A business name is available in your state when it’s “distinguishable on the record” from every entity name already registered, reserved, or authorized in that state’s database. That’s an administrative test run by the Secretary of State’s office, not a marketplace one. Clearing it means the filing office will accept your paperwork. It does not mean you own the name, and it does not protect you from someone with earlier trademark rights.
Before you fall in love with a name, run two searches: your state’s business entity database and the federal trademark database. Both matter, and they answer different questions.
How to Search Your State’s Business Registry
Every state maintains a free online search tool for its business entity records. Use it before you file anything or pay any fee, because most filing offices don’t refund rejected applications.
An exact-match search is only a starting point. Try phonetic variations (a “K” where you’d expect a “C,” for instance), common misspellings, and partial-word searches to surface names that are close without being identical. If the database supports wildcards, use them on the root words of your name so you catch longer registrations that contain your core term.
Results typically carry a status label:
- Active means the name belongs to a currently registered entity and isn’t available.
- Reserved means another party has paid to hold the name for a set period, often 120 days, and you can’t register it until that reservation lapses or is released.
- Dissolved or Revoked means the entity is no longer in good standing, but the name isn’t necessarily free. Some states keep a protection window during which a dissolved entity can reinstate and reclaim its name. If you register a dissolved entity’s name during that window, the filing office may reject you; register after it closes, and a later reinstatement means the original entity has to pick a new name. Check your state’s specific rule before assuming a dissolved name is up for grabs.
What the State Ignores When Comparing Names
Filing offices strip out several categories of text before running the comparison. Formatting tricks won’t rescue a name whose substantive words already exist on the register.
Entity suffixes are treated as structural labels, not identifiers. “Blue Horizon LLC” and “Blue Horizon Inc.” are the same name to the database. Articles and conjunctions like “the,” “a,” “and,” and “or” are filtered out, so adding “The” to the front of an existing name or swapping “and” for an ampersand won’t create a distinct record. Punctuation and spacing are ignored, meaning “Bright Star,” “Bright-Star,” and “BrightStar” all collapse to one entry. Capitalization is also ignored; “SUMMIT” and “Summit” are identical to the system.
For your name to be distinguishable, the core words themselves have to differ.
Restricted and Prohibited Words
Some names get rejected even when nothing similar exists in the database, because certain words carry additional restrictions.
Words suggesting professional expertise, such as “Engineer,” “Doctor,” “Architect,” or “CPA,” usually require proof of licensure from the relevant board before the filing office will approve the name. Financial-services terms like “Bank,” “Trust,” and “Insurance” typically need clearance from the state’s banking or insurance regulator before they can appear in an entity name.
Federal law makes it a crime for businesses in banking, insurance, lending, and similar financial industries to use words like “National,” “Federal,” “United States,” “Reserve,” or “Deposit Insurance” without authorization, along with names tied to specific agencies.1Office of the Law Revision Counsel. 18 U.S.C. 709 – False Advertising or Misuse of Names to Indicate Federal Agency Most state filing offices also reject names that imply a government connection more broadly, including terms like “Treasury,” “FBI,” or “Department of.”
“Olympic,” “Olympiad,” “Paralympic,” and “Pan-American” are reserved by federal statute for the United States Olympic and Paralympic Committee, and using them in a business name used in trade can create civil liability.2Office of the Law Revision Counsel. 36 U.S.C. 220506 – Exclusive Right to Name, Seals, Emblems, and Badges
Also Search the Federal Trademark Database
State entity registration and trademark rights are separate legal systems. Your Secretary of State’s approval protects your name inside that state’s filing system. It does not create trademark rights, and it does not shield you from someone with existing rights in the name.
The National Association of Secretaries of State puts it directly: “Registration of a business name does not establish trademark rights. The mere fact that a party has obtained a business name registration does not mean that the same name is available as a trademark and that it does not infringe another’s trademark rights.”3National Association of Secretaries of State. Business Names and Trademarks
The U.S. Small Business Administration draws the same distinction: entity name registration operates at the state level, while trademark registration provides nationwide protection against use of your name in the same or similar industry.4U.S. Small Business Administration. Choose Your Business Name Before you commit, run your proposed name through the U.S. Patent and Trademark Office’s trademark database.5United States Patent and Trademark Office. Search Our Trademark Database A federal trademark on a related product or service can force a rebrand no matter what your Secretary of State said.
If the Name You Want Is Already Taken
A conflict at the state level isn’t always the end of the road. Most state statutes include a consent procedure: the entity that holds the existing name can agree in writing to your use of an otherwise indistinguishable name. In practice, that consenting entity usually has to agree to change its own name to something distinguishable, so both records stay clean.
The other path is a court order. If a judgment has established your right to the name, a certified copy submitted to the filing office can override the standard distinguishability check. This route is rare and expensive, but it exists for cases where litigation has already resolved who gets to use the name.
Locking In an Available Name
Once you’ve confirmed a name is available, you can either reserve it or use it to form the entity immediately.
Name Reservation
A reservation holds the name for a limited window (often 120 days) while you get the rest of your formation paperwork together. Fees are modest, generally between $10 and $50. Online reservations usually process within a few business days; paper filings take longer. A reservation doesn’t create the entity or give you authority to do business under the name; it only stops anyone else from registering it during the hold period.
Entity Formation
Filing your formation documents (Articles of Organization for an LLC or Articles of Incorporation for a corporation) both creates the entity and locks in the name. Filing fees for an LLC range roughly from $35 to $500 depending on the state, and some states add mandatory publication or initial report fees on top. Online filings process faster than paper in nearly every state, and many offices offer expedited service for a surcharge.
Read every character of your proposed name on the submission form before you file. A typo becomes your legal name, and fixing it means filing an amendment with a separate fee.
Operating Under a Different Name (DBA)
Your registered entity name doesn’t have to be the name on your storefront or your invoices. If you want to operate under a different name, you’ll file a “doing business as” registration, also called a fictitious name or assumed name depending on the state. Some states handle DBA filings at the Secretary of State level, others push them to county offices, and a few have no state-level DBA requirement at all.
A DBA generally doesn’t give you the same name exclusivity as an entity registration. It creates a public link between the trade name and the legal entity behind it, which matters for banking, contracts, and taxes, but it typically won’t block someone else from filing a similar DBA. And like entity registration, a DBA filing doesn’t create trademark rights.4U.S. Small Business Administration. Choose Your Business Name
If your goal is nationwide protection for a brand you plan to build on, entity registration and a DBA are the floor, not the ceiling. Federal trademark registration is the tool that stops competitors in your industry from using your name across state lines.