Law firms advise clients to protect their brands and then routinely fail to protect their own. The firm name goes on the door, the letterhead, the retainer agreements, and the sign outside — and in a great many cases it has never been searched, let alone registered.
Why firms skip it
Usually one of three reasons. The name is the partners’ surnames, and it does not occur to anyone that a surname is a brand. The firm registered with the state bar and the Secretary of State and assumed that settled the question. Or the firm does not practice trademark law and never thought about it in its own context.
None of these are good reasons, and the first two are actively wrong.
What your entity registration does not do
Registering "Smith & Rivera, PLLC" with the Secretary of State stops another entity forming under an identical name in that state. It does not give you rights to the name nationally, it does not stop someone registering it as a federal trademark, and it will not help you when a firm three states over starts marketing under a confusingly similar name to the same kind of client.
Bar registration is a licensing matter. It confers no brand rights at all.
The surname obstacle
This is the one that catches most firms, because the traditional naming convention in law is exactly the naming convention trademark law treats with suspicion.
The USPTO refuses marks that are primarily merely a surname. Many people share a surname, so nobody gets exclusive rights to one unless the public has come to associate it with that particular business — which requires evidence of acquired distinctiveness, generally built over years of substantial use.
Adding a generic term does not fix it. "Smith Law" and "Smith Legal Group" are still primarily a surname plus wording that adds nothing distinctive. What can work is a surname in a distinctive design, a coined or suggestive term alongside it, or a firm name that is not a surname at all.
Newer firms increasingly choose non-surname names for exactly this reason. If you are naming a firm now, it is worth knowing that a distinctive name is both easier to register and easier to remember.
The class is 45
Class 45 covers legal services, and for most firms it is the only class needed. Firms with a genuine second line of business may need more — Class 41 for CLE programs, courses, or a podcast, Class 35 for consulting that is not the practice of law, Class 9 for downloadable templates and guides.
If your firm sells legal templates or guides alongside its services, that is a separate offering under separate classes, and it is often the part of the business most exposed to copying.
What you are actually protecting against
Client confusion. A similarly named firm in your market, particularly one with a worse reputation, is a real problem. Clients searching for you find them.
Being forced to rebrand. If another firm registers first and objects, you may be the one changing the name — signage, website, letterhead, email addresses, every directory listing, every Google review attached to the old name, and every client who knows you by it. Firms have done this. It is expensive and it is avoidable.
Domain and directory squatting. A registration gives you leverage in domain disputes and with legal directories and ad platforms, which act on registrations far more readily than on assertions.
Enterprise value. If the firm is ever sold, merged, or brought into a succession plan, a registered name is an asset that can be identified and conveyed. An unregistered one is much harder to value.
The advertising rules still apply
One point specific to this profession: trademark registration does not override your state bar’s rules on firm names and advertising. Most states regulate what a firm may call itself — restrictions on trade names, on implying a partnership that does not exist, on names that are false or misleading, and on retaining a deceased or departed partner’s name. Check your jurisdiction’s rules before you settle on a name, because a federal registration will not cure a name your bar will not permit.
The credibility argument
If your firm advises businesses on intellectual property, an unprotected firm name is a fair question for a client to ask about. It is also a genuinely useful exercise to go through the process yourself — searching your own name, choosing your classes, assembling a specimen — before advising someone else on theirs.
Start with a search
Legal services is a crowded register, and the combination of common surnames and common words like "Law," "Legal," and "Group" produces a great many near-collisions. Our walkthrough of searching the USPTO database covers the method, and there is a free search worksheet in the resource library.
If you would rather have it handled, our flat-fee trademark registration includes the clearance search, the application, and the correspondence with the examiner.
This article is general information, not legal advice, and reading it does not create an attorney-client relationship. Rules differ by state and change over time. Please speak with a licensed attorney about your own situation.