Knockout Search — The 50-State Entity Layer, Before You Order Full Clearance
A knockout search screens out a bad name before you spend on full trademark clearance. NAMECHECK50 covers the state entity registry layer — all 50 states, 90 seconds, $7.50.
Run a knockout search →$7.50 per name · No subscription · Credits never expire
What a Knockout Search Is For
Before ordering a full trademark clearance search or opinion — the kind that covers federal registrations, common-law use, international registers, and design marks, typically at $300–$2,000+ per mark — practitioners run a cheap, fast screen first. The question a knockout search answers isn’t “is this name completely clear,” it’s the narrower “is there an obvious reason not to spend money finding out.” A name with a glaring conflict gets eliminated here, before the client pays for a full search that was never going to come back clean.
A knockout pass is deliberately incomplete by design. It trades comprehensiveness for speed and cost, on the understanding that most candidate names either clear obviously or fail obviously — the expensive, thorough search is reserved for names that survive this first filter.
The State Entity Registry Layer
A standard knockout search covers a direct USPTO TESS search on the proposed name and its closest variants. What most knockout workflows skip — because checking it manually across 50 states takes real time — is whether the name is already in active use as a registered business entity somewhere in the country. That’s a meaningful signal on its own: an entity actively registered under the same or a confusingly similar name in several states is more likely to have accumulated common-law rights, more likely to generate an opposition if you file, and more likely to create real market confusion — independent of what the USPTO database shows.
NAMECHECK50 covers exactly this layer. One search queries all 50 official state business registries simultaneously and returns a state-by-state report: which states show an entity registered under a matching or similar name, the entity type and status, and a direct link to the official source record. Results in 60–90 seconds, live from each state’s registry at the moment of the search — not a cached snapshot.
What This Search Does Not Cover
To be direct about scope: NAMECHECK50 is not a trademark search. It does not query the USPTO database, does not search common-law or unregistered use, does not check international registers, and does not analyze design or logo marks. Those layers belong to the trademark-specific portion of a knockout search (the TESS pass) and to full clearance if the name survives the knockout stage. See our guide on trademark clearance search for the complete methodology, including how to run the TESS layer yourself and when to bring in a trademark attorney for interpretation.
Why the 50-State Layer, Not Just Your Filing State
A single-state check only tells you about one jurisdiction. A name can be unregistered in your client’s home state and still be an active, well-established business in a dozen others — a pattern that manual single-state checking misses entirely, and that a knockout search should be designed to catch. Running all 50 states in one pass, rather than spot-checking a handful, is what makes the knockout stage an actual screen rather than a false sense of clearance.
Cost of Skipping the Knockout Stage
| Step | Typical cost | Turnaround |
|---|---|---|
| NAMECHECK50 knockout screen | $7.50 / name | 60–90 seconds |
| USPTO TESS search (self-run) | Free | 15–30 minutes |
| Full trademark clearance search/opinion | $300–$2,000+ / mark | Days to weeks |
Screening three or four candidate names at the knockout stage before ordering full clearance on the survivor costs $22.50–$30 in state-registry checks. Ordering full clearance on a name that fails the knockout stage anyway wastes the entire clearance budget on a name that was never viable.
Who Runs Knockout Searches
Screening client-proposed names before deciding whether to order full clearance, or before drafting a preliminary opinion.
Learn more →Running a fast first pass on internal naming candidates before escalating to outside counsel for full clearance.
Learn more →Run the state entity layer of your knockout search
All 50 states. 90 seconds. $7.50 per name.
Start your search →Frequently asked questions
What is a knockout search?
A knockout search is a fast, low-cost screening pass run before committing to a full trademark clearance search or opinion. Its job is narrow: catch an obviously conflicting name early, before spending real money on comprehensive clearance. It typically covers a direct USPTO TESS search on the proposed mark and its closest variants, plus a check of existing business registrations under the same or similar name. If the knockout pass comes back clean, that is the signal to order full clearance. If it does not, you have saved the cost of a full search on a name that was never going to survive it.
Is NAMECHECK50 a full trademark clearance search?
No, and we want to be direct about that. NAMECHECK50 covers the state entity registry layer of a knockout search — a live check of all 50 state business registries for existing entity registrations under the proposed name. It does not search the USPTO federal trademark database, common-law use, international registers, or design marks. A full clearance search or opinion — the kind ordered from a trademark search provider or prepared by counsel — covers all of those layers and typically runs $300–$2,000+ per mark. NAMECHECK50 is the fast, cheap first screen before that spend, not a replacement for it.
Why check state entity registries as part of a knockout search? Isn't that just an entity availability check, not a trademark question?
Technically, yes — state registry availability and trademark rights are separate legal frameworks. Practically, an existing active entity registered under the same or a confusingly similar name across several states is a real early warning sign, and it costs nothing to check before spending on the trademark-specific layers. A name that's already in active commercial use as a registered business in a dozen states is more likely to have accumulated common-law trademark rights somewhere, more likely to generate an opposition, and more likely to create the kind of market confusion a full clearance search is trying to catch. It's a cheap, fast proxy signal — not a substitute for the trademark-specific search, but a reasonable first filter.
How fast is a 50-state knockout screen with NAMECHECK50?
Results in 60–90 seconds. NAMECHECK50 queries all 50 official state business registries simultaneously — not sequentially — so the total time is close to the slowest single state's response time, not the sum of all 50. Compare that to 30–60 minutes checking a handful of states manually, or the multi-day turnaround on a paid clearance service before the first result comes back.
What should I do after the knockout search comes back?
If the name comes back clean or with only minor, easily-distinguished conflicts, move to the USPTO TESS search — see our guide on trademark clearance search for the full sequence. If the knockout pass surfaces a genuine conflict — the same or a very similar name already active in several states, especially in a related industry — that's the moment to reconsider the name before spending anything further, trademark search included.
Can I run a knockout search on several name candidates in one session?
Each NAMECHECK50 search covers one name across all 50 states for $7.50. Attorneys screening multiple candidate names for a client typically run each one separately — checking three or four candidates before narrowing to one costs $22.50–$30, still far below the cost of ordering full clearance on a name that gets eliminated at the knockout stage.