How to Search US Trademarks by Class Registration: A Comprehensive Guide
Welcome to the world of trademark searching, where the journey of protecting your unique brand name, logo, or tagline begins. In this article, we'll delve into the nitty-gritty of searching US trademarks by class registration, ensuring you're equipped with the necessary knowledge to register your trademark efficiently.
Understanding Trademark Classification
Before we dive into the searching process, it's essential to grasp the concept of trademark classification. The United States Patent and Trademark Office (USPTO) categorizes goods and services into 45 classes, ranging from Class 1 (Chemical Goods) to Class 45 (Personal and Social Services). Each class represents a broad category of goods or services, helping to organize applications, assess fees, and facilitate searching.
Step 1: Choose Your Trademark Class

Start by selecting the relevant trademark class for your goods or services. To do this, visit the USPTO's website and navigate to the "Trademark Classification" section. Use the alphabetical index or search by keyword to find the correct class. For example, if you're registering a trademark for a clothing brand, you'll likely choose Class 25 (Clothing, Footwear, Headwear).
Step 2: Use the USPTO's Searchable Database
With your chosen class in mind, it's time to search the USPTO's searchable database. This powerful tool allows you to filter results by class, keyword, and other criteria. Simply follow these steps: