Last updated: 10 August 2026
Why a state name check is not enough
Clearing your name with New York tells you one thing: no other New York entity has registered it. It tells you nothing about trademarks — and a federal trademark outranks a state entity filing everywhere in the country.
This is the sequence that ruins brands. Somebody forms an LLC, the name clears, they buy the domain, print the signage, wrap the trucks — and eighteen months later a letter arrives from a company that has held the federal mark since 2014. The state filing is no defence.
The three layers of a business name
- ✓ Entity name. Your legal name on the New York register. Stops another New York entity registering the same name. That is all it does.
- ✓ Assumed name (DBA). Permission to trade under a different name. Also purely administrative — it creates no ownership.
- ✓ Trademark. Actual rights in the name as a brand, for particular goods and services. This is the layer that lets you stop somebody else, and the layer that lets somebody else stop you.
What to look for in the results
- ✓ Live versus dead. A dead or abandoned mark is not an obstacle. Only live registrations and pending applications matter.
- ✓ The goods and services. Trademarks are granted for categories. The same word can be owned by different companies in unrelated fields — but not in yours.
- ✓ Similar, not identical. The legal test is likelihood of confusion, not exact matching. A name that merely sounds like an existing mark in the same field is a genuine risk.
Common-law rights exist too
A clean federal search is reassuring but it is not a clearance. In the United States, rights can arise simply from using a name in commerce, without ever registering it. A business that has traded under a name in your area for years may hold enforceable rights that appear on no register at all.
For anything you intend to build a real brand on — signage, vehicles, packaging, a franchise — a search like this is the first step, not the last one. A trademark attorney does a full clearance for a reason.
Do the two checks together
Before you form a company in New York, run the name twice: once against the New York entity register to make sure the filing will be accepted, and once here against the federal trademark register to make sure the brand is worth building. Ten minutes, both free, and between them they catch the great majority of naming disasters.