Database.
- ClassACT. (n.d.). Trademark Classification Tool.