Can someone use your business name if not trademarked?
Asked by: Braden O'Reilly | Last update: April 14, 2026Score: 4.9/5 (20 votes)
Yes, someone can use your business name if it's not trademarked, potentially even securing rights to it, but your protection depends on common law rights (based on actual use) and geographic area, though a federal trademark offers nationwide protection and stronger legal standing, preventing others from using confusingly similar names in your industry. Registering your LLC or domain doesn't protect the name like a trademark does, and another party could claim prior use or even register the mark themselves, complicating your ability to expand or stop them.
Can someone else use my business name?
Yes, someone can use your business name if it's not trademarked—especially if they register it before you do. That's why it's critical to secure your brand as early as possible. Don't leave your business name vulnerable.
Can you use a name that is not trademarked?
Common Law Trademark Rights
If a business or individual uses a name for their goods or services, they can establish what are called common law rights. These rights are automatic from the moment the name is used publicly in commerce and can provide some limited protection, even without a registered trademark.
How do I protect my business name without a trademark?
An entity name can protect the name of your business at a state level. Depending on your business structure and location, the state may require you to register a legal entity name. Your entity name is how the state identifies your business.
Can you sue for someone using your business name?
A trade name identifies the business entity itself, while a trademark protects the brand or product name used in commerce. Can I sue someone for using a similar business name? Yes, if the name causes consumer confusion or harms your business, you may have grounds for legal action based on trade name infringement.
Trademark or LLC... Which Comes First?
What do I do if someone is using my LLC name?
What You Can Do
- Document the Use – Take screenshots, save dates, gather URLs, and preserve all evidence of the other party's use.
- Consult an Attorney – A trademark lawyer can assess the infringement and your rights, and advise you on strategy.
- Send a Cease-and-Desist Letter – Often the first step.
How serious is trademark infringement?
If you are charged and convicted with criminal infringement of someone else's intellectual property through trademark or copyright infringement, you could face as much as ten years in prison, depending on the circumstances and the specific violation, and fines of up to $2 million.
How do you stop someone from using your business name?
Cease and Desist Letter – Often, the first formal step in disputing a trademark infringement is to send a cease and desist letter. This letter should inform the infringer of your trademark rights and demand that they stop using the name immediately.
What happens if I don't trademark my business?
In conclusion, failing to trademark your name and logo can have detrimental effects on your business as a California-based entrepreneur or business owner. Not securing trademark protection puts you at risk of facing brand confusion, legal disputes, and limitations on expansion and franchising.
How much will it cost to trademark my business name?
Trademarking a business name typically costs $250 to $850+ for USPTO filing fees, depending on the application type (TEAS Plus vs. Standard) and number of goods/services classes, plus potential $500-$2,000+ for an attorney, with ongoing maintenance fees required every 5-10 years. The main variable is the number of classes, with each additional class costing another ~$350.
Can someone steal my logo if it's not trademarked?
If your logo is registered with the USPTO (U.S. Patent and Trademark Office), you have a strong legal foundation to stop others from using it. But even without registration, you may still have common law rights if you've been using the logo consistently in commerce.
What is the rule 37 of trademarks?
Further, Rule 37 of Trade Marks Rules, 2017 states that an applicant for registration of a trademark may, whether before or after acceptance of his application but before the registration of the trademark, apply in Form TM-M accompanied by the prescribed fee for the correction of any error in or in connection with his ...
Is it better to trademark or LLC?
An LLC protects personal assets from business liabilities (legal structure), while a trademark protects brand identity like names, logos, and slogans from copycats (intellectual property); they serve different roles, with an LLC forming the business foundation and a trademark safeguarding its brand, often used together for comprehensive business protection. Forming the LLC first offers a legal entity, but registering the trademark first secures brand rights earlier, with many recommending an availability search before either.
How to check if someone is using your business name?
To check if your business name is taken, search your state's Secretary of State website for registered entities, use the USPTO's TESS database for federal trademarks, check for available domain names, and look for existing presence on social media and search engines, ensuring your name is unique enough to avoid legal issues.
How to deal with someone copying your business?
5 positive ways to deal with a copycat in business
- Tell someone. It's important to not dwell on this stuff alone. ...
- Block them. If it's really bothering you then see if you can cut them off - even just a little bit. ...
- Stick to the knitting. ...
- Some don'ts. ...
- Trust yourself.
What to do if someone uses your name without permission?
In most U.S. states, you can sue someone for using your name or likeness without your consent in an exploitative way. This commonly occurs when someone uses another person's name in an advertisement without their permission.
How to protect your business name without a trademark?
Register Your Domain Name
Registering your domain name is one of the most immediate steps you can take to protect your brand. This makes it easier for people to find you online while protecting your business from significant cyber threats. Registering your brand name as a domain protects you from cybersquatting.
Can you sue someone without a trademark?
Indeed, federal law allows for a trademark infringement claim even without registration (15 U.S.C. § 1125(a)). Generally speaking, your right to sue for an unregistered trademark will be restricted to your own geographic area and/or to bringing a false advertising claim.
How long does an unregistered trademark last?
A common law trademark is an unregistered trademark where protection of rights is established and maintained through use in commerce. These rights do not expire as long as the mark is being used continuously.
How do you report someone using your business name?
If you think someone is using your business name or Employer Identification Number (EIN) to submit fraudulent tax returns or Forms W-2, complete and send to us Form 14039-B, Business Identity Theft Affidavit PDF. This form is for use by businesses, trusts, estates and tax-exempt organizations.
Can I sue someone for using my business name?
A trademark prevents another company from using a similar business name to sell goods or services. It also gives you the right to present a trademark lawsuit in federal court. However, trademarking your business name can be a lengthy process, and there is no guarantee the USPTO will approve your request.
How do I protect my business name from being used?
A trademark will protect your logo and the brand name used on your products or services. To give your business name legal protection, apply for a federally registered trademark by meeting two conditions. Your business name: Has to be distinctive.
What to do if someone is using your trademark name?
A trademark owner who believes its mark is being infringed may file a civil action (i.e., lawsuit) in either state court or federal court for trademark infringement, depending on the circumstances. However, in most cases, trademark owners choose to sue for infringement in federal court.
What is the 3 month rule for copyright?
The "copyright 3 month rule" refers to a key deadline for U.S. copyright registration: you must register your work within three months of its first publication (or before infringement begins) to be eligible to claim statutory damages and attorney's fees in a copyright infringement lawsuit, which can be crucial for remedies beyond just an injunction. Failing to meet this deadline means you generally can only sue for actual damages (harder to prove) if infringement occurs, but registration is still vital for other benefits and to sue at all, notes Donahue Fitzgerald LLP and Cotman IP.
How much does it cost to sue someone for trademark infringement?
Key Takeaways. The Average cost of a trademark infringement lawsuit ranges from $120,000 to $750,000. Key expenses include attorney fees, court costs, and damages. Strategies can help manage and reduce litigation costs.