Phonetic trademark search: find the marks that sound like your name
Two brand names can be spelled completely differently and still collide, because the U.S. Patent and Trademark Office weighs how marks sound, not just how they're typed. Kwik and Quick, Zapos and Zappos, Lyte and Light read as different strings but land on the ear the same way. A plain text search misses every one of them.
This is a phonetic trademark search: type your brand name and it matches it by sound against the live USPTO register (4.6M live marks), then scores the conflict risk 0–100 and shows you the specific marks it found. It's the check a chatbot fundamentally can't run: ChatGPT has no access to the live register and invents marks that don't exist. This runs real sound-alike matching over the actual data and shows its evidence. It's a preliminary screening signal, not legal advice.
How sound-alike matching actually works
Under the hood the search reduces every name to how it's pronounced using the Metaphone/NYSIIS family of phonetic algorithms, then measures how close two pronunciations are. That's why it surfaces Featherlight when you search Fetherlyte, or Sightline for Citeline. Those are matches an exact-match box on any incumbent's free tier will never return. Spelling tricks (dropped vowels, ph for f, -z for -s, numbers for letters) don't fool it, because it's listening past the spelling.
Why the USPTO cares about sound
"Likelihood of confusion" (the standard an examiner and any opposing brand applies) explicitly counts similarity in sound as one of its factors. A name that sounds like an established mark in a related category is exactly the kind that draws a refusal or a cease-and-desist letter, even with original spelling. Finding those sound-alikes early, before you print packaging or file, is the entire point of screening by sound instead of by spelling.
Frequently asked questions
Is this the same as a Soundex search?
It's the same idea, done better. Soundex is a crude 1918 algorithm; this uses the Metaphone/NYSIIS family, which handles modern brand spellings far more accurately.
Does a low score mean my name is fine to use?
No. It means fewer close sound-alikes surfaced in this dataset. It's a preliminary signal, not a verdict, and it doesn't cover common-law, state, foreign, or design marks. Treat a serious name to a professional clearance search.
Screen your name now
Check it against millions of live U.S. trademarks by sound, spelling, and meaning. Free, no account.