US trademark classes control how the USPTO categorizes the goods and services in your trademark application. They also affect your filing strategy, your government fees, and the scope of your protection.
A founder might think the class system works like a simple category picker. It does not. The class needs to match what you actually sell or plan to sell. If you pick too narrowly, you may leave business lines uncovered. If you pick too broadly, you may pay more than needed or trigger issues during examination.
This guide explains how US trademark classes work and how to think about them before you file.
What Are Trademark Classes (The Nice Classification)?
US trademark classes come from the international Nice Classification system. The USPTO uses this system to organize goods and services in trademark applications, assess fees, and help users search the trademark database. Each good or service falls into one of 45 international classes.
The key point for business owners is simple: your trademark application does not protect a name in the abstract. It protects the mark in connection with specific goods or services. A software company, a clothing brand, and a consulting firm may all use the same word in very different commercial lanes, depending on consumer confusion and the goods or services involved.
That is why class selection matters. The USPTO wants a clear identification of what you offer. It is not enough to say “technology” or “merchandise.” You need specific wording that fits the USPTO’s classification rules and accurately describes your real business.
A trademark attorney can help translate the business model into a filing strategy. That strategy should cover current revenue, near term expansion, and the classes worth paying for.
Why the USPTO Categorizes Goods and Services
The USPTO categorizes goods and services to bring order to trademark examination. Classes help examiners compare applications against existing registrations and pending applications. They also help the USPTO calculate filing fees, since trademark fees apply by class.
Classes do not decide infringement by themselves. Two marks in different classes can still conflict if the goods or services are related and consumers may believe they come from the same source. Two marks in the same class may still coexist if the marks and marketplace facts avoid likely confusion.
For a startup, this means you should not pick a class because it looks close enough. You should pick the class that reflects your actual commercial use and supports a defensible filing.
The Breakdown: 34 Goods vs. 11 Service Classes
The Nice Classification system divides trademark classes into two groups. Classes 1 through 34 cover goods. Classes 35 through 45 cover services. The USPTO follows this framework for federal trademark applications.
Goods are products customers buy, download, wear, use, consume, or install. Services are activities you perform for others, such as consulting, education, software as a service, retail store services, entertainment, legal services, or medical services.
This distinction sounds basic, but it drives many filing errors. A company selling downloadable software may need one class. A company offering online non-downloadable software may need another. A company selling branded shirts may need a goods class. A company running an online retail store may need a service class.
Here is the practical lens. The USPTO does not classify your company. It classifies what you offer under the mark.
Understanding the Difference Between Products and Services
A product puts something into the customer’s hands, device, closet, or warehouse. A service performs work for the customer.
A skincare company selling bottles of moisturizer files for goods. A spa offering skincare treatments files for services. A software company selling downloadable mobile apps may look at Class 9. A SaaS company offering non-downloadable software may look at Class 42. An online course creator may look at Class 41 for education services.
These distinctions affect cost and protection. A business that sells both products and services may need more than one class. That does not mean every possible class belongs in the filing. It means the application should match how the business makes money now and how it plans to expand in a credible way.
How to Choose the Right Trademark Class for Your Brand
The right trademark class follows the real business, not the pitch deck. Start with what you actually sell or what you have a bona fide plan to sell. Then match that offer to the USPTO’s accepted identification language and class system. The USPTO’s Trademark ID Manual is the main search tool for finding acceptable identifications of goods and services, and it helps applicants narrow the filing to language the Office already understands.
The best way to use the class system is to work backward from the offer. What is the product or service? How does the customer receive it? Is it a physical good, downloadable software, non-downloadable software, consulting, education, or something else? The USPTO’s classification guidance shows why this matters. Some software sits in Class 9 when it is recorded software, while downloadable software and online software services can fall in Class 42.
A lot of founders make the same mistake. They pick a class because it sounds close enough, then hope the description will carry them. It will not. The USPTO wants specific identifications, and the ID Manual exists to help you find them. The Manual is a web-based application that lets users search acceptable identifications and related information, and the search page explains that users can search by term, class, or advanced filters.
Using the USPTO Trademark ID Manual
Use the ID Manual first, not last. Search the actual good or service, then read the results carefully. The Manual shows the class assigned to each entry, and it exists to help applicants find acceptable identifications of goods and services.
That matters because many terms can map to more than one class depending on purpose or format. The USPTO’s guidance on computer services shows the point clearly. Recorded software in hard form sits in Class 9, while downloadable software is treated as a service in Class 42. The description has to be specific enough for the class to make sense.
A clean filing starts with exact wording. If the ID Manual already contains an entry that fits, use that language. If the business model does not fit a simple entry, refine the description until it matches the actual offer. A vague label creates friction during examination.
Identifying “Coordinated Classes” for Broader Protection
Coordinated classes help with search strategy and risk spotting. Coordinated classes are groups of related classes that can help you search for marks covering related goods or services. The Office gives the example of Class 25 clothing and related classes such as jewelry, leather goods, and retail store services because consumers may expect a single business to offer those related products or services.
Treat coordinated classes as a planning tool, not a shortcut. They do not replace the class you actually need. They help you think about adjacent lines of business and related rights that may matter for clearance and enforcement.
For a startup, this is where strategy enters. If your current offer lives in one class, ask what the customer would reasonably expect you to sell next. If the answer points to a related class, you may need to think beyond the launch item. That is how a software company ends up thinking about both a product class and a service class, depending on how the software is delivered.
The Financial Impact: How Classes Affect USPTO Filing Fees
Every class adds cost. The USPTO’s 2025 fee structure charges a filing fee per class, and electronically filed base applications that meet the base requirements are subject to a $350 filing fee per class. If an application does not meet the base requirements, additional per-class fees can apply.
That means class selection affects both strategy and budget. One class may be enough for a narrow launch. Two or three classes can make sense for a broader brand. But every added class increases the filing cost, and every class should earn its place in the application.
For a business owner, the rule is simple. Pay for the classes that matter now and the classes you can defend with a real commercial plan. Do not add classes because they sound protective. Add them because the goods or services are real, planned, and tied to the brand. The USPTO’s classification system groups goods into Classes 1 through 34 and services into Classes 35 through 45, so each added class creates a separate filing line item.
Can I Register My Trademark in Multiple Classes?
Yes. A single trademark application can cover more than one class when your brand legitimately sells goods or services in different categories. The USPTO charges the base filing fee per class, so the cost rises as the filing expands. For example, the USPTO states the base application fee is $350 per class, which means two classes cost $700 at the base level.
That matters for growth. A brand can start in one class and later expand into another class if the business model supports it. A software company may begin with a software class and later add a services class if it moves into SaaS, consulting, or training. The filing should follow the business reality, not a hope list.
Strategic Expansion and “Intent-to-Use” Filings
If you are not using the mark yet, the USPTO lets you file on an intent-to-use basis. The intent-to-use filings require additional documents and fees before registration can issue.
That can help a startup lock in a brand before launch. It also lets the company map expansion across multiple classes before products or services go live. The tradeoff is cost and timing. Every added class raises the filing cost, and every intent-to-use filing adds another procedural step before registration.
Common Mistakes When Selecting USPTO Classes
The biggest mistake is picking a class because it sounds close enough. Another mistake is filing too broadly and paying for classes the business does not actually need. A third mistake is using vague custom wording when the ID Manual already provides acceptable identification language. The USPTO charges an extra fee for using free-form text instead of the Trademark ID Manual in an electronic application, and it also charges additional per-class fees for insufficient information or long custom identifications.
Founders also mix up goods and services. A business can sell software in one class and offer software services in another. A retail brand can sell products in one class and retail store services in another. The class follows the commercial offer, not the logo.
Another mistake is missing coordinated classes. A business may protect one class and ignore a related class that reflects how the market sees the brand. That gap can leave room for a competitor to move into a related line while the owner assumes the filing already covers it.
Next Steps: Strategizing Your Intellectual Property Portfolio
Start with the business model. Identify what you sell today and what you can honestly say you plan to sell next. Then search the USPTO Trademark ID Manual for the exact wording that matches those goods or services. The ID Manual exists to help users find acceptable identifications of goods and services.
If you are building a brand, do not treat class selection like a clerical step. Treat it like portfolio strategy. The right class or classes support filing cost control, market coverage, and future enforcement. The wrong class can waste money or leave the business exposed.
Talk with a Trademark Attorney before you file if the business spans products and services, if the brand may expand, or if you need help deciding how many classes belong in the application.
The post US Trademark Classes: How to Choose the Right Class and Avoid Filing Mistakes first appeared on Traverse Legal.