CharacterGuard
Guide · Specimen guide

How to prove use of your AI character’s name: the specimen

To register a name, the USPTO wants to see it in use. That proof is called a specimen. For an AI character that runs a channel, the specimen is usually a capture of the channel itself, and the details of that capture matter more than most creators expect.

Run the free check →Free. It can tell you “do not file.”

This is a plain-English overview of the USPTO’s published guidance, not legal advice. An attorney chooses the specimen that goes in an application.

What a specimen is

A specimen is a real-world example of your mark in use with the goods or services you list. It’s different from the drawing, which is just the mark itself. For services, the USPTO says the mark has to appear in advertising or providing the services, so customers directly connect the name with the service. See the USPTO’s drawings and specimens page.

For a character channel: the profile, not a clip

A character that entertains an audience usually files for entertainment services in Class 41. The service is offered on the channel, so the natural specimen is the channel page: the display name, profile image and header, next to the videos you provide.

A single frame inside a video generally isn’t the kind of proof the USPTO looks for. It shows the character, but not the name being used to offer a service. That’s why our free check looks for the name and mark on the profile, and why the Lock kit uses the channel header as the specimen.

The URL and date rule

The USPTO accepts a website screenshot when the mark appears on the site advertising or providing the services, and says that if you use one, you must include the URL and the date you accessed the site. Capture the whole browser window so both are visible, or note them right next to the image.

What makes a capture strong

  • The name is visible as a name. Display name or header text, spelled exactly as in the application.
  • The service is visible. Uploads or streams on the same page, so it’s clear the name offers entertainment.
  • It’s your live, public page. Not a mockup, not a draft, not a private preview. A specimen has to show real use.
  • URL and access date. In the capture or recorded right beside it.
  • One consistent name. If the handle, display name and header disagree, fix that first. See how to protect your AI character’s name.

Before the channel is live

No live channel means there’s nothing to capture yet. You can file an intent-to-use application, but you’ll still file a specimen later, with an extra filing and a $150-per-class fee (see what a trademark costs). Our check says Intent to use in that case, not File now.

Keep a first-use record

Separate from the specimen, write down the date of your first public post under the name, and keep a dated capture of your profile once a month. An application asks for first-use dates, and a record you kept at the time beats one you reconstruct later.

Where CharacterGuard fits

  1. Run the free check. It reads your public channel and tells you whether the name and mark are on the profile.
  2. If it’s ready, CharacterGuard’s Lock kit ($249 once) gets the name, mark, and channel record ready for an attorney. It isn’t a filing, and we don’t file. The USPTO fee ($350 per class) and any attorney’s fee are separate. CharacterGuard isn’t a law firm.
  3. Then, PromptPatrol ($39/month) watches new USPTO filings each week for your character’s name, names that contain it, and close spellings. With face watch on, it also compares your character’s face with YouTube channel images and TikTok profiles at exact and close-spelling handles. A lookalike isn’t proof of copying, and you file any reports yourself.

Sources

Questions

What is a trademark specimen for a YouTube or TikTok channel?
Usually a capture of the channel page showing the name with the entertainment it offers: display name, profile image or header, and the videos. The USPTO requires the URL and the date you accessed the page when you use a website screenshot.
Can I use a frame from one of my videos as the specimen?
Generally that isn’t the kind of proof the USPTO looks for, because it shows the character but not the name being used to offer a service. The channel profile is the usual choice.
What if my channel isn’t live yet?
Then there’s nothing to capture. You can file intent to use, but you’ll file a specimen later with a statement of use, at $150 per class.
Does CharacterGuard file my specimen?
No. The Lock kit prepares the channel header capture and record for an attorney. We don’t file and aren’t a law firm.

Find out where your character’s name stands.

Name and channel link. Five rows, read live from public records. The face image, if you add one, never leaves your browser during the check.

Run the free check →

CharacterGuard is not a law firm and does not file trademarks. Nothing here is legal advice, and no outcome is guaranteed. Updated October 12, 2026.