Trademarking a name in California involves several costs, including federal and state fees. Federally, the United States Patent and Trademark Office (USPTO) charges between $250 to $350 per class of goods or services for online applications. State-level how much does it cost to trademark a name in california registration through the California Secretary of State's office is less expensive, typically costing $70 per class. Additionally, businesses should consider legal fees if they hire a trademark attorney to assist with the application process, which can range from a few hundred to several thousand dollars, depending on the complexity of the case. Overall, while state registration is cheaper, federal registration provides broader protection, and potential applicants should weigh the costs against the benefits to determine the best course of action for their needs.