Find the correct USPTO international trademark class for your product or service. Search all 45 classes by keyword.
The USPTO uses 45 international trademark classes. Classes 1-34 cover goods (products), and classes 35-45 cover services. When filing a trademark application, you must identify at least one class that matches your goods or services. Filing fees are per class. Choosing the right class is critical — a mistake can delay your application or limit your protection.