SpecimenCheck · Pre-filing validator

USPTO rejects 30% of specimens.
Find out before you file.

Upload your specimen. Claude Vision evaluates it against six USPTO criteria — including the digital-mockup detection USPTO has flagged since 2021. Verdict in 30 seconds.

Try one free

One free check per account · 30-day money-back if no credits used

30%

Specimen rejection rate

1 in 3

Rejected = mockup

Sonnet 4.6

Vision model

<30s

End-to-end time

The headline value

The digital mockup detector that USPTO wishes existed.

Since 2021 USPTO has been refusing digitally-edited specimens en masse. Lighting mismatch. Perspective inconsistency. Pixel-perfect logo overlays on stock photos. We catch them before the office does — six factors run by Claude Vision.

Mark visible & legible
Mark matches application
Shows actual use
Goods/services aligned
Digital mockup risk
Decorative use concern

How it works

Upload, evaluate, fix.

Upload your evidence

JPG, PNG, WebP, PDF. Up to 10 MB. Mark text + filed classes + specimen type. Optional pre-fill from a ClassPicker draft.

Six-criteria analysis

Claude Sonnet 4.6 walks through each USPTO acceptance criterion grounded in TMEP §904 and the 2021 Examination Guide. Forced JSON output, no free-form.

PASS / WARN / FAIL

Verdict + per-criterion result. For every issue, an actionable fix you can apply. Failed specimens auto-refund the credit.

Pricing

Pay only for what you check.

Free

$0forever

1 check per account, lifetime
Full report (no upsell wall)
Try before you buy

Try one free →

See your specimen the way the USPTO examiner will.

No card. One free check per account. Drag a JPG or PNG, get a full report in under a minute.

Run my free check →

USPTO rejects 30% of specimens.Find out before you file.